Optical: systems and elements – Extended spacing structure for optical elements – Extension of tubular element adjustable
Patent
1998-02-12
1999-11-16
Spyrou, Cassandra
Optical: systems and elements
Extended spacing structure for optical elements
Extension of tubular element adjustable
359483, 359501, 359900, 372 27, 372 34, 372106, G02B 530, H01S 308
Patent
active
059868058
ABSTRACT:
A polarizer/modulator assembly (10) including a polarizing unit (12) and a modulator unit (14) that are selectively and independently positionable within a resonator cavity of a solid state diode slab laser. The polarizing unit (12) includes a pair of polarizing elements (32, 34) positioned in a "V-shaped" configuration so that both elements (32, 34) are positioned at Brewster's angle with respect to the beam path to combine to polarize the light in the same direction. The combination of the polarizing elements (32, 34) eliminates beam deflection when the polarizer unit (12) is inserted into the beam path. The polarizing elements (32, 34) are mounted in a metal housing (30) that captures rejected light from the polarizing elements (32, 34). The housing (30) includes a cooling tube (52) to control temperature of the housing (30) during temperature build-up caused by the rejected light.
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Burchman David A.
Szot John A.
Zamel James M.
Jr. John Juba
Spyrou Cassandra
TRW Inc.
Yatsko Michael S.
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