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Advanced window coatings for drone and ground based applications
Author(s): Terrance Finnell; Markus Fredell; Gregg Jarvis; Ian Barrett; Robert Sczupak; Scott Cohen; Thomas Rahmlow; Robert Mann; Robert Johnson
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Paper Abstract

Advanced window coatings being developed for drone applications need to be multi-functional. A typical window design includes a hydrophobic outer coating, a solar filter rejecting unwanted spectrum, an EMI layer and/or heater to prevent icing and anti-reflection films. Hydrophobic and hydrophilic thin film materials are available from various vendors. We present our experience in using these materials and their comparative performance with respect to film adhesion and durability. The window can be a common aperture for several different sensors. Adding an EMI shield using a transmitting conducting oxide (TCO) is challenged when visible and NIR transmission is needed. The trade-off between required conductivity and NIR transmission is presented.

Paper Details

Date Published: 13 May 2019
PDF: 6 pages
Proc. SPIE 10985, Window and Dome Technologies and Materials XVI, 109850C (13 May 2019); doi: 10.1117/12.2519127
Show Author Affiliations
Terrance Finnell, Omega Optical, Inc. (United States)
Markus Fredell, Omega Optical, Inc. (United States)
Gregg Jarvis, Omega Optical, Inc. (United States)
Ian Barrett, Omega Optical, Inc. (United States)
Robert Sczupak, Omega Optical, Inc. (United States)
Scott Cohen, Omega Optical, Inc. (United States)
Thomas Rahmlow, Omega Optical, Inc. (United States)
Robert Mann, Omega Optical, Inc. (United States)
Robert Johnson, Omega Optical, Inc. (United States)


Published in SPIE Proceedings Vol. 10985:
Window and Dome Technologies and Materials XVI
W. Howard Poisl, Editor(s)

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