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Phase Conjugate Optics

AuYeung, J. and Yariv, A. (1979) Phase Conjugate Optics. In: Laser Spectroscopy IV. Springer Series in Optical Sciences. No.21. Springer Berlin Heidelberg , Berlin, Heidelberg, pp. 492-503. ISBN 9783662134955.

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A new research area in coherent optics has emerged and has been receiving increasing attention from many scientists as its important applications are recognized. Phase conjugate optics is the name which seems to have attached itself to this new field. The main feature of phase conjugate optics is the generation of an electromagnetic wave with a phase distribution which is, at each point in space, the reversal of that of an arbitrary incoming monochromatic wave. The wavefront, after being generated, proceeds to propagate in the opposite direction, retracing in reverse the path of the incoming wave. Thus, the phase reversal or conjugation process results in what is frequently called a time-reversed replica of the incident wave. If we consider, as an example, an incoming spherical wavefront which, diverging from a point, has a radius of curvature R, its conjugate-replica will be an outgoing spherical wavefront converging toward the same point and with a radius of curvature -R. Phase conjugation techniques have been used in the past for imaging through phase distorting media; well known examples can be found in holography [1] and adaptive optical systems [2]. The new and attractive feature, which differentiates phase conjugate optics from the previous techniques, is the use of nonlinear optical mixing to generate in real time without the need for intermediate electronics, and with amplification if desired, a time-reversed replica of an incident wave.

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Additional Information:© Springer-Verlag Berlin Heidelberg 1979. Research supported by the Army Research Office. Durham, N.C. We wish to acknowledge the significant contribution of D. Fekete and D.M. Pepper to this work.
Funding AgencyGrant Number
Army Research Office (ARO)UNSPECIFIED
Subject Keywords:Incident Wave; Pump Beam; Pump Wave; Signal Beam; Nonlinear Polarization
Series Name:Springer Series in Optical Sciences
Issue or Number:21
Record Number:CaltechAUTHORS:20201007-081704212
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:105854
Deposited By: George Porter
Deposited On:07 Oct 2020 16:51
Last Modified:16 Nov 2021 18:47

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