Effect of low-power nonlinear refraction on laser-beam propagation in InSb

Abstract

By use of an expansion in Gaussian functions we solve the problem of the propagation of a laser beam that has been passed through a thin slab of nonlinearly refracting material. We compare the theoretical results for beam profile with experimental measurements for the semiconductor InSb and confirm that self-defocusing has been observed by D. A. B. Miller, M. H. Mozolowski, A. Miller, and S. D. Smith [Opt. Commun. 27, 133 (1978)]. The deduced value for the nonlinear refractive index at ~5 K is -6 x 10(-5) cm(2) W(-1) at 1886 cm(-1). This implies a third-order optical nonlinearity chi((3)) ~ 10(-2) esu, much larger than any previously reported for a solid.

Keywords

OpticsRefractive indexPhysicsRefractionLaserBeam (structure)SlabSelf-focusingNonlinear opticsNonlinear systemBeam propagation methodLaser beam qualityGaussianLaser beamsQuantum mechanics

Affiliated Institutions

Heriot-Watt University GB

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Publication Info

Year: 1979
Type: article
Volume: 4
Issue: 10
Pages: 331-331
Citations: 227
Access: Closed

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APA Style

                            
                                
                                    D. Weaire, 
                                
                                    B. S. Wherrett, 
                                
                                    David A. B. Miller
                                
                                et al.
                            
                            (1979). 
                            Effect of low-power nonlinear refraction on laser-beam propagation in InSb. 
                            Optics Letters
                            , 4
                            (10)
                            , 331-331.
                            https://doi.org/10.1364/ol.4.000331
                        

Identifiers

DOI: 10.1364/ol.4.000331