Multiple wavelengths of green DPSS lasers.

It has been know by many for some time that some 532nm DPSS lasers produce multiple discrete green wavelengths. Because the information about this is sparse and spread out, this thread will hopefully serve as one place to compile some of the information etc.

The transitions responsible for the lasing in Nd:YVO4 is 4F3/2 --> 4I11/2.
The 4F3/2 has two levels: R1 and R2
The 4I11/2 has six levels: Y1 to Y6.


Currently the wavelengths that I have measured in Nd:YVO4 is: 537 nm, 542 nm, 545 nm, 549.5 nm and ~554 nm

And example of the transitions: Image may be NSFW.
Clik here to view.

Another slightly related paper: https://www.osapublishing.org/oe/ful...-4721&id=90064

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