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 > Drivers, Test-load, Power Supply, & Batteries



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



Reply
 
LinkBack Thread Tools Display Modes
Old 09-16-2010, 02:11 PM #1
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
jawsykilla jawsykilla is offline
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
Default My driver does not work??? WHY!!???

Okay i purchased one of these laser diodes 808nm 300mW High Power Burning IR Laser Diode DIY Lab . I then created a basic TTL laser driver circuit using some veroboard, the required components and such. Now I tested the circuit with a few high power LEDs. It worked. I connected the laser diode. Nothing. Also i wasn't sure which pins were which on the diode and i didnt know how to test them. Any ideas?


jawsykilla is offline   Reply With Quote







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







Old 09-16-2010, 02:27 PM #2
HIMNL9's Avatar
Class 4 Laser
 
Join Date: May 2009
Location: Lost somewhere in the EU mess ;)
Posts: 5,416
Rep Power: 404
HIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond repute
HIMNL9 HIMNL9 is offline
Class 4 Laser
HIMNL9's Avatar
 
Join Date: May 2009
Location: Lost somewhere in the EU mess ;)
Posts: 5,416
Rep Power: 404
HIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond repute
Question Re: My driver does not work??? WHY!!???

Quote:
Originally Posted by jawsykilla View Post
Okay i purchased one of these laser diodes 808nm 300mW High Power Burning IR Laser Diode DIY Lab . I then created a basic TTL laser driver circuit using some veroboard, the required components and such. Now I tested the circuit with a few high power LEDs. It worked. I connected the laser diode. Nothing. Also i wasn't sure which pins were which on the diode and i didnt know how to test them. Any ideas?
Uhm, first of all, the 808nm IR band is almost invisible, you will see only a very dim red light, also if the diode is emitting at full power (and being IR 300mW, it's dangerous for the eyes, if you look into it directly, so never do a similar thing)

One of the easiest ways for see if your IR diode is working, is looking through a webcam, or videocamera, cause they see the infrared light.

Second, you said you connected the diode, but you also said you don't know what are anode and cathode ..... this means you have 50% of possibility to have fried your diode, connecting it in reverse (anyway, basically all the IR diodes have case positive, so the pin connected to the case is the anode) ..... also, using the friendly function of the forum called "search" may have pointed you to this thread, that collect almost all the pinouts that we know about laser diodes

Also, there's so much drivers schematics and types, that we can have a better idea about what can be wrong with your driver, if you had posted some pics or schematics, you don't think ?
__________________
High Impulse Multipath Neutron Laser (mark 9 ) (LOL)
Dare mo mita koto no nai, kaze, kumo, suna, umi ..... Kokoro no hate no doko ka eien ga kagayaku.
HIMNL9 is offline   Reply With Quote
Old 09-16-2010, 02:38 PM #3
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
jawsykilla jawsykilla is offline
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
Default Re: My driver does not work??? WHY!!???

Okay thanks for the swift reply. First off I'm not stupid enough to look directly into any powerful light source. I did use 3 different camera to see if the IR beam existed. I used a crappy webcam. A digital camera (photo). And an IR enabled video camera. Nothing appeared on any of them. I did indeed use the search function and visit the thread you linked me to. However there is no data for my diode on there. I contacted the seller of the diode also and they had no idea what I was talking about. So if the case pin is the anode. Then which is the cathode? This is the exact laser driver circuit I built. Linked to from this forum nonetheless Laser driver - It can be done I didn't post any pics because i destroyed my circuit in anger after wasting hours trying to troubleshoot it. But now I am going to build another circuit and buy a new diode. I just want to make a burning laser and yes I have safety goggles and understand basic physics and electronics. Do you need anymore info?
Cheers,
Jordan
jawsykilla is offline   Reply With Quote
Old 09-16-2010, 03:14 PM #4
HIMNL9's Avatar
Class 4 Laser
 
Join Date: May 2009
Location: Lost somewhere in the EU mess ;)
Posts: 5,416
Rep Power: 404
HIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond repute
HIMNL9 HIMNL9 is offline
Class 4 Laser
HIMNL9's Avatar
 
Join Date: May 2009
Location: Lost somewhere in the EU mess ;)
Posts: 5,416
Rep Power: 404
HIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond repute
Default Re: My driver does not work??? WHY!!???

The pinout for the IR diodes (is somewhere, in the forum, anyway) is the same as the red ones, just reversed polarity, and is the same for the 99% of the models .....

take the diode and look at it from the leads side, having the middle one (the one electrically connected to the case) up, like this:

Code:
          anode (+)
             |
             o
           o   o
          /     \
cathode (-)     n.c.
The upper one, connected to the case, is the positive (anode), the one at your left is the negative (cathode), and the one at your right is sometimes not connected, and sometimes connected to an internal photodiode (this depend from the different models, to have or not a photodiode), but also if there's a photodiode, you don't need it, so this pin can be left unconnected or soldered directly with the central (anode) one, if you need to solder it on a PCB, for the stability.
__________________
High Impulse Multipath Neutron Laser (mark 9 ) (LOL)
Dare mo mita koto no nai, kaze, kumo, suna, umi ..... Kokoro no hate no doko ka eien ga kagayaku.
HIMNL9 is offline   Reply With Quote
Old 09-16-2010, 03:20 PM #5
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
jawsykilla jawsykilla is offline
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
Default Re: My driver does not work??? WHY!!???

