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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 21, Iss. 3 — Feb. 1, 1996
  • pp: 186–188

Direct measurement of photoinduced charge distribution responsible for second-harmonic generation in glasses

Jae H. Kyung and N. M. Lawandy  »View Author Affiliations


Optics Letters, Vol. 21, Issue 3, pp. 186-188 (1996)
http://dx.doi.org/10.1364/OL.21.000186


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Abstract

We have found that borosilicate glasses that produce second-harmonic generation after simultaneous irradiation by fields at ω and 2ω exhibit postexposure selective etching. We use the charge specificity of the selective etching process to spatially map the photoexcited electron distributions responsible for second-harmonic generation. The results show that nearly symmetric nondipolar charge distributions exist for some regimes of encoding and that, at higher intensities, a nearly dipolar distribution is produced.

© 1996 Optical Society of America

History
Original Manuscript: September 15, 1995
Published: February 1, 1996

Citation
Jae H. Kyung and N. M. Lawandy, "Direct measurement of photoinduced charge distribution responsible for second-harmonic generation in glasses," Opt. Lett. 21, 186-188 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-3-186

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