Laser pointer discussion. Read/write reviews of laser pointers and laser pointer companies. Learn about all types of laser pointers and lasers





Welcome to Laser Pointer Forums! If you are looking for a laser pointer or want to compare different laser pointer companies, you may want to check out the LPF Laser Pointer Company Database. The link will open in a new window for your convenience.








Green Laser Pointers by Category Blue Laser Pointers by Category Red Laser Pointers by Category
Yellow Laser Pointers by Category Violet Laser Pointers by Category Orange Laser Pointers by Category
Top Laser Pointers by Power - 1 Watt+ Top Laser Pointers by Power - 500mW+ Top Laser Pointers by Power - 250mW+
Laser Pointer Database High Power Laser Pointers Laser Pointer Diodes
Laser Technology Laser Pointer Parts Lasers by Wavelength
Top 10 Laser Pointer Companies Laser Pointer Company Database Visible Beam Laser Pointers


One laser store meets all your needs

























Go Back   Laser Pointer Forums - Discuss Laser Pointers > Lasers > Optics



LPF List of Laser Pointer Companies (link opens new window)



Reply
 
LinkBack Thread Tools Display Modes
Old 11-14-2012, 05:22 PM #17
trussmonkey25's Avatar
Class 2M Laser
 
Join Date: Nov 2011
Location: florida
Posts: 842
Rep Power: 1826
trussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond repute
trussmonkey25 trussmonkey25 is offline
Class 2M Laser
trussmonkey25's Avatar
 
Join Date: Nov 2011
Location: florida
Posts: 842
Rep Power: 1826
trussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

I gave up on that too.. Ill have new one built in on my next blue laser.. for now I just tape a loop to the end of the spartan if i want to focus the beam and burn my signature into something
I'm having custom lasers built from another company..


__________________

pman pen 405nm 92mw
wo modules 750. mwt
small flashlight build by Pman 532nm 100mw
12 un metered pen lasers
pen laser 650 nm 110 mw
445nm 800mw laser pen shop small host
flashlight host 445 nm 1500 mw
2 MrTheJoker 3 watt variable focus

FullSpectrumLaser CNC
5 watt labby with foot control

Last edited by trussmonkey25; 11-14-2012 at 05:25 PM. Reason: just adding to it
trussmonkey25 is offline   Reply With Quote







LPF List of Laser Pointer Companies (link opens new window)







Old 11-15-2012, 11:37 AM #18
Moe Ron's Avatar
Class 2 Laser
 
Join Date: Feb 2012
Location: Somewhere in Virginia
Posts: 428
Rep Power: 93
Moe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond repute
Moe Ron Moe Ron is offline
Class 2 Laser
Moe Ron's Avatar
 
Join Date: Feb 2012
Location: Somewhere in Virginia
Posts: 428
Rep Power: 93
Moe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond reputeMoe Ron has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

Greetings,

Personally I do not believe Dragonlasers will ever "perfect" their expander. Have been seeing and hearing almost ready for release the past few years.
It would be nice if some optics guru would create a real focus adapter and not just a beam expander. One with enough size to allow for focus to a pinpoint at almost any distance. From a few inches to a few hundred feet !!

Now that would be an adapter I would almost kill to have.....

Moe
__________________
So you want to learn to build a laser, click here !
Laser FAQ's and posting etiquette, click here !

My lasers include,

4.5w Scorcher NUBM07E 465nm custom Ehgemus host, adjustable focus 10x expander ( LPM 4w+ )
2w The Scorcher M462 custom host 462nm adjustable focus w/3 element lens ( LPM 2033mw )
5w+ " The Super Scorcher " NUBM44 custom Mrcrouse host, adjustable focus w/O-like G2 lens, 10x beam expander ( LPM ?w )
4.2w " The Scorcher " NDB7A75 custom MX900 build, adjustable focus w/3 element lens ( LPM ?w )
3.4w " The Scorcher Jr. " 450nm custom MX900 build, adjustable focus w/G2 lens ( LPM 3453mw )
3.2w " The Copper Scorcher " 450nm custom MX900 build, adjustable focus w/G9 lens ( LPM 3229mw )
3w Lazeerer Big Boy 445nm custom with adjustable focus ( LPM 2.8w )
2.5w Sixtee9 C11 445nm custom w/G2 lens ( LPM 2744mw )
2.2w RHD SAIK 449nm custom w/G1 lens, ( LPM 2062mw )
2.1w Ehgemus Alien Laser w/adjustable focus G2 lens ( LPM 1977mw )
1.8w RHD The Beacon 445nm custom with adjustable focus G2 lens ( LPM 1974mw ) Sold !!
1w Dragon lasers Spartan 445nm ( LPM 1220mw )
1w Wicked Spyder III Arctic 445nm with extended lens kit ( LPM 750mw....sad )

