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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 6 — Mar. 15, 2010
  • pp: 5472–5480

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

Shanshan Song, Janesha Dua, and Craig B. Arnold  »View Author Affiliations

Optics Express, Vol. 18, Issue 6, pp. 5472-5480 (2010)

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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.

© 2010 OSA

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(310.6860) Thin films : Thin films, optical properties

ToC Category:
Thin Films

Original Manuscript: October 13, 2009
Revised Manuscript: February 13, 2010
Manuscript Accepted: February 16, 2010
Published: March 3, 2010

Shanshan Song, Janesha Dua, and Craig B. Arnold, "Influence of annealing conditions on the optical and structural properties of spin-coated As2S3 chalcogenide glass thin films," Opt. Express 18, 5472-5480 (2010)

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