Generation of femtosecond paraxial beams with arbitrary spatial distribution
Optics Letters, Vol. 35, Issue 5, pp. 652-654 (2010)
http://dx.doi.org/10.1364/OL.35.000652
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Abstract
We present an approach to generate paraxial laser beams with arbitrary spatial distribution in the femtosecond time regime. The proposed technique is based upon a pair of volume phase holographic gratings working in parallel arrangement. It exploits the spatial coherence properties of the incoming laser beam in a compact and robust setup that mitigates angular and spatial chirp. The gratings were recorded in a photopolymerizable glass with a high optical damage threshold and a large optical throughput. Setup performance is studied and experimentally demonstrated by generating Laguerre–Gaussian femtosecond pulses.
© 2010 Optical Society of America
OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(090.1760) Holography : Computer holography
(090.2890) Holography : Holographic optical elements
(090.7330) Holography : Volume gratings
(140.3300) Lasers and laser optics : Laser beam shaping
(160.6060) Materials : Solgel
(320.7090) Ultrafast optics : Ultrafast lasers
ToC Category:
Holography
History
Original Manuscript: October 26, 2009
Revised Manuscript: December 30, 2009
Manuscript Accepted: January 19, 2010
Published: February 22, 2010
Citation
Ó. Martínez-Matos, José A. Rodrigo, M. P. Hernández-Garay, J. G. Izquierdo, R. Weigand, M. L. Calvo, P. Cheben, P. Vaveliuk, and L. Bañares, "Generation of femtosecond paraxial beams with arbitrary spatial distribution," Opt. Lett. 35, 652-654 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-5-652
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