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Proceedings Paper

Broadband antireflection coatings for multifunctional avionic displays
Author(s): Neelam Kumari; Mukesh Kumar; P. K. Rao; Vinod Karar; Amit Lochan Sharma
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Paper Abstract

Broadband Multilayer Antireflection (AR) coatings markedly improve the transmission efficiency of any optical component such as lens, prism, beam-splitter, beam combiner or a window. By reducing surface reflections over a wide wavelength range, broadband antireflection coatings improve transmission and enhance contrast which is desired in avionic displays. The broadband antireflection coating consisting of MgF2, ZrO2 and Al2O3 were designed to cover the whole visible spectrum and fabricated on optical grade glass substrate. The optical characterization of these coatings indicates reduction of the reflection to 2.28% as compared to 8.5 % at 545 nm (i.e. design wavelength of most avionic displays) for bare substrate making them useful in optical displays for avionic applications.

Paper Details

Date Published: 15 June 2015
PDF: 7 pages
Proc. SPIE 9654, International Conference on Optics and Photonics 2015, 96540E (15 June 2015); doi: 10.1117/12.2181756
Show Author Affiliations
Neelam Kumari, Central Scientific Instruments Organisation (India)
Academy of Scientific & Innovative Research (India)
Mukesh Kumar, Central Scientific Instruments Organisation (India)
Academy of Scientific & Innovative Research (India)
P. K. Rao, Central Scientific Instruments Organisation (India)
Vinod Karar, Central Scientific Instruments Organisation (India)
Academy of Scientific & Innovative Research (India)
Amit Lochan Sharma, Central Scientific Instruments Organisation (India)
Academy of Scientific & Innovative Research (India)


Published in SPIE Proceedings Vol. 9654:
International Conference on Optics and Photonics 2015
Kallol Bhattacharya, Editor(s)

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