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 > Tutorials, Help & Repairs



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



Reply
 
LinkBack Thread Tools Display Modes
Old 05-27-2012, 02:55 PM #1
daawood123's Avatar
Class 2M Laser
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
daawood123 daawood123 is offline
Class 2M Laser
daawood123's Avatar
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
Default Need help on extracted diode

Hi

so a little while ago, i decided to take out the drive in my old laptop to see if i could find any diodes, i took it all apart, and i found a small brass heatsink, i didnt think much of it then, so i put it on top of my wardrobe

now, about 2months later, i picked it up and saw it had 3 pins at one end,i got excited, and proceeded to solder off the solder and the PCB thing attached to the pins, then i tried pushing it out of the heatsink, but it was glued in tight, so i grabbed my dremel and a small file, and long story short, i grinded the sides down and out popped a diode, it has like a silver can on the top, and the lens is slightly tinted blue if you look at it from the right angle

i dont have a camera otherwise i would have added pics, but i dont know if its bluray, red, IR, or most importantly, if it is still alive. i kept the soldering iron on for about 5seconds max, however, the grinding bit on my dremel really heated that heatsink up, i didnt grind it with the grinding stone for more than 3-4 seconds. anyway, i have the bare diode now, but i dont know what to do, should i solder wires on? i dont even know which is positive, negative and case, but like i said, the lens has a blue shine to it if that helps.

any help would be much appreciated

EDIT: i have hammered the diode into the aixiz module head i had lying around ( with the back part of the aixiz ofcourse, i didnt hammer the diode itself)


__________________

100mw Lazerer Classic Green (needs repair)

LPC-826 DIY build. 300mw (Estimated)

Last edited by daawood123; 05-27-2012 at 03:06 PM.
daawood123 is offline   Reply With Quote







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







Old 05-27-2012, 03:07 PM #2
AUS's Avatar
AUS AUS is offline
Class 2M Laser
 
Join Date: Apr 2012
Location: Albury NSW Australia
Posts: 567
Rep Power: 110
AUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond repute
AUS AUS is offline
Class 2M Laser
AUS's Avatar
 
Join Date: Apr 2012
Location: Albury NSW Australia
Posts: 567
Rep Power: 110
AUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond repute
Default Re: Need help on extracted diode

Blue lens is probably IR or red. Was it a burner or just a cd drive? If just a cd / DVD and if there was only one diode it's probably a low powered 650nm red. Most you can drive to 90mA or so without damaging them. You can find the pin out with a multimeter on the diode check range. It will read a few volts forward when the probes are on the right pins.
__________________
405nm 100mW Ultrafire C3
445nm 750mW Ultrafire W501B
445nm 1.8W 9mm diode Ultrafire C8

473nm 100mw DPSS Labby
488nm 12mW Uniphase Single Line Argon Gas laser.
532nm 315mW Lab laser
532nm 30mW eBay pointer
632.8nm 2mW HeNe
638nm 360mW Titanium Ice
660nm 120mW Energizer AAA MacGuyver build
660nm 300mW Cree C3 Stainless build
850nm (bugger all power probably 10mW) in NV equipment
---------------------------------------
600-700nm protection glasses
190-540nm protection glasses
---------------------------------------
Various Amateur radio & broadcast radio bits.... AWA P5 all valve 500W MW TX. 400 watt AM17 ex VHF aircraft band amplifier on 144 MHz.
AUS is offline   Reply With Quote
Old 05-27-2012, 03:10 PM #3
daawood123's Avatar
Class 2M Laser
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
daawood123 daawood123 is offline
Class 2M Laser
daawood123's Avatar
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
Default Re: Need help on extracted diode

um, the laptop i had probably had a burning feature. do infrared diodes have the can iswell?
i have put it into the aixiz head, ill try finding out the pinout, i have used my multimeter for testing LED'S before, and if the correct pinout was acheived, the LED's would switch on with a very dim light, will this happen to my diode iswell?
__________________

100mw Lazerer Classic Green (needs repair)

LPC-826 DIY build. 300mw (Estimated)
daawood123 is offline   Reply With Quote
Old 05-27-2012, 03:10 PM #4
daawood123's Avatar
Class 2M Laser
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
daawood123 daawood123 is offline
Class 2M Laser
daawood123's Avatar
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
Default Re: Need help on extracted diode

well, i soldered to the pins and everything, applied heatshrink, and cause im soo impatient,i touched either end of the wires to a single AAA battery, nothing happened, i even pointed it at my laptops built in webcam, which usually picks up IR, still nothing.

i am sure iv destroyed it, but it was useless anyway, still, good practise i suppose of how to solder to diode pins.
__________________

100mw Lazerer Classic Green (needs repair)

LPC-826 DIY build. 300mw (Estimated)

Last edited by daawood123; 05-27-2012 at 03:56 PM.
daawood123 is offline   Reply With Quote
Old 05-27-2012, 04:30 PM #5
grainde's Avatar
Class 3B Laser
 
Join Date: Jan 2012
Location: Alsace
Posts: 2,697
Rep Power: 31615
grainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond repute
grainde grainde is online now
Class 3B Laser
grainde's Avatar
 
Join Date: Jan 2012
Location: Alsace
Posts: 2,697
Rep Power: 31615
grainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond reputegrainde has a reputation beyond repute
Default Re: Need help on extracted diode

Maybe the potential (1.5V AA) was too low? I thought reds and IR needed just over 2V? If the potential was too low, you may be lucky that it didnt drive the diode, because attaching it to a battery you havent limited the current! I would use a driver or PSU at a low current setting to test it
__________________
New to lasers & want some info on how to build a laser? Look here: Build a laser

Need info on goggles? Look here: Get safety goggles now!

