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Optics Letters

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  • Vol. 28, Iss. 21 — Nov. 1, 2003
  • pp: 2106–2108

TEM00 terawatt amplification by use of micro-optic spatial mode conversion

Anthony DiChiara, Enam A. Chowdhury, George Ongadi, Barry C. Walker, and Robert S. Tamosaitis  »View Author Affiliations


Optics Letters, Vol. 28, Issue 21, pp. 2106-2108 (2003)
http://dx.doi.org/10.1364/OL.28.002106


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Abstract

Micro-optic technology is used in a terawatt multipass Ti:sapphire amplifier to convert high-multimode, 532-nm radiation from an unstable resonator Nd:YAG laser into a TEM<sub>00</sub> amplified output without sacrificing the amplifier-to-pump energy conversion efficiency. Experimental measurements and Fourier analysis of the spatial mode show a 3.8-fold increase in the peak irradiance and an order-of-magnitude improvement in the spatial contrast.

© 2003 Optical Society of America

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(220.1000) Optical design and fabrication : Aberration compensation
(230.3990) Optical devices : Micro-optical devices
(320.7090) Ultrafast optics : Ultrafast lasers

Citation
Anthony DiChiara, Enam A. Chowdhury, George Ongadi, Barry C. Walker, and Robert S. Tamosaitis, "TEM00 terawatt amplification by use of micro-optic spatial mode conversion," Opt. Lett. 28, 2106-2108 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-21-2106


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