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From what I have read, the frequency doubling mechanism is pretty intricate in these devices, and is based on a raman transition. Could someone explain the science behind these lasers?

What would be your price for a PHR diode, harvested only?

Greetings. I was wondering if you would sell me an aixiz module with the aixiz 405 lens. How much would that cost?

Greetings. On a side note to my laser hobby, I would like to purchace a 20mw labby on behalf of my brother, for use as a laser show. It will be running 24/7, so it needs to have a good mttf rating. The only cap is the price: it needs to be less than 150 euro. Does anyone have some information...

Thanks for the help. I will probably buy a 22x burner this week, and see what happens. On a side note, can you suggest a way to fabricate a laser module? I have a handful of different lenses, but need a way to house and heatsink the diode, as well as provide adjustable focus. threaded copper...

I cannot post photos, because my camera is out of commission (dead ccd). I chose a current of 250ma. As for the losses, I can only use my mark 1 eyeballs at this point.:crackup: The diode was outputting enough to smoke tape, when It was at the focal length.

It appears that I was overhasty. The diode went LED in about 30 seconds. After having done an autopsy, It appears that it was an open can, short die. The sled proved to be quite lossy, by about 40%. (judging by my 1mw laser pointer). Ah well, now I will try to acquire a 22x, and drive it at...

Thanks for your help! It seems that the diodes are lcc. After searching the forums, it seems that 250 ma at 3v would be quite a safe current.

Greetings to All. I have recently scored two drives on the flea market for 5 euro apiece. One is a CD writer (can read dvd's) and one is a 12x dvd writer (!!). I plan to use the optical sled from the 12x in conjunction with A lm317 driver to form a factory-collimated labby of sorts. Because of...