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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 9 — Mar. 20, 2002
  • pp: 1685–1688

Design and initial operation of a 367-m2 rectangular ring laser

Robert W. Dunn, Dmitry E. Shabalin, Robert J. Thirkettle, Graeme J. MacDonald, Geoffrey E. Stedman, and K. Ulrich Schreiber  »View Author Affiliations


Applied Optics, Vol. 41, Issue 9, pp. 1685-1688 (2002)
http://dx.doi.org/10.1364/AO.41.001685


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Abstract

The design and operation of a proof-of-principle rectangular He-Ne ring laser resonator with a cavity perimeter of 77.0 m and an area of ∼367 m2 are described. With unevacuated beam lines this device gave an Earth-induced Sagnac frequency of 1513 Hz, with a relative Allan deviation over 1000 s down to 3 parts per million. The Earth’s rotation provided a bias that eliminated the lock-in susceptibility. The use of increased pressure in the plasma tube facilitated single-mode operation by increasing the homogeneous pressure-broadened linewidth.

© 2002 Optical Society of America

OCIS Codes
(000.2190) General : Experimental physics
(140.3560) Lasers and laser optics : Lasers, ring

History
Original Manuscript: January 17, 2001
Revised Manuscript: July 2, 2001
Published: March 20, 2002

Citation
Robert W. Dunn, Dmitry E. Shabalin, Robert J. Thirkettle, Graeme J. MacDonald, Geoffrey E. Stedman, and K. Ulrich Schreiber, "Design and initial operation of a 367-m2 rectangular ring laser," Appl. Opt. 41, 1685-1688 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-9-1685

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