120mw 405nm labby, adjustable focus ( LPM 110mw )
500mw Wicked Spyder III Krypton 532nm with extended lens kit ( LPM 220mw....pitiful !! )
300mw From Mars 532nm w/adjustable focus ( LPM 320mw ) Dead

700mw Custom C11 638nm w/adjustable focus 3 element lens ( LPM 738mw )

PM me to order your Scorcher or Scorcher Jr. today !

3.7w LaserBee USB LPM

Moe Ron is offline   Reply With Quote
Old 11-15-2012, 01:42 PM #19
trussmonkey25's Avatar
Class 2M Laser
 
Join Date: Nov 2011
Location: florida
Posts: 842
Rep Power: 1826
trussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond repute
trussmonkey25 trussmonkey25 is offline
Class 2M Laser
trussmonkey25's Avatar
 
Join Date: Nov 2011
Location: florida
Posts: 842
Rep Power: 1826
trussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond reputetrussmonkey25 has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

let me know when you find that one
__________________

pman pen 405nm 92mw
wo modules 750. mwt
small flashlight build by Pman 532nm 100mw
12 un metered pen lasers
pen laser 650 nm 110 mw
445nm 800mw laser pen shop small host
flashlight host 445 nm 1500 mw
2 MrTheJoker 3 watt variable focus

FullSpectrumLaser CNC
5 watt labby with foot control
trussmonkey25 is offline   Reply With Quote
Old 12-02-2012, 07:40 PM #20
Pman's Avatar
Class 3B Laser
 
Join Date: Nov 2012
Location: Rochester, NY
Posts: 4,373
Rep Power: 12127
Pman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond repute
Pman Pman is online now
Class 3B Laser
Pman's Avatar
 
Join Date: Nov 2012
Location: Rochester, NY
Posts: 4,373
Rep Power: 12127
Pman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

I'm in the same boat. Was there anything wrong with the original to begin with? Was the original 22mm threads or did DR change to that?
__________________
I'm not strange, I'm limited edition!

*Jayrob Star Trek Phaser*
# of Lasers - ***
# of DTR/510 laser adapters *
# of eGo/510 mods **
# of Batteries - ***
Wavelengths - 405, 445, 447, 450, 455, 462, 464, 470, 473, 473+, <515, 515, 520, 532, 589, 635, 638, 650, 660, 685, 808, 830, 980
Projector - PD2
O-Like mini red/green to yellow module
Beam Expanders - Dragon Lasers 2x & 5x with universal adapters
LPM's - Modified AW TEC, Custom 6.8W+ Ophir
Datalogger - ARG
Chargers - Ultrafire WF139, (2) Xtar WP2, Nitecore i2, UM20, (3) i4, (2) D4 , Opus BTC-3400 V2.2
Phlatlights - Jayrob PT-54 green 1000lm maglight, PT-54 red project box build, (3) PT-54 red, (2) PT-54 orange (3) PT-121 red, (2) PT-121 blue, (1) PT-121 green project work in progress 5000lm (1) PT-121 green

Links:

**"Pen Laser Thread"**
"Post your pics of unique builds no-one else has"
"Make your way overspec $5 pen focusable"
"Share your inexpensive builds thread"
"Pman special"
Pman is online now   Reply With Quote
Old 12-05-2012, 03:11 AM #21
Class 3R Laser
 
Join Date: Jun 2007
Posts: 1,620
Rep Power: 12344
steve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond repute
steve001 steve001 is offline
Class 3R Laser
 
Join Date: Jun 2007
Posts: 1,620
Rep Power: 12344
steve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond reputesteve001 has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

Quote:
Originally Posted by Moe Ron View Post
Greetings,

Personally I do not believe Dragonlasers will ever "perfect" their expander. Have been seeing and hearing almost ready for release the past few years.
It would be nice if some optics guru would create a real focus adapter and not just a beam expander. One with enough size to allow for focus to a pinpoint at almost any distance. From a few inches to a few hundred feet !!

