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Optics Letters

Optics Letters

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  • Vol. 23, Iss. 15 — Aug. 1, 1998
  • pp: 1170–1172

Visualization of the nonlinear optical space-charge region of bulk thermally poled fused-silica glass

Thomas G. Alley and S. R. J. Brueck  »View Author Affiliations


Optics Letters, Vol. 23, Issue 15, pp. 1170-1172 (1998)
http://dx.doi.org/10.1364/OL.23.001170


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Abstract

We etched thermally poled fused-silica coverslips in 49% HF for 30 s transverse to the poling direction to reveal structural details of the nonlinear region. A peaked ridge below the anode surface, corresponding to a slower etch rate than that of the bulk SiO<sub>2</sub> , was located ~5μm below the anode surface for a poling time of 30 s. The ridge moved deeper into the glass logarithmically with poling time. This trend is qualitatively consistent with a recent model for the formation of the space-charge region that includes injection of hydrogen ions at the anode surface.

© 1998 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(190.0190) Nonlinear optics : Nonlinear optics
(190.4160) Nonlinear optics : Multiharmonic generation
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.4400) Nonlinear optics : Nonlinear optics, materials

Citation
Thomas G. Alley and S. R. J. Brueck, "Visualization of the nonlinear optical space-charge region of bulk thermally poled fused-silica glass," Opt. Lett. 23, 1170-1172 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-15-1170

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