Coherent light generators – Particular resonant cavity – Specified cavity component
Patent
1994-04-28
1995-06-20
Bovernick, Rodney B.
Coherent light generators
Particular resonant cavity
Specified cavity component
372107, H01S 308
Patent
active
054266629
ABSTRACT:
A laser system is disclosed which is capable of selectively generating radiation at two competing wavelength regions. A gas discharge tube is provided which includes krypton as the lasing medium. A primary mirror is mounted at one of the tube. A switchable mirror assembly is mounted at the other end of the tube. The mirror assembly includes a frame. A cradle is pivotally mounted in the frame and is rotatable between two angular positions. A pair of mirrors are mounted to the cradle in a manner such for each of the two angular positions of the cradle, one of the two mirrors is in optical alignment with discharge tube. Each of the mirrors is provided with a wavelength selective coating which permits operation of the laser at different wavelengths. In the preferred embodiment used for ophthalmic applications, the laser can selectively generate red light or light in the yellow/green regime.
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Kolb William P.
Mefferd Wayne S.
Bovernick Rodney B.
Coherent Inc.
Stallman Michael A.
Wise Robert E.
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