Visualization of the nonlinear optical space-charge region of bulk thermally poled fused-silica glass
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 SiO2 , 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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