Controlling the infrared optical properties of rf-sputtered NiO films for applications of infrared window

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In this paper, we will focus on an IR transmittance enhancement technique from the window material point of view by using metal oxides, especially nickel oxide (NiO). At first, anti-reflection (AR) coatings were modeled by using the optical properties of NiO films. The transmittance of the model was predicted using Swanepoel's model and verified with NiO film prepared by rf magnetron sputtering. Also, post-deposition annealing was performed and was found to change the optical properties of the NiO film. Therefore, we analyzed the annealing effect on the IR optical properties of the NiO film. Furthermore, we confirmed the durability of the NiO film and verified the possibility of this material being used in infrared optics.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2015-09
Language
English
Article Type
Article
Keywords

THIN-FILMS; MECHANICAL-PROPERTIES; CARBON-FILMS; SILICON; ABSORPTION; CONSTANTS; COATINGS

Citation

INFRARED PHYSICS & TECHNOLOGY, v.72, pp.135 - 139

ISSN
1350-4495
DOI
10.1016/j.infrared.2015.07.023
URI
http://hdl.handle.net/10203/205347
Appears in Collection
EE-Journal Papers(저널논문)
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