Green does not have ortho mode pol? Interesting.
Steve
> http://www.google.com/patents?id=mHwiAAAAEBAJ&printsec=abstract&zoom=4#v=onepage&q=&f=false
Interesting.... It's basically a transverse Zeeman laser.
I'll have to check the claim about ajacent modes at in 543.5 nm. They were
talking about mirror spacings of 40 cm where more than 2 modes could oscillate
though.
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