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Optics Letters

Optics Letters


  • Vol. 24, Iss. 19 — Oct. 1, 1999
  • pp: 1367–1369

Near-field optical study of photorefractive surface waves in BaTiO3

Igor I. Smolyaninov and Christopher C. Davis  »View Author Affiliations

Optics Letters, Vol. 24, Issue 19, pp. 1367-1369 (1999)

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Near-field optical microscopy has been used to study photorefractive surface waves in BaTiO3. The field distribution of the photorefractive surface wave near the crystal–air interface has been measured and compared with theory. Experimental data indicate that a micrometer-wide transition layer with dielectric and photorefractive properties that are different from the properties of the bulk BaTiO3 exists near the interface.

© 1999 Optical Society of America

OCIS Codes
(180.5810) Microscopy : Scanning microscopy
(190.4350) Nonlinear optics : Nonlinear optics at surfaces
(190.5330) Nonlinear optics : Photorefractive optics
(240.6690) Optics at surfaces : Surface waves

Igor I. Smolyaninov and Christopher C. Davis, "Near-field optical study of photorefractive surface waves in BaTiO3," Opt. Lett. 24, 1367-1369 (1999)

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  1. G. S. Garcia Quirino, J. J. Sánchez-Mondragón, and S. Stepanov, Phys. Rev. A 51, 1571 (1995).
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  4. I. I. Smolyaninov, C. H. Lee, and C. C. Davis, “Giant enhancement of surface second harmonic generation in BaTiO3 due to photorefractive surface wave excitation,” Phys. Rev. Lett. (to be published). Paper available at http://xxx.lanl.gov/abs/cond-mat/9906252.
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