High-speed turbulence aberration correction with high-gain optical phase conjugation in sodium

V. S. Sudarshanam; M. Cronin-Golomb; P. R. Hemmer; P. R. Hemmer; M. S. Shahriar; M. S. Shahriar

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 1997),
paper CThD5

High-speed turbulence aberration correction with high-gain optical phase conjugation in sodium

V. S. Sudarshanam, M. Cronin-Golomb, P. R. Hemmer, and M. S. Shahriar

Conference on Lasers and Electro-Optics 1997

Baltimore, Maryland United States
18–23 May 1997
ISBN: 1-55752-498-8

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Novel Optics and Sensors (CThD)

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V. S. Sudarshanam, M. Cronin-Golomb, P. R. Hemmer, and M. S. Shahriar, "High-speed turbulence aberration correction with high-gain optical phase conjugation in sodium," in Conference on Lasers and Electro-Optics, D. Killinger, G. Valley, C. Chang-Hasnain, and W. Knox, eds., Vol. 11 of OSA Technical Digest (Optica Publishing Group, 1997), paper CThD5.

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Abstract

High speed, cw optical phase conjugation (OPC) with high-gain was recently demonstrated in sodium vapor¹ using coherent population trapping² (CPT). In this paper we demonstrate the direct application of this OPC, based on CPT, to correct fast temporal and spatial aberrations produced by a turbulent helium gas jet in air, driven at an acoustic resonance. The idea of turbulence aberration correction with use of phase conjugation is well known.³ However, to our knowledge, this is the first demonstration of both high speed and high gain aberration correction with use of low-intensity cw pump laser beams.

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