Now that would be an adapter I would almost kill to have.....

Moe
I don't believe that's practical.
Play with this app
gausian beam rev 2.0.xls
steve001 is offline   Reply With Quote
Old 02-03-2014, 09:54 PM #22
starlight's Avatar
Class 2M Laser
 
Join Date: Mar 2009
Location: Brighton,MI
Posts: 928
Rep Power: 278
starlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond repute
starlight starlight is offline
Class 2M Laser
starlight's Avatar
 
Join Date: Mar 2009
Location: Brighton,MI
Posts: 928
Rep Power: 278
starlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

DragonLasers "NEW" beam expander.

Laser Beam Expander - New Generation
starlight is offline   Reply With Quote
Old 02-03-2014, 10:59 PM #23
Smeerworst's Avatar
Class 3R Laser
 
Join Date: Mar 2011
Posts: 1,633
Rep Power: 329
Smeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond repute
Smeerworst Smeerworst is offline
Class 3R Laser
Smeerworst's Avatar
 
Join Date: Mar 2011
Posts: 1,633
Rep Power: 329
Smeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond reputeSmeerworst has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

Quote:
Originally Posted by starlight View Post
DragonLasers "NEW" beam expander.

Laser Beam Expander - New Generation
Wonderfull and finally

Wish they would add more lasers do
__________________
Too much to list.
Lazeerer custom polished L6 porcupine build 3.8mm 405nm 1W
Dragonlaser Spartan 405nm 300mW Polished
SKYlasers HL405 405nm 550mW
2×WLasers Sonar Elite Pro 3×Sonar white
2×Dragonlaser Spartan 447nm 1.1W with Beam Expander
TrustFire Cree Z5 2W+ 445nm Custom build
Blord build Big Boy 3W 445nm
Wicked Lasers S3 Arctic 445nm 2W 1.25 etc
Ultrafire C3 host Osram 450nm 180mW single mode
Optotronics RPL-B 473nm peak@112mW viasho upgraded
3XWLasers S3 473nm portable 112mW LE 1×S2
473nm >300 Lab laser
1.4W 520nm - The Hulk - MS-SSW-II Custom Direct Green DTR
SKYlasers PL520 520nm 80mW
Laserglow Hercules-650 532nm 850mW 777mW avg
Optotronics 450 RPL-G 532nm >570mW peak
Wicked Lasers Krypton 1W 532nm avg 997mW pk 1268mW
Jetlasers PL-E Pro >800mW
Laserglow Rigel HV PRO-50 589nm 95.1mW
CNI PGL III C >80mW 589nm
LaserGlow Rigel 6 593.5nm 8mW
Wicked Lasers Spyder II RX (Limited Edition, >300mW) 600mW peak
RHD build SH-032 host 635nm 500mW
RHD build Red Bulldog 638nm 1W+
Dragonlaser Spartan 640nm 100mW
SKYlasers PL650 650nm 1W
RGB and RGY Scanner 1.5W
Flashlights: HID Polarion PH-40, LED Olight SR-90
Smeerworst is offline   Reply With Quote
Old 02-04-2014, 12:06 AM #24
crazyspaz's Avatar
Class 3B Laser
 
Join Date: Jul 2012
Location: IN, United States
Posts: 2,864
Rep Power: 1313
crazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond repute
crazyspaz crazyspaz is offline
Class 3B Laser
crazyspaz's Avatar
 
Join Date: Jul 2012
Location: IN, United States
Posts: 2,864
Rep Power: 1313
crazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond reputecrazyspaz has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

Cool. only 90$ too, not bad.
crazyspaz is offline   Reply With Quote
Old 02-04-2014, 10:54 AM #25
Pman's Avatar
Class 3B Laser
 
Join Date: Nov 2012
Location: Rochester, NY
Posts: 4,373
Rep Power: 12127
Pman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond repute
Pman Pman is online now
Class 3B Laser
Pman's Avatar
 
Join Date: Nov 2012
Location: Rochester, NY
Posts: 4,373
Rep Power: 12127
Pman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond reputePman has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

WOW, never thought I would see that show up.
Kind of confusing as it doesn't say if you need to buy both adapters (as in what does it come with). Shipping is expensive ($26 to N.Y.) for 8-15 days.
Just took a look at my Spartan and I never realized that the threads for the cap were the same as a standard lens.
__________________
I'm not strange, I'm limited edition!

