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Preparation and characterization of IR transmitting Ge-Se-Te glasses

Chahal, S and Shekhawat, R and Murahari, P and Ramesh, K (2020) Preparation and characterization of IR transmitting Ge-Se-Te glasses. In: AIP Conference Proceedings-DAE-SSPS 2019, 18-22 December 2019, Indian Institute of Technology (IIT), Rajasthan; India.

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Official URL: https://dx.doi.org/10.1063/5.0016774


IR transmittingmaterials are required for remote detection of many biological molecules like water, ozone and carbon dioxide as their vibrational absorption bands are between 3-5 and 8-12 μm.Te based chalcogenide glasses having low phonon energy and high refractive index transmit the infrared light from 0.8 μm to 30 μm. Ge-Se-Te glasses prepared by melt quenching method are found to transmit IR light upto 25 μm. These glasses transmit 75 of the IR light. The glass forming ability and thermal stability of these glasses are high and are difficult to crystallize. The ease of glass formation along with the transmission of IR light over a wide wavelength range indicate that they are potential materials for making IR lenses and drawing optical fibers for IR sensing and spectroscopic applications. © 2020 American Institute of Physics Inc.. All rights reserved.

Item Type: Conference Paper
Publication: AIP Conference Proceedings
Publisher: American Institute of Physics Inc.
Additional Information: cited By 0; Conference of 64th DAE Solid State Physics Symposium 2019, DAE-SSPS 2019 ; Conference Date: 18 December 2019 Through 22 December 2019; Conference Code:164824
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 19 Jan 2021 10:18
Last Modified: 19 Jan 2021 10:18
URI: http://eprints.iisc.ac.in/id/eprint/67182

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