Re: SHG

Posted by Peng Xi-2 on
URL: http://confocal-microscopy-list.275.s1.nabble.com/Re-SHG-tp592071p592076.html

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I remember that BBO crystal has a certain acceptance angle, which means
that generating the blue doesn't necessarily mean optimized polarization
angle. You should try rotating the crystal to find the maximum
upconversion.

Cheers,
Peng
Institute for Laser Medicine and Biophotonics
Shanghai Jiao Tong University
800 Dongchuan Rd.
Shanghai 200240, China
Tel: [phone]
http://biophotonics.sjtu.edu.cn/



Sarah Kefayati wrote:

> Search the CONFOCAL archive at
> http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal
>
> Dear Craig,
>
> Thank you very much for the information.
>
> I aligned the crystal and I got the blue beam and I block the 2p with
> the filter.I didn't use any polarizer in the path.is it possible that
> I am not getting the highest value and I should use the polarizer or
> once I get the blue it means that my laser beam is polarized in the
> same way of the crystal and I don't need to try waveplate?
>
> Thanks
> Sarah
>
>  
>