*Jayrob Star Trek Phaser*
# of Lasers - ***
# of DTR/510 laser adapters *
# of eGo/510 mods **
# of Batteries - ***
Wavelengths - 405, 445, 447, 450, 455, 462, 464, 470, 473, 473+, <515, 515, 520, 532, 589, 635, 638, 650, 660, 685, 808, 830, 980
Projector - PD2
O-Like mini red/green to yellow module
Beam Expanders - Dragon Lasers 2x & 5x with universal adapters
LPM's - Modified AW TEC, Custom 6.8W+ Ophir
Datalogger - ARG
Chargers - Ultrafire WF139, (2) Xtar WP2, Nitecore i2, UM20, (3) i4, (2) D4 , Opus BTC-3400 V2.2
Phlatlights - Jayrob PT-54 green 1000lm maglight, PT-54 red project box build, (3) PT-54 red, (2) PT-54 orange (3) PT-121 red, (2) PT-121 blue, (1) PT-121 green project work in progress 5000lm (1) PT-121 green

Links:

**"Pen Laser Thread"**
"Post your pics of unique builds no-one else has"
"Make your way overspec $5 pen focusable"
"Share your inexpensive builds thread"
"Pman special"
Pman is online now   Reply With Quote
Old 02-04-2014, 01:41 PM #26
Tmack's Avatar
Class 3R Laser
 
Join Date: Oct 2013
Location: Baltimore MD
Posts: 2,478
Rep Power: 484
Tmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond repute
Tmack Tmack is offline
Class 3R Laser
Tmack's Avatar
 
Join Date: Oct 2013
Location: Baltimore MD
Posts: 2,478
Rep Power: 484
Tmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

I sold my spartan thinking this day would never come...... Dammit!
__________________

NOIR Lasershields OD7 DBY Filter Operator
405nmMarble Zaser 1060mw *
405nmFocus pen 80mw Pman
445nm Cypress 2750mw*
445nm MS-Envy 2645mw*
445nmMarble Zaser 2940mw*
445nmMag Light Mr crouse Heatsink 2790mw Jayrob & Speedy78*
445nmWicked Laser EVO E2 Custom M140 G2 1580mw*
520nm Sipik 125mw*
532nmHL532 505mw bloompyle
532nmCree B68 Pman Special 120mw, B&D 86mw,
638nmMarble Zaser 510mw *
650nmSFCR 280mw Joker
LK-3D Projector Hakzaw1 GB
Casa CTL-HM Projector Livinloud GB. -----((O))
Chauvet 40 DMX Controller Brucemir
Ophir 5w LPM*
R, G, B, V Marble Zaser set
Need a custom build? Send me a message

LED's - TK75vn killerthrow, BTU Shockervn, MX25L3vn, D40avn, TK61vn ( 622kcd!!) , D25Cvn ti, Mm15vn, V11rvn, V25cvn, C20cvn, S200c2vn, convoy m1 xml2 3a X2 , convoy c8, Tcr10vn, Tcr2vn VIP, X60vn V2, Hc90vn , Mh25, K40mvn (mtg2),Sd6vn, Pd35vn (xpl triple) Sinner titanium xml2
Tmack is offline   Reply With Quote
Old 02-17-2014, 11:57 AM #27
starlight's Avatar
Class 2M Laser
 
Join Date: Mar 2009
Location: Brighton,MI
Posts: 928
Rep Power: 278
starlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond repute
starlight starlight is offline
Class 2M Laser
starlight's Avatar
 
Join Date: Mar 2009
Location: Brighton,MI
Posts: 928
Rep Power: 278
starlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

