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  • Vol. 27, Iss. 17 — Sep. 1, 2002
  • pp: 1501–1503

Efficient formation of a high-quality beam from a pure high-order Hermite-Gaussian mode

G. Machavariani, N. Davidson, A. A. Ishaaya, A. A. Friesem, and E. Hasman  »View Author Affiliations


Optics Letters, Vol. 27, Issue 17, pp. 1501-1503 (2002)
http://dx.doi.org/10.1364/OL.27.001501


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Abstract

We present a relatively simple method for efficiently transforming a single high-order mode into a nearly Gaussian beam of much higher quality. The method is based on dividing the mode into equal parts that are then combined coherently. We illustrate the method by transforming a Hermite–Gaussian (1, 0) mode with Mx2=3 into a nearly Gaussian beam with Mx2=1. 045 . Experimental results are presented and compared with theoretical results.

© 2002 Optical Society of America

OCIS Codes
(140.3300) Lasers and laser optics : Laser beam shaping
(230.1150) Optical devices : All-optical devices

Citation
G. Machavariani, N. Davidson, A. A. Ishaaya, A. A. Friesem, and E. Hasman, "Efficient formation of a high-quality beam from a pure high-order Hermite-Gaussian mode," Opt. Lett. 27, 1501-1503 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-17-1501


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References

  1. A. E. Siegman, Proc. SPIE 1224, 2 (1990).
  2. R. Oron, Y. Danziger, N. Davidson, and A. A. Friesem, Appl. Phys. Lett. 74, 1373 (1999).
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  11. It seems that the combined summation of two halves is smoother and more symmetric and hence resembles a Gaussian better than each half separately (see Fig.).
  12. J. B. Murphy, Opt. Commun. 165, 11 (1999).

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