Study of performance of a He-Ne laser having an annular gain zone
Applied Optics, Vol. 46, Issue 4, pp. 591-601 (2007)
http://dx.doi.org/10.1364/AO.46.000591
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Abstract
A He–Ne laser with an annular gain zone is studied theoretically. It is demonstrated that the He–Ne medium in the annular discharge zone possesses enough gain to maintain laser oscillation. A multipass ring resonator, which is composed of two annular spherical mirrors, is described, and it is shown that the resonator is suitable for extracting optical energy from the He–Ne medium in the annular gain zone. Considering the availability of population inversion in the traveling-wave cavity and the influence of the crossover of the folded light beam in the resonator on the output power, a calculation formula for the output power of the laser with the multipass ring resonator is given. Calculating results prove that a 1 W output of the He–Ne laser can be obtained by a
© 2007 Optical Society of America
OCIS Codes
(140.1340) Lasers and laser optics : Atomic gas lasers
(140.3410) Lasers and laser optics : Laser resonators
(140.3560) Lasers and laser optics : Lasers, ring
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: April 3, 2006
Revised Manuscript: July 31, 2006
Manuscript Accepted: August 19, 2006
Citation
Yude Li, Mei Chen, Zheng Li, Jinglun Liu, Junping Guo, and Yuanjie Yang, "Study of performance of a He-Ne laser having an annular gain zone," Appl. Opt. 46, 591-601 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-4-591
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