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Materials Synthesis and Physical Chemistry

Micro-Raman Spectra of Poled Glasses


Raman spectra recorded on a confocal micro-Raman spectrometer at the backscattering geometry, in steps of 0.5 m from the anode to the cathode region of a thermally poled sodium-aluminophosphate glass. Spectral changes are observed after poling within a thin layer of ca. 2.5 m under the anode, in good agreement with the detection of nonlinear optical response in this layer by SHG measurements.


 

 

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