Laser beam processing apparatus

Details Laser beam processing apparatus Laser beam processing apparatus

1989-05-30

1990-07-31

Sikes, William L.

Coherent light generators

Particular resonant cavity

Folded cavity

372 92, 372 87, 372 61, 372 66, H01S 3083, H01S 303, H01S 307

Patent

active

049455478

ABSTRACT:
A laser beam processing apparatus includes a body providing a generally cylindrical bounding structure for a cavity. A window allows admission of an incident light beam into the cavity and emission of a laser beam from the cavity. A plurality of reflectors are arranged to sequentially reflect the light beam and/or light generated thereby along a light path which is generally polygonal as viewed from an end of the cavity. Laser material is disposed in the light path whereby the light generated by the light beam includes light which is derived by stimulated emission from the laser material.

REFERENCES:
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patent: 3308395 (1967-03-01), Sorokin
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patent: 4039962 (1977-08-01), Hughes
patent: 4093924 (1978-06-01), Farcy
patent: 4744090 (1988-05-01), Freiberg
patent: 4779286 (1988-10-01), Wheatley
patent: 4815094 (1989-03-01), Cantoni

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