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Green Diode






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You can't buy a green diode like the reds & blues, There is a whole assembly of a 808nm pump diode, crystals, & lenses that have to be put all precisely in line or it won't give off 532nm of laser light. Google SAM'S LASER FAQ rob :cool:
 
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^^^^ Not blue, just red and violet. Blue is even more complicated.
 
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It's all good, man.  You CAN buy blue diodes now, they are commercially available in 473 and possibly even 488nm now.  Really expensive and not being mass-produced, but very available.  Green diodes, on the other hand, are not commercially available, because they don't really exist.

A review for everyone of what is *generally* available for handheld lasers/pointers:

Available in single mode diodes:

IR - 808nm, hundreds of mW in 5.6mm cans readily available.
Red - 650nm, 300mW readily available in 5.6mm cans.
Orangish red - 635nm, a few tens of mW available in 5.6mm cans.
Violet - 405nm, 200mW or even a little higher readily available in 5.6mm cans.
Blue - 455nm, 473nm, and other such wavelengths, variable powers available in 5.6mm cans, but only through special order from manufacturers at huge prices.

Available in DPSS, in order of decreasing availability/increasing price

532nm green
473nm blue
593.5nm yellowish/orangish (depending on your eyes, basically)
And others, but these are generally what you find in laser pointers.
 
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phoenix77 said:
I meant what we are calling BLU-RAY (VIOLET) my bad :-[    rob :'(
I knew that you meant blu-ray, I just corrected you as to not confuse the newbie.
 




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