FS Custom Sinner Host builds available now!


Here is my old Kryton Groove FS thread!

100mW 405 PHR
700mW 405

2W 445 C6--link--
+2.3W 445 --link--
+2.5W 445 --link--

190mW 450 --link--
15mW 510nm
5mW 532 --link--
25mW 532 --link--

520mW 638 --link--
1W 638

250mW 650
250mW 780

3000 Lm C8 MTG2 @ 6 A!
Poppas mod 3A --link--
Sipik 98 Cu pill/star mod --link--
grainde is online now   Reply With Quote
Old 05-27-2012, 04:37 PM #6
daawood123's Avatar
Class 2M Laser
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
daawood123 daawood123 is offline
Class 2M Laser
daawood123's Avatar
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
Default Re: Need help on extracted diode

yh, i also just tested it with a 16340, still nothing. i dont really mind if it doesnt work, and i dont have a driver spare.
now however, i have murdered it, i wanted to push it out of the aixiz head, it wouldnt budge, so i got angry, grabbed a screwdriver, placed the screwdriver on the diode can window, and hammered it out.
to be honest, i dont really need it, i already have a red build and also some bluray diodes on the way
__________________

100mw Lazerer Classic Green (needs repair)

LPC-826 DIY build. 300mw (Estimated)
daawood123 is offline   Reply With Quote
Old 05-27-2012, 06:33 PM #7
Banned
 
Join Date: Jan 2009
Location: In A State of Shock.
Posts: 11,871
Rep Power: 0
Tech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond repute
Tech_Junkie Tech_Junkie is offline
Banned
 
Join Date: Jan 2009
Location: In A State of Shock.
Posts: 11,871
Rep Power: 0
Tech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond repute
Default Re: Need help on extracted diode

You're making my cringe. Hammer?!?!? Screwdriver?!?!?!? Dremel?!?!?!? Straight batteries?!?!?!?!

Man even if it didnt work it was a perfect practice piece. If you are going to build you need a light touch, patience, and the right tools. You have to be delicate and precise. Any single screw up and you just threw money out the window.

Last edited by Tech_Junkie; 05-27-2012 at 06:34 PM.
Tech_Junkie is offline   Reply With Quote
Old 05-27-2012, 07:04 PM #8
daawood123's Avatar
Class 2M Laser
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
daawood123 daawood123 is offline
Class 2M Laser
daawood123's Avatar
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
Default Re: Need help on extracted diode

i know, but, like i said, i wasnt really bothered about this, it seemed to be a infrared diode, and the heatsink was just a solid block of brass, and nothing would penetrate it except for my dremels grinding bit. and i only used the hammer to push the diode into the aixiz, i didnt the hammer the diode itself, but only the back of the module which i was using as a press tool. still, i havnt really wasted anything
__________________

100mw Lazerer Classic Green (needs repair)

LPC-826 DIY build. 300mw (Estimated)
daawood123 is offline   Reply With Quote
Old 05-27-2012, 07:15 PM #9
Blord's Avatar
Class 4 Laser
 
Join Date: Dec 2007
Location: Belgium
Posts: 5,368
Rep Power: 870
Blord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond repute
Blord Blord is offline
Class 4 Laser
Blord's Avatar
 
Join Date: Dec 2007
Location: Belgium
Posts: 5,368
Rep Power: 870
Blord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond reputeBlord has a reputation beyond repute
Default Re: Need help on extracted diode

The dremel is my favourite tool. In a skilled hand a Dremel is a tool with a surgical precision.
Sometimes I cleave the heatsink with the Dremel to get the diode.
Also for getting the pcb out of the C6 pill I make a incision in the edge.
__________________
405nm 400mW S06J C6
445nm 3W Big Boy, 2.8W Dominator, 2.4W Steel Laser
450nm 240mW PL450 C6
473nm 100mW PGL-III-C-473
520nm 55mW Skylaser PL520
532nm 821mW Skylaser PL532, 133mW Jetlasers Ti-B
589nm 100mW PGL-III-C-589
635nm 70mW Sanyo SenTorch
638nm 175mW Ehgemus, 1W Rook
660nm 1216mW Skylaser PL660, 263mW LPC826 C6
685nm 33mW Fujitsu FLD6A2TK C6
780nm 150mW Dilda
808nm 640mW C6

I have copper 501B and Dominator lasers for sale !

