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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 4, Iss. 10 — Oct. 1, 1979
  • pp: 331–333

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

D. Weaire, B. S. Wherrett, D. A. B. Miller, and S. D. Smith  »View Author Affiliations


Optics Letters, Vol. 4, Issue 10, pp. 331-333 (1979)
http://dx.doi.org/10.1364/OL.4.000331


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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 × 10−5 cm2 W−1 at 1886 cm−1. This implies a third-order optical nonlinearity χ(3) ~ 10−2 esu, much larger than any previously reported for a solid.

© 1979 Optical Society of America

History
Original Manuscript: July 5, 1979
Published: October 1, 1979

Citation
D. Weaire, B. S. Wherrett, D. A. B. Miller, and S. D. Smith, "Effect of low-power nonlinear refraction on laser-beam propagation in InSb," Opt. Lett. 4, 331-333 (1979)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-4-10-331

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