Optical and mechanical properties of thermally evaporated fluoride thin films

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As a result of health and safety issues surrounding the use of radioactive materials on coated optical components, there has been renewed interest in coating materials whose optical and mechanical properties approach those offered by their radioactive counterparts. Due to the radioactive nature of ThF{sub 4} and its widespread use in optical coatings, the coating industry is examining other low index and non-radioactive fluorides as possible alternatives. In this paper, the authors present the results of an experimental study on the optical and mechanical properties of thermally evaporated ThF{sub 4}, DyF{sub 3}, CeF{sub 3}, LiF, HfF{sub 4}, IRX, and IRB ... continued below

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4 p.

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Zhang, K.; Fahey, R.; Jasinski, D.; Scarpino, C.; Dziendziel, R.; Burger, S. et al. June 8, 1998.

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  • Knolls Atomic Power Laboratory
    Publisher Info: Knolls Atomic Power Lab., Schenectady, NY (United States)
    Place of Publication: Schenectady, New York

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As a result of health and safety issues surrounding the use of radioactive materials on coated optical components, there has been renewed interest in coating materials whose optical and mechanical properties approach those offered by their radioactive counterparts. Due to the radioactive nature of ThF{sub 4} and its widespread use in optical coatings, the coating industry is examining other low index and non-radioactive fluorides as possible alternatives. In this paper, the authors present the results of an experimental study on the optical and mechanical properties of thermally evaporated ThF{sub 4}, DyF{sub 3}, CeF{sub 3}, LiF, HfF{sub 4}, IRX, and IRB thin films, where the materials were deposited at different substrate temperatures. The objective is to examine this series of fluorides under comparable deposition conditions and with respect to such material properties as: n and k, film stress, and environmental stability. The optical constants of these fluorides were evaluated over the wavelength region from 1.0 {micro}m to 12.5 {micro}m.

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4 p.

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INIS; OSTI as DE99001452

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  • Optical interference coatings topical meeting, Tucson, AZ (United States), 7-12 Jun 1998

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  • Other: DE99001452
  • Report No.: KAPL-P--000070
  • Report No.: K--98040;CONF-9806102--
  • Grant Number: AC12-76SN00052
  • Office of Scientific & Technical Information Report Number: 304175
  • Archival Resource Key: ark:/67531/metadc688875

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Office of Scientific & Technical Information Technical Reports

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  • June 8, 1998

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  • July 25, 2015, 2:20 a.m.

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  • May 16, 2016, 5:19 p.m.

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Zhang, K.; Fahey, R.; Jasinski, D.; Scarpino, C.; Dziendziel, R.; Burger, S. et al. Optical and mechanical properties of thermally evaporated fluoride thin films, article, June 8, 1998; Schenectady, New York. (digital.library.unt.edu/ark:/67531/metadc688875/: accessed December 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.