Quote:
Originally Posted by Pman View Post
Shipping is expensive ($26 to N.Y.) for 8-15 days.
I got a e-mail from them that said "free shipping" for members until June 2014. I'll probably order before then
starlight is offline   Reply With Quote
Old 02-18-2014, 05:24 AM #28
Alaskan's Avatar
Class 4 Laser
 
Join Date: Jan 2014
Location: Currently in Iraq.
Posts: 7,047
Rep Power: 45891
Alaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond repute
Alaskan Alaskan is offline
Class 4 Laser
Alaskan's Avatar
 
Join Date: Jan 2014
Location: Currently in Iraq.
Posts: 7,047
Rep Power: 45891
Alaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

What is the relationship of expansion if you fed your beam into a 2X beam expander and then put another beam expander in front of that which was 10X? Does that equal 20X expansion? To me, this seems fairly straight forward and I'm thinking the expansion just directly multiplies, with losses, of course.

Curious what the maximum theoretical beam expansion possible is without loosing more than 50% of your power when using BK7 optics, anyone? What kind of setup is best for maximum expansion using no more than 2 lenses? 3 lenses? I've been googling on this subject for awhile now and there is lots of good information out there but so far, nothing found yet which gives me some ball park figures in regards to these kinds of questions. I'd like to see if a 50X or higher expander is possible, even if I have to put one beam expander in front of another and suffer the loss. The optics can get huge, I imagine... to go that high.

Edit: Of course, as soon as I post the question I finally find one of my answers on Google, yes, you can expand out much higher than 50X, I imagine, as high as you are willing to suffer the induced losses from optics if putting one expander in front of the other, giving enough aperature. Another question now, I wonder if anyone in this group has built an expander which can do a high ratio of expansion using relatively inexpensive optics, perhaps a telescope? I want to do so but for 808nm IR and at high power using a FAP unit which poses a problem, the input lens must be able to handle the size and heat of the input beam. At one time I had run across a youtube video where someone was pushing some power through a telescope to light a match over 100 feet away using a visible laser, can't find that video anymore but I believe it's still there.

Last edited by Alaskan; 02-18-2014 at 07:37 AM.
Alaskan is offline   Reply With Quote
Old 02-18-2014, 12:54 PM #29
starlight's Avatar
Class 2M Laser
 
Join Date: Mar 2009
Location: Brighton,MI
Posts: 928
Rep Power: 278
starlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond repute
starlight starlight is offline
Class 2M Laser
starlight's Avatar
 
Join Date: Mar 2009
Location: Brighton,MI
Posts: 928
Rep Power: 278
starlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond reputestarlight has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

Quote:
Originally Posted by Laser Project View Post
What is the relationship of expansion if you fed your beam into a 2X beam expander and then put another beam expander in front of that which was 10X? Does that equal 20X expansion?

At one time I had run across a youtube video where someone was pushing some power through a telescope to light a match over 100 feet away using a visible laser, can't find that video anymore but I believe it's still there.
If I pick up one of the new expanders I'll try your idea.

And I found this video (he's a member here) lighting match from 82 feet


starlight is offline   Reply With Quote
Old 02-18-2014, 07:17 PM #30
Tmack's Avatar
Class 3R Laser
 
Join Date: Oct 2013
Location: Baltimore MD
Posts: 2,478
Rep Power: 484
Tmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond repute
Tmack Tmack is offline
Class 3R Laser
Tmack's Avatar
 
Join Date: Oct 2013
Location: Baltimore MD
Posts: 2,478
Rep Power: 484
Tmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond reputeTmack has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

Wow. Sooo impressive. Do i have to say I want it? Well I want it.
__________________

NOIR Lasershields OD7 DBY Filter Operator
405nmMarble Zaser 1060mw *
405nmFocus pen 80mw Pman
445nm Cypress 2750mw*
445nm MS-Envy 2645mw*
445nmMarble Zaser 2940mw*
445nmMag Light Mr crouse Heatsink 2790mw Jayrob & Speedy78*
445nmWicked Laser EVO E2 Custom M140 G2 1580mw*
520nm Sipik 125mw*
532nmHL532 505mw bloompyle
532nmCree B68 Pman Special 120mw, B&D 86mw,
638nmMarble Zaser 510mw *
650nmSFCR 280mw Joker
LK-3D Projector Hakzaw1 GB
Casa CTL-HM Projector Livinloud GB. -----((O))
Chauvet 40 DMX Controller Brucemir
Ophir 5w LPM*
R, G, B, V Marble Zaser set
Need a custom build? Send me a message

