Measuring device having a laser and a ring resonator

Details Measuring device having a laser and a ring resonator Measuring device having a laser and a ring resonator

1988-04-13

1991-04-02

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

372 94, G01B 902, G01C 1964

Patent

active

050043420

ABSTRACT:
A measuring device for angular rates making use of the Sagnac-effect comprises a ring resonator (12) and a laser (10). The ring resonator (12) forms a part of the resonator cavity of the laser (10). Thereby no precautions to achieve an optical insulation between laser and ring resonator have to be taken. A semiconductor laser serves as laser. Different embodiments of the ring resonator having mirrors, an integrated optical system and a fiber optical system are described.

REFERENCES:
patent: 4405236 (1983-09-01), Mitsuhashi et al.
patent: 4661964 (1987-04-01), Haavisto
patent: 4681446 (1987-07-01), Yeh

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