> > Laser diodes in that wavelength range can reach up to about 5W. > Manufacturers include Spectra Diode Labs, JDS Uniphase, Melles Griot, > etc. True, but pricey, and as you mention, inconvenient beam shapes. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist