Solid-state laser apparatus and method with second harmonic wave

Details Solid-state laser apparatus and method with second harmonic wave Solid-state laser apparatus and method with second harmonic wave

1998-03-13

2000-08-29

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Nonlinear device

372 98, 372 92, H01S 310

Patent

active

061119008

ABSTRACT:
A solid-state laser apparatus and method in which a laser crystal and a non-linear optical crystal are connected and unitarily combined by a spacer. An optical resonator is constructed between both ends thereof. An optical cavity where the laser light passes through is formed between the laser crystal and the non-linear optical crystal. An end surface of the laser crystal is treated by optical polishing to form a laser resonator in the optical cavity. Alignment between the crystal becomes unnecessary, and subsequent assembling is thus simplified. Fresnel reflection occurs on the end surface of a laser crystal treated only by the optical polishing due to an index of refraction coefficient difference.

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