Non-Gaussian modes in a HeNe laser
Optics Express, Vol. 17, Issue 24, pp. 21427-21432 (2009)
http://dx.doi.org/10.1364/OE.17.021427
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Abstract
Single transverse mode oscillation is realized in a conventional HeNe laser outside the stability region of the optical resonator. Depending on the mirror separation different spatial modes can be generated. The mode volume of these modes is laterally limited by the diameter of the discharge capillary rather than by the beam waist of a stable Gaussian mode. Numerical solution of the Maxwell equations with appropriate boundary conditions shows good agreement with the observations. Such modes could potentially facilitate single transverse mode operation of waveguide lasers and fiber lasers.
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OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.1340) Lasers and laser optics : Atomic gas lasers
(140.3410) Lasers and laser optics : Laser resonators
(140.3570) Lasers and laser optics : Lasers, single-mode
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: September 14, 2009
Revised Manuscript: November 2, 2009
Manuscript Accepted: November 4, 2009
Published: November 10, 2009
Citation
Jes Henningsen, "Non-Gaussian modes in a HeNe laser," Opt. Express 17, 21427-21432 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-24-21427
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References
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- E. A. J. Marcatili and R. A. Schmeltzer, “Hollow Metallic and Dielectric Waveguides for Long Distance Optical Transmission and Lasers,” Bell Syst. Tech. J. 43, 1783–1809 (1964).
- R. Gerlach, D. Wei, and N. M. Amer, “Coupling Efficiency of Waveguide Laser Resonators Formed by Flat Mirrors: Analysis and Experiments,” IEEE J. Quantum Electron. 20(8), 948–963 (1984). [CrossRef]
- J. Henningsen, M. Hammerich, and A. Olafsson, “Mode Structure of Hollow Dielectric Waveguide lasers,” Appl. Phys. B 51(4), 272–284 (1990). [CrossRef]
- D. A. Eastham, Atomic Physics of Lasers (Taylor & Francis, 1986).
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