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Old 10-18-2013, 04:16 PM #17
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Default Re: Best laser diode for night vision optics

Amazon.com: Yukon YK28041 Digital Ranger 5 x 42 Night Vision Monocular: Sports & Outdoors


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Old 10-18-2013, 04:32 PM #18
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Default Re: Best laser diode for night vision optics

oh nice! $125 is a real good price, i used the yukon MPR

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Old 10-19-2013, 04:58 AM #19
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Default Re: Best laser diode for night vision optics

High-powered single-mode infrared VCSEL diode may be a good idea, but still, how about the eye safety? That's the only question. So, 1 or 3 Watts 850nm IR LED may be better for safety reasons. (P. S. IR VCSEL over 100mW is difficult to find - been having trouble finding ones, whenever I found it and asked, all I got was a NO.)

Also, I am not surprised about line in the IR vision video as I had 200mW 808nm IR laser diode, any multi-mode, multi-emitter diode will do that.
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Old 10-19-2013, 05:31 AM #20
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Default Re: Best laser diode for night vision optics

Yes but we are discussing single emitter diodes, and the M140 is nowhere near that bad.
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Old 10-19-2013, 05:36 AM #21
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Default Re: Best laser diode for night vision optics

True.

I personally would just experiment with optics until I can shrink the line into circle (hard and pricey but may be the best solutions for some fincky hardware such as IR camera), or just try a few diodes until I can find one acceptable.

P.S. Duh, I forgot about the fiber-coupled laser diode. It may provide better result since the fiber forces the laser emissions into single mode (depending on core diameter). eBay might have a few you can try. Be sure to try with "sealed" lense module as you want it to be spreaded out to the surface to be illuminated.
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Old 10-20-2013, 09:23 AM #22
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Default Re: Best laser diode for night vision optics

I was convinced that it will be easier to find the laser diode is I saw illuminator who had installed a laser diode for example something like this: Laser IR Illuminator Dipol for Night Vision Scope Dovetail Mount 850 New | eBay ie whether anyone knows what the diodes installed in such devices?
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