Broadband antireflection coatings for multifunctional avionic displays

Neelam Kumari; Mukesh Kumar; P. K. Rao; Vinod Karar; Amit Lochan Sharma

doi:10.1117/12.2181756

15 June 2015 Broadband antireflection coatings for multifunctional avionic displays

Neelam Kumari, Mukesh Kumar, P. K. Rao, Vinod Karar, Amit Lochan Sharma

Proceedings Volume 9654, International Conference on Optics and Photonics 2015; 96540E (2015) https://doi.org/10.1117/12.2181756
Event: International Conference on Optics and Photonics 2015, 2015, Kolkata, India

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.

Citation Download Citation

Neelam Kumari, Mukesh Kumar, P. K. Rao, Vinod Karar, and Amit Lochan Sharma "Broadband antireflection coatings for multifunctional avionic displays ", Proc. SPIE 9654, International Conference on Optics and Photonics 2015, 96540E (15 June 2015); https://doi.org/10.1117/12.2181756

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