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Rowe CH, Schreiber UK, Cooper SJ, et al. Design and operation of a very large ring laser gyroscope. Appl Opt. 1999;38(12):2516-23doi: 10.1364/ao.38.002516.
Rowe, C. H., Schreiber, U. K., Cooper, S. J., King, B. T., Poulton, M., & Stedman, G. E. (1999). Design and operation of a very large ring laser gyroscope. Applied optics, 38(12), 2516-23. https://doi.org/10.1364/ao.38.002516
Rowe, C H, et al. "Design and operation of a very large ring laser gyroscope." Applied optics vol. 38,12 (1999): 2516-23. doi: https://doi.org/10.1364/ao.38.002516
Rowe CH, Schreiber UK, Cooper SJ, King BT, Poulton M, Stedman GE. Design and operation of a very large ring laser gyroscope. Appl Opt. 1999 Apr 20;38(12):2516-23. doi: 10.1364/ao.38.002516. PMID: 18319821.
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Appl Opt. 1999 Apr 20;38(12):2516-23. doi: 10.1364/ao.38.002516.

Design and operation of a very large ring laser gyroscope.

Applied optics

C H Rowe, U K Schreiber, S J Cooper, B T King, M Poulton, G E Stedman

Affiliations

  1. Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand.

PMID: 18319821 DOI: 10.1364/ao.38.002516

Abstract

The design and initial operation of a vertical square He-Ne ring laser G0 with a perimeter of 14 m is discussed. This builds on earlier demonstrations of the feasibility of large ring lasers (perimeter approximately 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).

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