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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 10, Iss. 1 — Jan. 1, 1985
  • pp: 7–9

Gas-flow-induced controlled unidirectional operation of a CO2 ring laser

J. L. Boulnois, G. Bret, P. Cottin, A. Van Lerberghe, and Govind P. Agrawal  »View Author Affiliations


Optics Letters, Vol. 10, Issue 1, pp. 7-9 (1985)
http://dx.doi.org/10.1364/OL.10.000007


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Abstract

It is shown experimentally and theoretically that axial gas flow leads to controlled unidirectional operation of a CO2 ring laser. The direction of emission, clockwise or counterclockwise, can be selected by a slight tuning of the laser cavity (∼1% of the free spectral range). The flow velocity required for complete mode extinction depends on the relative magnitudes of the Doppler and homogeneous line widths and is ∼10 m/sec when the two are comparable.

© 1985 Optical Society of America

History
Original Manuscript: June 14, 1984
Manuscript Accepted: October 22, 1984
Published: January 1, 1985

Citation
J. L. Boulnois, Govind P. Agrawal, G. Bret, P. Cottin, and A. Van Lerberghe, "Gas-flow-induced controlled unidirectional operation of a CO2 ring laser," Opt. Lett. 10, 7-9 (1985)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-10-1-7

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