Solid state laser optimized for multimode operation

Details Solid state laser optimized for multimode operation Solid state laser optimized for multimode operation

1995-12-22

1997-07-01

Scott, Jr., Leon

Coherent light generators

Particular resonant cavity

372 93, 372 98, 372 97, 372 19, 372 6, 372 41, H01S 308

Patent

active

056445890

ABSTRACT:
Two solid state laser structures are provided which are optimized for multimode operation. The first laser structure has a plurality of normal incidence optically transmissive surfaces in the laser cavity. The most reflective one of those normal incidence surfaces is disposed at the optical center of the laser cavity. The gain medium is centered in the subcavity defined by a cavity mirror and the optical center. In the second laser structure, there are no normal incidence surface in the laser cavity, and the gain medium is disposed at the optical center of the laser cavity. The laser structures are employed to construct erbium glass lasers which are not only optimized for multimode operation but also have effective cooling of the gain medium and minimized thermal lensing effect.

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