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Old 01-24-2014, 11:28 PM #49
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Default Re: Medical Flight Hit by Laser!

At 350ma it was giving around 240mw. I got it up to 700mw at well over 1a , so it must have been just a current spec mistake then?

I assume ir is not efficient enough to achieve 500 at 350 if you can confidently say that?


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Old 01-25-2014, 12:36 AM #50
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Default Re: Medical Flight Hit by Laser!

The best IR diodes can do is 60% or so, last time I checked. but that is only attainable in large diode bars. 40% would be more typical of a small diode. A rule of thumb (ignoring threshold of course) might be something like 0.8-0.9 mW per mA.
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Old 01-25-2014, 12:45 AM #51
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Default Re: Medical Flight Hit by Laser!

Thank you. Makes perfect sense getting the results I did then. I thought maybe I had damaged the diode.
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445nmWicked Laser EVO E2 Custom M140 G2 1580mw*
520nm Sipik 125mw*
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Old 01-26-2014, 08:32 AM #52
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Default Re: Medical Flight Hit by Laser!

Looking at the spot patterns of DPSS green lasers, the IR from those greenies diverges rapidly except for a little of the beam that is within the green portion. The green component will be the most dangerous part of the beam, but more so because of the flash-blinding at those distances and time of night, rather than the eye-damaging power from the laser itself.
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