Frequency stabilized laser source

Details Frequency stabilized laser source Frequency stabilized laser source

2006-06-13

2009-12-15

Nguyen, Dung T (Department: 2828)

Coherent light generators

Particular beam control device

Nonlinear device

C372S022000, C372S029022, C372S038060, C372S105000, C372S106000

Reexamination Certificate

active

07633978

ABSTRACT:
A laser arrangement is provided, in which a Lyot filter arrangement is operative to effect single mode operation. The birefringent element of the Lyot filter arrangement has a cavity folding mirror on one side thereof and a polarizing element on another side thereof, such that the free spectral range of the Lyot filter is improved. Preferably, the Lyot filter arrangement and the laser gain material are located in different branches of the folded cavity.

REFERENCES:
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patent: 5381427 (1995-01-01), Wedekind et al.
patent: 5809048 (1998-09-01), Shichijyo et al.
patent: 6287298 (2001-09-01), Nighan et al.
patent: 6373868 (2002-04-01), Zhang
patent: 2003/0086466 (2003-05-01), Cox et al.
patent: 2006/0159136 (2006-07-01), Spiekermann
International Preliminary Report on Patentability with Written Opinion of the International Searching Authority dated Oct. 2, 2007 for International Patent Application No. PCT/SE2006/000697.

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