Structural Modification of PECVD As 50 S 50  Chalcogenide-Glass Films by Femtosecond Laser Radiation

A. V. Romashkin; A. A. Murzanev; A. M. Kiselev; A. I. Korytin; M. A. Kudryashov; A. V. Nezhdanov; L. A. Mochalov; A. I. Mashin; A. N. Stepanov

doi:10.1134/S0030400X18050193

Structural Modification of PECVD As₅₀S₅₀ Chalcogenide-Glass Films by Femtosecond Laser Radiation

Authors: Romashkin A.V.¹, Murzanev A.A.¹, Kiselev A.M.¹, Korytin A.I.¹, Kudryashov M.A.², Nezhdanov A.V.², Mochalov L.A.², Mashin A.I.², Stepanov A.N.¹
Affiliations:
1. Institute of Applied Physics
2. Lobachevsky State University of Nizhny Novgorod
Issue: Vol 124, No 5 (2018)
Pages: 741-747
Section: Lasers and their Applications
URL: https://journals.rcsi.science/0030-400X/article/view/165709
DOI: https://doi.org/10.1134/S0030400X18050193
ID: 165709

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Abstract

A thin film of As₅₀S₅₀ chalcogenide glass modified by femtosecond laser radiation at a wavelength of 800 nm has been studied. The character of the modification has been analyzed by interferometry, atomic-force microscopy, and Raman spectroscopy. The relationship between a change in the refractive index upon the sample modification and structural changes in the glass network is determined.