Okay thanks. Ive just found some extra data for my diode. Apparently it has a 2.2v operating voltage and since it has a power output of 300mW doesn't that mean that the circuit will only need to provide roughly 140mA of current? If so then I should only use one 10 ohm resistor? can you verify this for me. This may be why my diode refused to work last time. Too much current?
Cheers,
Jordan
jawsykilla is offline   Reply With Quote
Old 09-16-2010, 03:37 PM #6
HIMNL9's Avatar
Class 4 Laser
 
Join Date: May 2009
Location: Lost somewhere in the EU mess ;)
Posts: 5,416
Rep Power: 404
HIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond repute
HIMNL9 HIMNL9 is offline
Class 4 Laser
HIMNL9's Avatar
 
Join Date: May 2009
Location: Lost somewhere in the EU mess ;)
Posts: 5,416
Rep Power: 404
HIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond repute
Default Re: My driver does not work??? WHY!!???

Uhm, too much current, usually, means a fried diode (also if i hope not) .....

Can be some "cold" soldering point, or some wrong resistor value .....

Try this circuit, if you want, it's a more safe alternative to that one.

Also, for a 300mW emission, as far as i remember, the operating currents was around 350 / 370 mA ..... at 140mA, it must still lase (usual threshold current for these models is around 100mA), but probably emits between 20 and 40 mW, not more .....

BTW, are you using any test load or dummy load, for set up the current of your driver, before connect it to the laser diode ?
__________________
High Impulse Multipath Neutron Laser (mark 9 ) (LOL)
Dare mo mita koto no nai, kaze, kumo, suna, umi ..... Kokoro no hate no doko ka eien ga kagayaku.
HIMNL9 is offline   Reply With Quote
Old 09-16-2010, 03:44 PM #7
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
jawsykilla jawsykilla is offline
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
Default Re: My driver does not work??? WHY!!???

I did not use a test/dummy load when i tried it last time as I got too excited and couldn't wait for anymore 1n4001s in the post. So i trusted abilities and plugged it in lmao. Bad choice that was. I think i'm going to stick to the circuit I want to build because I have all of the components available in front of me. So did I supply too much current to my diode last time? Should the schematic for the Red Senkat laser work for my diode?
Cheers,
Jordan
jawsykilla is offline   Reply With Quote
Old 09-16-2010, 04:16 PM #8
HIMNL9's Avatar
Class 4 Laser
 
Join Date: May 2009
Location: Lost somewhere in the EU mess ;)
Posts: 5,416
Rep Power: 404
HIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond repute
HIMNL9 HIMNL9 is offline
Class 4 Laser
HIMNL9's Avatar
 
Join Date: May 2009
Location: Lost somewhere in the EU mess ;)
Posts: 5,416
Rep Power: 404
HIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond reputeHIMNL9 has a reputation beyond repute
Default Re: My driver does not work??? WHY!!???

As far as it can give 350/400mA on the diode, it must work (only remember that red diodes have reverted polarity, compared with IR ones)

IF you are sure that none of the components was damaged from the previous tests, ofcourse
__________________
High Impulse Multipath Neutron Laser (mark 9 ) (LOL)
Dare mo mita koto no nai, kaze, kumo, suna, umi ..... Kokoro no hate no doko ka eien ga kagayaku.
HIMNL9 is offline   Reply With Quote
Old 09-18-2010, 11:28 AM #9
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
jawsykilla jawsykilla is offline
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
Default Re: My driver does not work??? WHY!!???

Okay I've just created another circuit, this time I've connected up some LEDs just for now in series so I can see if the circuit works. I turned it on and for some reason twisting the potentiometer does not affect the brightness of the LEDs. Should it?
http://i247.photobucket.com/albums/g...a/DSC00042.jpg
Also I took a reading across the LEDs and got a potential difference of 6v? Any ideas?
Cheers,
Jordan
jawsykilla is offline   Reply With Quote
Old 09-18-2010, 12:14 PM #10
Toke's Avatar
Class 3R Laser
 
Join Date: Jul 2010
Location: Copenhagen
Posts: 1,111
Rep Power: 51
Toke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond repute
Toke Toke is offline
Class 3R Laser
Toke's Avatar
 
Join Date: Jul 2010
Location: Copenhagen
Posts: 1,111
Rep Power: 51
Toke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond repute
Default Re: My driver does not work??? WHY!!???

One obvious answer is that your power supply cannot deliver enough voltage for the diodes and that your driver is therefore delivering less current than it is set for.

You should try measure the diode drop of your test load before connecting it, if it is too close to your supply voltage the driver will not regulate.

Most multimeters have a diode setting, it will give you the minimum voltage of a diode. The voltage drop over an LED or LD will increase a bit with current.