LED's - TK75vn killerthrow, BTU Shockervn, MX25L3vn, D40avn, TK61vn ( 622kcd!!) , D25Cvn ti, Mm15vn, V11rvn, V25cvn, C20cvn, S200c2vn, convoy m1 xml2 3a X2 , convoy c8, Tcr10vn, Tcr2vn VIP, X60vn V2, Hc90vn , Mh25, K40mvn (mtg2),Sd6vn, Pd35vn (xpl triple) Sinner titanium xml2
Tmack is offline   Reply With Quote
Old 02-19-2014, 12:50 AM #31
WizardG's Avatar
Class 2 Laser
 
Join Date: May 2011
Location: Oregon
Posts: 398
Rep Power: 2630
WizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond repute
WizardG WizardG is offline
Class 2 Laser
WizardG's Avatar
 
Join Date: May 2011
Location: Oregon
Posts: 398
Rep Power: 2630
WizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond reputeWizardG has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

My local surplus shoppe has a half dozen or so adjustable beam expanders. The scales are labeled 2-10x and they're coated for 1064nm. They're only $20 per so I'm interested enough that I plan on picking up 1 or 2 the next time I go there for some other bits-n-pieces but I was wondering if anyone here would know if the the 1064 coatings would work reasonably well for 532nm or whether I'd be wasting half of my photons. (PM me if you'd like me to snag one for you) Thanks!
__________________
125mW 405
1.157 watt 447
2 meter long hene @ 57mW
Assorted greenies, best @ 244mW of 520
WizardG is offline   Reply With Quote
Old 02-19-2014, 11:46 AM #32
Alaskan's Avatar
Class 4 Laser
 
Join Date: Jan 2014
Location: Currently in Iraq.
Posts: 7,047
Rep Power: 45891
Alaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond repute
Alaskan Alaskan is offline
Class 4 Laser
Alaskan's Avatar
 
Join Date: Jan 2014
Location: Currently in Iraq.
Posts: 7,047
Rep Power: 45891
Alaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond reputeAlaskan has a reputation beyond repute
Default Re: Dragon Laser Beam Expander

I'm curious as well regarding coatings, wondering if the 1064 coating will pass 800nm without too much loss, well... no more than 10% loss is what I'd say is OK for what I want to do. I've seen some cheap Chinese expanders which are rated for both 1064 and 532, but not 800nm

I did some math today regarding expansion based on 1 mrad, from my numbers it seems a 1 mrad laser would expand out to 328 feet at 62 miles. Can someone check my math? I also find at 621 miles the beam would be .62 a mile wide, or over a half mile. You could cut the expansion down to 1/10th with a 10X expander, right? So that means at 62 miles your beam would be only 32.8 feet wide, that's a whole lot of light from even a 250 mw laser for that far away.

Added edit: If you do buy another beam expander, the input must be wider than your expanded beam to use it in series from another one, of course. I have no idea how much the wrong coating on the lens will attenuate your beam, if too far from the designed wavelength but I can imagine it could be quite lossy if too far.

Last edited by Alaskan; 02-19-2014 at 04:12 PM.
Alaskan is offline   Reply With Quote
Reply

Tags
opti, optics, optics kit





Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On











Loading








Green Laser Pointers by Category Blue Laser Pointers by Category Red Laser Pointers by Category
Yellow Laser Pointers by Category Violet Laser Pointers by Category Orange Laser Pointers by Category
Top Laser Pointers by Power - 1 Watt+ Top Laser Pointers by Power - 500mW+ Top Laser Pointers by Power - 250mW+
Laser Pointer Database High Power Laser Pointers Laser Pointer Diodes






Privacy Policy | Advertising Disclaimer | Terms of Use


 


All times are GMT. The time now is 02:05 AM.


Powered by: vBulletin
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO
Privacy Policy | Advertising Disclaimer | Terms of Use
Copyright (C) 2017 Laser Pointer Forums, LLC