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I just harvested around 4 diodes from 1 drive and i found a weird flat one. I didn't want to hook it up to a power supply because i might burn it out but here are some puctures These pictures are taken from my digital microscope so they seem large but it is 3mmX9mmX8mm

I am thinking of using my old work goggles and putting 2 red plastics that filter out around 90% of green light as my safety goggles. After attaching an IR filter, then my goggles should be safe right?

what wavelength IR does blu ray lasers emit? i know that green emits 1064 but does purple emit 810?

I am looking for one that has like an aluminum cap thing that you can screw off that connects the led to the battery.

I bought this, DealExtreme: $13.99 UltraFire A10B Cree R2-WC HA-III 5-Mode 250-Lumen LED Flashlight (1*18650) and it is a 5 mode flashlight. I plan to install my 100 mW green module inside. But i need to ask, does the switch control the brightness and blinking mode or does the circuitry...

I need a 1064 nm filter/blocker for my laser pointer, Is there anyone or anywhere i can buy the filter from? im willing to spend around 1$ for one

I am buying a laser housing in a small flashlight style that is flashlight style. I want it to be clicky, 1x Cr123 and i want it to sorta look like this $21.66 New Keychain Green Beam Laser Pointer Pen Flashlight 30mW/50mW/100mW - BudgetGadgets.com or sorta like this DealExtreme: $15.51...

ok so i just made a 120 mW green laser and it is inside a 2 AAA housing. It requires <600mA and 3-3.6 volts. I plan on using rechargable batteries which are 1.2 volts each... Will it make it more dim? and are there 1.5 volt rechargable batteries?

I Can't find laser warning stickers that are for green lasers and arent over 20$ or like 1$. Im planning on spending like 50 cents each or something. Help plz

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Hi, i recently bought this 50mW Green Laser Diode Module Industrial DIY for Kit - eBay (item 320461204424 end time Jan-10-10 03:12:44 PST) and the seller says that the beam is "spread out" and at 10 feet, it is 18 mm dot. How do i collimate coherent light? what lens can i use? LInks plz o_0...

Hi i bought this 50mW Green Laser Diode Module Industrial DIY for Kit - eBay (item 320461204424 end time Jan-10-10 03:12:44 PST) and it says they dont come with lenses -_- Now where do i buy lenses for that? otherwise it will be like a flashlight and it wont be a beam. please help :(:tired...