Influence of annealing conditions on the optical and structural properties of spin-coated As2S3 chalcogenide glass thin films

Shanshan Song; Janesha Dua; Craig B. Arnold

doi:10.1364/OE.18.005472

Influence of annealing conditions on the optical and structural properties of spin-coated As₂S₃ chalcogenide glass thin films

Shanshan Song, Janesha Dua, Craig B. Arnold

Research output: Contribution to journal › Article › peer-review

71 Scopus citations

Abstract

Spin-coating of chalcogenide glass is a low-cost, scalable method to create optical grade thin films, which are ideal for visible and infrared applications. In this paper, we study the influence of annealing on optical parameters of As₂S₃ films by examining UV-visible and infrared spectroscopy and correlating the results to changes in the physical properties associated with solvent removal. Evaporation of excess solvent results in a more highly coordinated, denser glass network with higher index and lower absorption. Depending on the annealing temperature and time, index values ranging from n = 2.1 to the bulk value (n = 2.4) can be obtained, enabling a pathway to materials optimization.

Original language	English (US)
Pages (from-to)	5472-5480
Number of pages	9
Journal	Optics Express
Volume	18
Issue number	6
DOIs	https://doi.org/10.1364/OE.18.005472
State	Published - Mar 15 2010

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OE.18.005472

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Influence of annealing conditions on the optical and structural properties of spin-coated As₂S₃ chalcogenide glass thin films

Abstract

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