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FrozenGate by Avery

Largest Wattage in Handheld Portable Laser?

qumefox said:
Still. For the purposes of this forum.. it's still not really possible to combine two 445's, or any other similar wavelength diodes with a dichro..
Click to expand...

Note to all, I deleted the post he's talking about because I realized his point just a few moments later. :yabbem: You're right though, considering the red dichro I mentioned was $245, and most of their stuff is that expensive or more, it's not really practical or possible.
 





I still could not find this very case (two sources) being discussed anywhere. Anyone has something ?
 
well I've seen a strange phenomenon some day when I has "playing" with optics.
I tuned down my PSU to 4.2v, 400mA. Got a weak 445 beam.

Then I put a biconvex lens on its front (far away). With no light, the results were so strange that I had to look down on my goggles, the light curved, like
. (blue dot = emitter)
. \ (blue lines = laser line in the air)
.. \__. (blue dot = on the wall)

I'll draw it sometime. I tried to get the beams together, but the two lasers were heating and I was afraid because they aren't using heatsink. I'll test more.

edit: oh it curved only some degrees. dunno why just a thought.
 
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it curves on the lens, as it touches the glass. I can control where the dot will "land", by moving the lens (the module stays fix).
 
I'm not sure I get it .. you are wondering why light refracts ?
 
if directed to me.. No.

I'm wondering if refraction can be used to combine beams, or make a stronger light output, something like that :P
 
I think he means he combined different wavelenths with a prism. I don't see how it could be used to combine identical wavelengths due to the diffraction angles being the same.

It would be like this pic only backwards. If you get the input angles right for your different individual input wavelengths, you'll get a single output beam of them combined.

prism.gif
 
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