Pr:PAYAC! Yeah, that's right... And I'm not talking about the city next to Chernobyl.
This exotic crystal was brought to my attention by this thread... http://www.photonlexicon.com/forums/...read.php/15063
....And sounds very interesting. Yeah, the crystal and multi-wavelength optics may be expensive and outputs are low gain. Hell, may be worth it for the 640nm wavelength alone.
The best part is.... It's pumped with freaking Ca$io diodes!![]()
This has got to be the coolest thing I've seen since cheap 445!
Check out this PDF and discuss.... http://www.hzdr.de/db/Cms?pOid=29566