27 June 1997 Highly durable conductive coating for visible and NIR applications
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Abstract
The new military requirements that call for the use of eyesafe lasers for range finding capabilities on aircraft, ships, tanks, and other vehicles has put an extra burden on the transmission of conductive coatings. Originally, the window coatings have low resistivity, less than 7.0 ohm/square, for EMI control were required to transmit up to 1.06 micron. With the new eyesafe lasers for range finding, the requirements of near infrared transmission have been pushed toward longer wavelengths. The windows are now required to have good transmission at 1.543 microns (eyesafe laser wavelength). The traditional indium-tin oxide coating has poor transmission varying from 20% to 50% due to free carrier absorption. A new conductive coating developed at HDOS has good transmission in photopic and xenon tracker regions and it has good transmission at 1.543 micron. This coating also has good environmental durability. The spectral performance, environmental durability, rain erosion resistance, acid resistance, and sand abrasion resistance of this coating are also significant.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hoa T. Bui, Wasim Hasan, "Highly durable conductive coating for visible and NIR applications", Proc. SPIE 3060, Window and Dome Technologies and Materials V, (27 June 1997); doi: 10.1117/12.277035; https://doi.org/10.1117/12.277035
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