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Optics Letters

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  • Vol. 28, Iss. 7 — Apr. 1, 2003
  • pp: 504–506

Conversion of a high-order mode beam into a nearly Gaussian beam by use of a single interferometric element

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


Optics Letters, Vol. 28, Issue 7, pp. 504-506 (2003)
http://dx.doi.org/10.1364/OL.28.000504


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Abstract

We present a new, compact, and practical optical mode converter that efficiently transforms a high-order Hermite–Gaussian (HG) laser beam into a nearly Gaussian beam. The mode converter is based on coherently adding different transverse parts of the high-order mode beam by use of a single planar interferometric element. The method, configuration, and experimental results obtained with a pulsed Nd:YAG HG TEM<sub>10</sub> laser beam are presented. The results reveal that the efficiency of conversion of a HG beam to a nearly Gaussian beam can be as high as 90%.

© 2003 Optical Society of America

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

Citation
A. A. Ishaaya, G. Machavariani, N. Davidson, A. A. Friesem, and E. Hasman, "Conversion of a high-order mode beam into a nearly Gaussian beam by use of a single interferometric element," Opt. Lett. 28, 504-506 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-7-504


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References

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  9. A. E. Siegman, Proc. SPIE 1224, 2 (1990).

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