Semiconductor solid-state laser gyro having a vertical...

Details Semiconductor solid-state laser gyro having a vertical... Semiconductor solid-state laser gyro having a vertical...

2005-10-26

2010-02-16

Lee, Hwa S. A (Department: 2886)

Optics: measuring and testing

By light interference

Rotation rate

C356S460000

Reexamination Certificate

active

07663763

ABSTRACT:
A laser gyro includes a semiconductor medium and assembled discrete elements, thus offering the possibility of producing large cavities for achieving the desired precision. More precisely, the laser gyro includes an optical ring cavity and a semiconductor amplifying medium with an external cavity having a vertical structure. The semiconductor amplifying medium which is used in reflection includes a stack of plane gain regions that are mutually parallel, and the dimensions of the cavity being substantially are larger than those of the amplifying medium.

REFERENCES:
patent: 4405236 (1983-09-01), Mitsuhashi et al.
patent: 4431308 (1984-02-01), Mitsuhashi et al.
patent: 5960022 (1999-09-01), Halldorsson et al.
patent: 2004/0202222 (2004-10-01), Pocholle et al.
patent: 02/097370 (2002-12-01), None
patent: WO 02/097370 (2002-12-01), None

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