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.

One laser store meets all your needs

 Laser Pointer Forums - Discuss Laser Pointers Laser Brightness calculator made by nprlaser :D
 User Name Remember Me? Password

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

01-24-2014, 01:19 AM #1
 Class 1M Laser Join Date: Jul 2013 Location: Batavia, IL Posts: 158 Rep Power: 74
Nprlaser
Class 1M Laser

Join Date: Jul 2013
Location: Batavia, IL
Posts: 158
Rep Power: 74
Laser Brightness calculator made by nprlaser :D

Ever wanted to see EXACTLY how much brighter your 500mW 635nm is than your 2W blue? Here's my first official program that will measure and compare laser brightness through a list of common wavelengths and then adding power.
I got these number and value's from the 1988 C.I.E. Photopic Luminous Efficiency Function here 1988 CIE Photopic Luminous Efficiency Function.

All I did was using some information to get exact brightness factor for each wavelength. Building this program was actually more fun than I expected

Version 1.1 Beta January 25, 2014

+Added wavelengths 589 and 594
+Added Color bar Graph
+Fixed bugs

-----------------------------------------------------------------------------------------------------------------------------------------
Here's the new alpha link 515nm and 520nm are now corrected- http://www.mediafire.com/download/ta...Calculator.exe
Don't worry about the windows detecting bullcrap, this was made using visual studio.
Pictures

I just noticed a bug with the 520nm and 515nm Efficiency Factor,
520=.71
515=.6082
to get these readings manually use this equation
EF*mW*0.683002=lumens

Last edited by Nprlaser; 02-06-2014 at 05:02 PM. Reason: new link

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

01-24-2014, 10:42 AM #2
 Class 1M Laser Join Date: Jul 2013 Location: Bandon, Oregon, USA Posts: 204 Rep Power: 7
XxCodyDarnellxX
Class 1M Laser

Join Date: Jul 2013
Location: Bandon, Oregon, USA
Posts: 204
Rep Power: 7
Re: Laser Brightness calculator made by nprlaser :D

I don't particularly need a calculator, as I have a good idea of each laser's respective brightness, but this does look like a well built and easy to use program for quick and accurate comparisons. Nice work.

+Rep
__________________
Lasers I Own

HL 300mW 532nm (IR Filtered) - Skylaser (laserbtb)

My Guides & Reviews

Translating Wavelengths to Colors! - Updated (12/10/2013)
Cheap Safety Glasses! - 532nm Tested! - Updated (1/22/2014)
532nm 300mW Skylaser (laserbtb) - (Coming... Soon?)

Warning: I may be an alcoholic. Almost all of my posts end in the "" emoticon.

01-24-2014, 11:29 AM #3
 Class 4 Laser Join Date: Nov 2009 Location: Austria Posts: 5,996 Rep Power: 987
DJNY
Class 4 Laser

Join Date: Nov 2009
Location: Austria
Posts: 5,996
Rep Power: 987
Re: Laser Brightness calculator made by nprlaser :D

rhd also did one back in 2011 Beam: (559nm 1mw) vs. (476nm 1mw)

I wonder how the accuracy of these two tools is in comparison

But with this your contribution to the forum is definitely worth a +rep !
__________________
405nm >> Wickedlasers SONAR by lazeerer peak@968mW
445nm >> Kryton Smooth by lazeerer peak@2075mW
453nm >> Lipstick by rhd peak@158mW
473nm >> Optotronics RPL-B peak@112mW
515nm >> Skylasers HL peak@41mW
532nm >> Novalasers Alpha HP peak@284mW
589nm >> CNI PGL-III-A peak@89mW
594nm >> Laserglow Rigel peak@4mW
635nm >> MXDL by DTR peak@38mW
642nm >> Saillaser peak@23mW
660nm >> CR2 by lazeerer peak@524mW
685nm >> MXDL by lazereer peak@42mW

Above lasers measured with an Ophir nospin LPM

- - - - - - - - -
Interested? >> Click onto the laser titles for more information
- - - - - - - - -

Note that Imageshack is automatically resizing some of my older
pictures back to original full-size after a while.