Last edited by Blord; 05-27-2012 at 07:17 PM.
Blord is offline   Reply With Quote
Old 05-27-2012, 08:16 PM #10
daawood123's Avatar
Class 2M Laser
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
daawood123 daawood123 is offline
Class 2M Laser
daawood123's Avatar
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
Default Re: Need help on extracted diode

yep, i love my dremel, and i think it was great for this extraction, as the heatsink was about 1cm thick, so it would have taken me forever to file through it
__________________

100mw Lazerer Classic Green (needs repair)

LPC-826 DIY build. 300mw (Estimated)
daawood123 is offline   Reply With Quote
Old 05-29-2012, 11:41 AM #11
Banned
 
Join Date: Jan 2009
Location: In A State of Shock.
Posts: 11,871
Rep Power: 0
Tech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond repute
Tech_Junkie Tech_Junkie is offline
Banned
 
Join Date: Jan 2009
Location: In A State of Shock.
Posts: 11,871
Rep Power: 0
Tech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond reputeTech_Junkie has a reputation beyond repute
Default Re: Need help on extracted diode

These can cut brass like butter.

Diamond Metal Needle Files (10-Piece) - Free Shipping - DealExtreme

And shock kills diodes if you have not heard. Use Vice grips, not a hammer. If a hammer was OK everyone would be doing it.
Tech_Junkie is offline   Reply With Quote
Old 05-29-2012, 03:31 PM #12
daawood123's Avatar
Class 2M Laser
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
daawood123 daawood123 is offline
Class 2M Laser
daawood123's Avatar
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
Default Re: Need help on extracted diode

yep, no worries TJ, i am familiar with how diodes work etc. like i said, i didnt relly care about this diode, cause it was probably just a IR or low powered red. if it was like a 12x, then i would obviously take the neccesary precautions
__________________

100mw Lazerer Classic Green (needs repair)

LPC-826 DIY build. 300mw (Estimated)
daawood123 is offline   Reply With Quote
Old 05-29-2012, 10:34 PM #13
AUS's Avatar
AUS AUS is offline
Class 2M Laser
 
Join Date: Apr 2012
Location: Albury NSW Australia
Posts: 567
Rep Power: 110
AUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond repute
AUS AUS is offline
Class 2M Laser
AUS's Avatar
 
Join Date: Apr 2012
Location: Albury NSW Australia
Posts: 567
Rep Power: 110
AUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond reputeAUS has a reputation beyond repute
Default Re: Need help on extracted diode

If you want to test it with a battery you need to limit the current otherwise the diode will just draw an amp of current or whatever the battery can supply and destroy itself.

For a small cd or DVD burner I'd stick to below 90mA so with a 4.2 volt fully charged lithium cell, from Ohms Law that would be R=E/I or R=4.2/0.09 or 46.6 ohms (47ohms would be fine).

In case you are wondering why we don't throw all our driver boards away and use resistors, if you try this with a battery that has discharged to 3.6 volts, for I=E/R you get 3.6/47=0.076 or 76mA. Thats a pretty huge variation.

Run the numbers with a high power 455nm diode that draws 2 amps and the difference between blowing the diode up and having a working laser is a fraction of an ohm. Plus you need 5 watt resistors to dissipate the heat.

I should have replied earlier but Ive had to go interstate to see my father and was in and out of airports most of yesterday.
__________________
405nm 100mW Ultrafire C3
445nm 750mW Ultrafire W501B
445nm 1.8W 9mm diode Ultrafire C8

473nm 100mw DPSS Labby
488nm 12mW Uniphase Single Line Argon Gas laser.
532nm 315mW Lab laser
532nm 30mW eBay pointer
632.8nm 2mW HeNe
638nm 360mW Titanium Ice
660nm 120mW Energizer AAA MacGuyver build
660nm 300mW Cree C3 Stainless build
850nm (bugger all power probably 10mW) in NV equipment
---------------------------------------
600-700nm protection glasses
190-540nm protection glasses
---------------------------------------
Various Amateur radio & broadcast radio bits.... AWA P5 all valve 500W MW TX. 400 watt AM17 ex VHF aircraft band amplifier on 144 MHz.

Last edited by AUS; 05-29-2012 at 10:35 PM.
AUS is offline   Reply With Quote
Old 05-30-2012, 03:41 PM #14
daawood123's Avatar
Class 2M Laser
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
daawood123 daawood123 is offline
Class 2M Laser
daawood123's Avatar
 
Join Date: Mar 2012
Location: Berkshire, UK
Posts: 942
Rep Power: 27
daawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant futuredaawood123 has a brilliant future
Send a message via MSN to daawood123
Default Re: Need help on extracted diode

no worries. im planning on buying drivers for all my builds so i should be fine
__________________

100mw Lazerer Classic Green (needs repair)

LPC-826 DIY build. 300mw (Estimated)
daawood123 is offline   Reply With Quote
Reply





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 12:45 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