Or just try with one LED less.
__________________
100mW Odicforce kit.
App. 300mw MiniMag
App 120mW labby
Fan cooled 400mA 12X 405nm flashlight

532nm 150mW Labby.
532nm 50mW in flashlight

1.2W 445nm Yobresal
Basic laser building guide.
Toke is offline   Reply With Quote
Old 09-18-2010, 05:18 PM #11
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
jawsykilla jawsykilla is offline
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
Default Re: My driver does not work??? WHY!!???

Ok thanks Toke, I'll check that out. Thanks for the info
Cheers,
Jordan
jawsykilla is offline   Reply With Quote
Old 09-18-2010, 07:54 PM #12
Cyparagon's Avatar
Class 4 Laser
 
Join Date: Sep 2007
Location: Wisconsin
Posts: 9,142
Rep Power: 9321
Cyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond repute
Cyparagon Cyparagon is online now
Class 4 Laser
Cyparagon's Avatar
 
Join Date: Sep 2007
Location: Wisconsin
Posts: 9,142
Rep Power: 9321
Cyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond repute
Default Re: My driver does not work??? WHY!!???

Quote:
Originally Posted by jawsykilla View Post
Apparently it has a 2.2v operating voltage and since it has a power output of 300mW doesn't that mean that the circuit will only need to provide roughly 140mA of current?
Unlike most light sources, lasers are rated on output power, not input power
__________________
A problem well stated is a problem half solved.
Cyparagon is online now   Reply With Quote
Old 09-24-2010, 02:47 PM #13
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
jawsykilla jawsykilla is offline
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
Default Re: My driver does not work??? WHY!!???

Okay thank you Cyparagon. I've just tested my driver with a dummy load of 4 1n4001 diodes and a 1ohm resistor. Now testing V across all three diodes gave me a pd of about 2.99 volts. Then testing mV across the resistor gave me about 34.5mV. Are these values within the correct range? also my potentiometer does nothing. Why is this? I'm sure i have it wired correctly.
Cheers,
Jordan
jawsykilla is offline   Reply With Quote
Old 09-24-2010, 03:05 PM #14
Toke's Avatar
Class 3R Laser
 
Join Date: Jul 2010
Location: Copenhagen
Posts: 1,111
Rep Power: 51
Toke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond repute
Toke Toke is offline
Class 3R Laser
Toke's Avatar
 
Join Date: Jul 2010
Location: Copenhagen
Posts: 1,111
Rep Power: 51
Toke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond reputeToke has a reputation beyond repute
Default Re: My driver does not work??? WHY!!???

Quote:
I'm sure i have it wired correctly.
I am not , but it is quite difficult to do fault finding without diagrams of pictures.
__________________
100mW Odicforce kit.
App. 300mw MiniMag
App 120mW labby
Fan cooled 400mA 12X 405nm flashlight

532nm 150mW Labby.
532nm 50mW in flashlight

1.2W 445nm Yobresal
Basic laser building guide.
Toke is offline   Reply With Quote
Old 09-24-2010, 03:23 PM #15
Class 1 Laser
 
Join Date: Sep 2010
Location: uk
Posts: 57
Rep Power: 7
dasraiser will become famous soon enough
dasraiser dasraiser is offline
Class 1 Laser
 
Join Date: Sep 2010
Location: uk
Posts: 57
Rep Power: 7
dasraiser will become famous soon enough
Default Re: My driver does not work??? WHY!!???

Quote:
Originally Posted by jawsykilla View Post
also my potentiometer does nothing. Why is this? I'm sure i have it wired correctly.
Cheers,
Jordan
hi, it looks like your pot is not connected correctly , it looks like from your pic the outer tracks are connected together, look at this pic

http://www.rog8811.com/1K%20to%20100R.jpg

the wiper (center pin) should be connected to one outer leg and form one side of the pot and the other leg becomes the other side of the pot, think of it like this, current always tries to take the path of least resistance.

hope this helps
__________________
Current project:-
DIY scanning galvo
so far have basic idea for driver and feed back position, just working out coils and layout.
dasraiser is offline   Reply With Quote
Old 09-24-2010, 03:49 PM #16
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
jawsykilla jawsykilla is offline
Junior Member
 
Join Date: Mar 2010
Location: Nottingham, England
Posts: 18
Rep Power: 0
jawsykilla is on a distinguished road
Send a message via Skype™ to jawsykilla
Default Re: My driver does not work??? WHY!!???

Thanks dasraiser I can't believe I could overlook that so easily. I was in an excited rush when building the circuit however anyways now my pot does work and alters the current greatly. The minimum reading i get across the 1 ohm resistor is 0.10mV which I am told in this Dummy Load it is equivalent to the current supplied so at least resistance i get about 150mA. Now, my laser diode specs say it operates at 2.2v. When I take a reading across the 4 1n4001s i get just over 3v and when i measure across 3 1n4001s i get 2.32v. Is this cause for concern?
Cheers,
Jordan
jawsykilla 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 11:55 PM.


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