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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 18 — Jun. 20, 2002
  • pp: 3634–3637

Laser operation with two orthogonally polarized transverse modes

Ram Oron, Liran Shimshi, Shmuel Blit, Nir Davidson, Asher A. Friesem, and Erez Hasman  »View Author Affiliations


Applied Optics, Vol. 41, Issue 18, pp. 3634-3637 (2002)
http://dx.doi.org/10.1364/AO.41.003634


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Abstract

Laser resonator configurations, which enable laser operation with two orthogonally polarized transverse modes, are presented. The intensity distributions of these two modes can be chosen to be complementary, so the gain medium can be exploited more efficiently than with a single mode, leading to improved output power. Moreover, the two modes can be combined and efficiently transformed into a single high-quality beam. Basic principles and experimental results with Nd:YAG lasers are presented.

© 2002 Optical Society of America

OCIS Codes
(140.3300) Lasers and laser optics : Laser beam shaping
(140.3410) Lasers and laser optics : Laser resonators
(140.3570) Lasers and laser optics : Lasers, single-mode
(260.5430) Physical optics : Polarization

History
Original Manuscript: August 31, 2001
Revised Manuscript: February 21, 2002
Published: June 20, 2002

Citation
Ram Oron, Liran Shimshi, Shmuel Blit, Nir Davidson, Asher A. Friesem, and Erez Hasman, "Laser operation with two orthogonally polarized transverse modes," Appl. Opt. 41, 3634-3637 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-18-3634


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References

  1. R. Oron, N. Davidson, A. A. Friesem, E. Hasman, “Continuous phase elements can improve laser beam quality,” Opt. Lett. 25, 939–941 (2000). [CrossRef]
  2. K. M. Abramski, H. J. Baker, A. D. Colley, D. R. Hall, “Single-mode selection using coherent imaging within a slab wave-guide CO2-laser,” Appl. Phys. Lett. 60, 2469–2471 (1992). [CrossRef]
  3. A. P. Kol’chenko, A. G. Nikitenko, Y. K. Troitskii, “Control of the structure of transverse laser modes by phase shifting masks,” Sov. J. Quantum Electron. 10, 1013–1016 (1980). [CrossRef]
  4. M. Rioux, P. A. Belanger, M. Cormier, “High-order circular-mode selection in a conical resonator,” Appl. Opt. 16, 1791–1792 (1977). [CrossRef] [PubMed]
  5. R. Oron, Y. Danziger, N. Davidson, A. A. Friesem, E. Hasman, “Discontinuous phase elements for transverse mode selection in laser resonators,” Appl. Phys. Lett. 74, 1373–1375 (1999). [CrossRef]
  6. A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 647.
  7. Note, due to the orthogonality of Laguerre–Gaussian modes, without the absolute value, zero would be obtained for any two different modes. The orthogonality, however, does not express the mode overlap.
  8. G. Giuliani, P. Ristori, “Polarization flip cavities: a new approach to laser resonators,” Opt. Commun. 35, 109–112 (1980). [CrossRef]
  9. M. Trobs, J. E. Balmer, T. Graf, “Efficient polarised output from a unidirectional multi-rod Nd:YVO4 ring resonator,” Opt. Commun. 182, 437–442 (2000). [CrossRef]
  10. R. Oron, S. Blit, N. Davidson, A. A. Friesem, Z. Bomzon, E. Hasman, “The formation of laser beams with pure azimuthal or radial polarization,” Appl. Phys. Lett. 77, 3322–3324 (2000). [CrossRef]

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