Direct frequency doubling to bet 488 blue?
Has anyone here ever tried doing direct frequency doubling using a high power single mode fiber fed laser diode and LBO / BBO / KTP etc say with a Laser diode like the 974 nm unit found here
" http://www.qpclasers.com/products_hpsml.html "
With the right optics to upcollimate then focus the beam spot within the non linear crystal you should be able to get a nice blue 488 nm output.
You would also have to keep the crystal thermally stable with a TEC but it should be possible .
Rick
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