01-24-2014, 11:52 AM #4
 Class 1M Laser Join Date: Jul 2013 Location: Batavia, IL Posts: 158 Rep Power: 74
Nprlaser
Class 1M Laser

Join Date: Jul 2013
Location: Batavia, IL
Posts: 158
Rep Power: 74
Re: Laser Brightness calculator made by nprlaser :D

Quote:
 Originally Posted by DJNY rhd also did one back in 2011 Beam: (559nm 1mw) vs. (476nm 1mw) I wonder how the accuracy of these two tools is in comparison But with this your contribution to the forum is definitely worth a +rep !
Oh wow, looks like some one else did make a similar tool, i never knew. The factor chart is slightly different than the one I used but his calculator is better, its actually what I wanted to do with the color bars and and a more fun look. But i didn't have the time to add all 300+ wavelengths, I just stuck with the common ones. Thanks

01-24-2014, 03:19 PM #5
 Class 3B Laser Join Date: Feb 2010 Location: Pennsylvania, USA Posts: 2,516 Rep Power: 17433
ZRaffleticket
Class 3B Laser

Join Date: Feb 2010
Location: Pennsylvania, USA
Posts: 2,516
Rep Power: 17433
Re: Laser Brightness calculator made by nprlaser :D

I'm fairly certain you should calculate the wavelength color, 300+ constants is just a waste.

Still, cool tool! I'd like to see if it does get better eventually.

Edit: Ahh, I see how it works now. Calculating would be annoying. What language is it coded in?
__________________
405nm 1W Sanwu Challenger COMING SOON
450nm 300mW
462nm 2W MS-SSW
472nm 2W maglite
480nm 125mW mrcrouse
485nm ??????
488nm 20mW Uniphase Argon
502nm 85mW badboybilly host
510nm 90mW PLANNED
520nm 30mW laserlands pointer
532nm 25mW Cheap Pen
589nm 100mW Spartan multiline
635nm 200mW C6
650nm 350mW PLANNED

DPSS Theoretical Wavelength Chart

Last edited by ZRaffleticket; 01-24-2014 at 03:21 PM.

01-24-2014, 04:13 PM #6
 Class 1M Laser Join Date: Jul 2013 Location: Batavia, IL Posts: 158 Rep Power: 74
Nprlaser
Class 1M Laser

Join Date: Jul 2013
Location: Batavia, IL
Posts: 158
Rep Power: 74
Re: Laser Brightness calculator made by nprlaser :D

Quote:
 Originally Posted by ZRaffleticket I'm fairly certain you should calculate the wavelength color, 300+ constants is just a waste. Still, cool tool! I'd like to see if it does get better eventually. Edit: Ahh, I see how it works now. Calculating would be annoying. What language is it coded in?
I used visual basic, and unless I could find an equation that will save me from adding hundreds of numbers, it will have to stay with the drop down list. I'm adding improvements right now since I'm in study hall

01-24-2014, 05:02 PM #7
 Class 3B Laser Join Date: Feb 2010 Location: Pennsylvania, USA Posts: 2,516 Rep Power: 17433
ZRaffleticket
Class 3B Laser

Join Date: Feb 2010
Location: Pennsylvania, USA
Posts: 2,516
Rep Power: 17433
Re: Laser Brightness calculator made by nprlaser :D

VB6?

You could just have the table saved as a csv and read from that for the wavelength EF.

As for color... Hm. So the limits you'd need to place are when a certain wavelength hits
255,0,0 (say 660nm)
<between>green rises and red drops
0,255,0 (say 530nm)
<between>blue rises and green drops
0,0,255 (say 450nm)
<less>red rises, then fades out

You'd need to set where certain color values start to drop (it won't be immediate).

I'd probably do something along those lines.
__________________
405nm 1W Sanwu Challenger COMING SOON
450nm 300mW
462nm 2W MS-SSW
472nm 2W maglite
480nm 125mW mrcrouse
485nm ??????
488nm 20mW Uniphase Argon
502nm 85mW badboybilly host
510nm 90mW PLANNED
520nm 30mW laserlands pointer
532nm 25mW Cheap Pen
589nm 100mW Spartan multiline
635nm 200mW C6
650nm 350mW PLANNED

DPSS Theoretical Wavelength Chart

01-24-2014, 09:38 PM #8
 Junior Member Join Date: Jan 2013 Location: San Antonio, Texas Posts: 12 Rep Power: 0
Laserface
Junior Member

Join Date: Jan 2013
Location: San Antonio, Texas
Posts: 12
Rep Power: 0
Re: Laser Brightness calculator made by nprlaser :D

This is exactly what I've been looking for. Thank you so much for doing this!

