Frequency doubling a Q-switched laser beam by using intracavity

Details Frequency doubling a Q-switched laser beam by using intracavity Frequency doubling a Q-switched laser beam by using intracavity

1985-10-29

1987-01-13

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Nonlinear device

372 27, 372 21, 372 10, 307427, H01S 310

Patent

active

046370269

ABSTRACT:
A frequency doubler for a Q-switched laser is disclosed in which a Type II SHG crystal is oriented to generate a second harmonic frequency beam in response to the orthogonal components of a fundamental beam. After the fundamental beam makes a round trip through the SHG crystal, any differential phase delays between the orthogonal components due to birefringence are eliminated to improve the efficiency of the cavity.

REFERENCES:
patent: 4413342 (1983-11-01), Cohen et al.

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