Mid-IR s-SNOM imaging of photo-induced refractive index variation in chalcogenide glass

We report the mid-IR s-SNOM surface characterization of a chalcogenide glass photo-inscribed by ultrashort laser pulses. Imaging allows to access to the morphology and the optical properties of the material at nanoscale, unravelling topographical and optical contrasts resulting from the laser inscri...

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Bibliographic Details
Main Authors: Thomas, L., Eliet, S., Carcreff, J., Lampin, J.-F., Bychkov, E., Le Coq, D., Masselin, P.
Format: Conference Proceeding
Language:English
Subjects:
Glass
Optical imaging
Optical refraction
Optical scattering
Optical variables control
Ultrafast optics
Waveguide lasers
Online Access:Request full text
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Summary:We report the mid-IR s-SNOM surface characterization of a chalcogenide glass photo-inscribed by ultrashort laser pulses. Imaging allows to access to the morphology and the optical properties of the material at nanoscale, unravelling topographical and optical contrasts resulting from the laser inscription process.
ISSN:2162-2035
DOI:10.1109/IRMMW-THz.2019.8874029