01-26-2014, 12:17 AM #9
 Class 4 Laser Join Date: Apr 2009 Location: 'Deep in the Heart Of Texas..." Posts: 8,345 Rep Power: 26245
hakzaw1
Class 4 Laser

Join Date: Apr 2009
Location: 'Deep in the Heart Of Texas..."
Posts: 8,345
Rep Power: 26245
Re: Laser Brightness calculator made by nprlaser :D

LIKE-- "wow I just got a red projector that is 200mW!! of 650nm
WHAT a rip off that other want that much for one with 640nm
at ONLY 100mW!!"
well guess what kids??- the 638 IS BRIGHTER the numers do not lie nor do the videos-
WHY do you think no savvy PJ builder uses ANY reds above 640nm??
AT the LSO course we were told that a 1WATT 445 is only as 'bright ' as a 50 mW 532?? yeaH... go wrap your head around that fact!!

not to mention that some seller have no interest in facts when it comes to the lasers or scanners they sell- one may call his scanners 15K while another sez the same ones he has are 30K -- AND they will tell you the laser output BEFORE losses- whioch is far from what can be metered after losses.
I measured the loss from a 300 mW green last night-- is was 230mw after just the dichro losses more gets lost at the scanner too.
so going by mw /dollar is a BIG noobish mistake

brb with a very telling video

if any of you can put these links into a post 'embedded' please do that for me- I never learned the trick...

norty303's Avatar norty303 norty303 is online now
Senior Member
Join Date
Feb 2008
Location
East Sus***, England
Posts
3,522
Default Re: can you help??

I shot them in my garage so can confirm the powers used.

Quote Originally Posted by hakzaw1
I thought I saw a post by you with links to a YTube vid showing 640 red next to 650??

Some pointy heads at LPF want to argue with me saying there is no big difference- I need to show them that vid as it speaks volumes-
just a link to your post or vids ..would be great.. thanks for putting that up- I was not all that surprized by it but many will be in shock--lol

Len In TEXAS
__________________
IF YOU ARE NEW HERE- READ ALL THIS http://laserpointerforums.com/f37/an...ml#post1353314
& Spend some hours reading at LASERPOINTERSAFETY.COM

QS/FB3 +Beyond-APC40-Mamba Black(clone) 5paghettix2 and I-show x2-Kasio synth-midi
KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
KGB1W+ 532 DT Pro 40 soon to be GB.
Laserking 1300RGB FULL COLOR 30K(may be FS)
Laserking RGB LK PD2 500 and LK SD 850
REKE RGB 500- G 300
HeNes-(12)R(3)G-COH-594/5 mW-thnx DrSam
MULTILINE-147mW[
445nm 180mW-Mini spiro-Yob.
Spacelas 1178mW 655nm/AixiZ 300mW532&
2 B&W 473nm 5/6mW lab
JETLRS1.3W&1.2W-MGL-H
638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
445 300 mW ttl mni lab ^AixiZ^ all for a lumia PJ
*MightyMite 2000* RGB all diode 2.2W 30K- 637/520./450...NEW!!
Guide DIY Pjs by Dan-
http://nqlasers.com/scannerreference/index.php?title=Main_Page

Last edited by hakzaw1; 01-26-2014 at 12:41 AM.

01-26-2014, 12:44 AM #10
 Class 4 Laser Join Date: Apr 2009 Location: 'Deep in the Heart Of Texas..." Posts: 8,345 Rep Power: 26245
hakzaw1
Class 4 Laser

Join Date: Apr 2009
Location: 'Deep in the Heart Of Texas..."
Posts: 8,345
Rep Power: 26245
Re: Laser Brightness calculator made by nprlaser :D

+5 to the OP - nice share to be sure..
__________________
IF YOU ARE NEW HERE- READ ALL THIS http://laserpointerforums.com/f37/an...ml#post1353314
& Spend some hours reading at LASERPOINTERSAFETY.COM

QS/FB3 +Beyond-APC40-Mamba Black(clone) 5paghettix2 and I-show x2-Kasio synth-midi
KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
KGB1W+ 532 DT Pro 40 soon to be GB.
Laserking 1300RGB FULL COLOR 30K(may be FS)
Laserking RGB LK PD2 500 and LK SD 850
REKE RGB 500- G 300
HeNes-(12)R(3)G-COH-594/5 mW-thnx DrSam
MULTILINE-147mW[
445nm 180mW-Mini spiro-Yob.
Spacelas 1178mW 655nm/AixiZ 300mW532&
2 B&W 473nm 5/6mW lab
JETLRS1.3W&1.2W-MGL-H
638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
445 300 mW ttl mni lab ^AixiZ^ all for a lumia PJ
*MightyMite 2000* RGB all diode 2.2W 30K- 637/520./450...NEW!!
Guide DIY Pjs by Dan-
http://nqlasers.com/scannerreference/index.php?title=Main_Page

 Thread Tools Display Modes Linear Mode

 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 OffTrackbacks are On Pingbacks are On Refbacks are On Forum Rules

All times are GMT. The time now is 05:56 PM.

 -- DarkShadows V5 -- Responsive LPF -2562016 -- Default Style Contact Us - Laser Pointer Forums - Archive - Top