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We present some of our results on the femtosecond laser direct writing and characterization of micro-gratings in Baccarat glass. Gratings were inscribed with amplified 800 nm, ~100 femtosecond pulses at 1 kHz repetition rate. The change in refractive index of the modified region was estimated from grating efficiency measurements and was found to be ~10-3. Micro-Raman studies demonstrated an increase in the intensity of the band near 596 cm-1 in the laser irradiated region clearly indicating an i

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This page is a summary of: Micro-Raman mapping of micro-gratings in Baccarat glass directly written using femtosecond laser, February 2008, SPIE, DOI: 10.1117/12.762707.
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