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Old school, I know, but these would be big enough...   Kinda hefty cool like. maglite.com/product.asp?psc=3DCELL

Re: FS: Cyonics (Uniphase) Argon (488nm) Dave, What kind of beam stability does it have? TEM00 I assume? Thanks, Kristopher

Hey all, I was just given two HeNe lasers.  They are off brand and have rated max power of 30mW and 20mW.  Using a molectron PM,  they only put out about ~4mW each.  They have the original power supplies and the keys/lights/etc needed. My question is how much work is it (or is it even...

Looks neat.  Anybody on the US supplier? Sorry, check that.... I misread Switch above.

Re: FS: Cyonics (Uniphase) Argon (488nm) Gotcha.  I've always used water cooled ones.  Thanks Dave. Kristopher

Re: FS: Cyonics (Uniphase) Argon (488nm) Dave, Just curious, what's this for?

Hi all.  Since I am new here, I thought I'd post a little about myself. I work as a researcher at a university doing solar cell research.  We use lots of lasers, and just recently wanted to add one as a thickness monitor. So, I was looking for a good blue laser diode.  Thor labs and digikey...

Re: Idiot with a 5mw red laser in my math class :< Just FYI, Wikipedia has a pretty good run down of laser safety.  If you assume that the beam diameter was ~5mm, 5mW (probably less) then the W/cm2 is 0.025W/cm2.  At 633, they must assume that your blink reflex will save you, even though it is...