Design and operation of a very large ring laser gyroscope

被引：49

作者：

Rowe, CH

Schreiber, UK

Cooper, SJ

King, BT

Poulton, M

Stedman, GE

机构：

[1] Univ Canterbury, Dept Phys & Astron, Christchurch 1, New Zealand

[2] Fundamentalstn Wettzell, Forschungseinrichtung Satellitengeodasie, D-93444 Kotzting, Germany

来源：

APPLIED OPTICS | 1999年 / 38卷 / 12期

关键词：

D O I：

10.1364/AO.38.002516

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The design and initial operation of a vertical square He-Ne ring laser GO with a perimeter of 14 m is discussed. This builds on earlier demonstrations of the feasibility of large ring lasers (perimeter similar to 4 m) for single-mode gyroscope operation and with lesser pulling than navigation gyroscopes. With servoing of the rf excitation to yield single-mode operation, G0 gave a quality factor 1 x 10(12) and a Sagnac line with a frequency of 287.8 +/- 1.0 Hz induced by Earth rotation Omega(E). This has confirmed some vital questions over the feasibility of very large gyroscopes for geodetic measurements at the level of 10(-9) Omega(E). (C) 1999 Optical Society of America.

引用

页码：2516 / 2523

页数：8

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