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13 May 2019 Scale up of large ALON windows
Lee M. Goldman, Mark Smith, Mohan Ramisetty, Uday Kashalikar, Santosh Jha, Suri Sastri
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Proceedings Volume 10985, Window and Dome Technologies and Materials XVI; 109850F (2019) https://doi.org/10.1117/12.2518899
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States
Abstract
Aluminum Oxynitride (ALON® Transparent Ceramic) combines broadband transparency with excellent mechanical properties. ALON’s cubic structure means that it is transparent in its polycrystalline form, allowing it to be manufactured by conventional powder processing techniques. Surmet’s has been producing and delivering ALON® windows as large as 4.4 sq. Ft. for both Armor and Sensor window applications. We have also recently scaled up our ALON® process to produce windows as large as 8 sq. Ft. for sensor window applications. Initial prototype windows of this size have been produced. These windows exhibit the same excellent levels of transmission, haze and clarity as seen in smaller ALON® windows that we have produced.
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Lee M. Goldman, Mark Smith, Mohan Ramisetty, Uday Kashalikar, Santosh Jha, and Suri Sastri "Scale up of large ALON windows", Proc. SPIE 10985, Window and Dome Technologies and Materials XVI, 109850F (13 May 2019); https://doi.org/10.1117/12.2518899
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KEYWORDS
Sensors
Ceramics
Polishing
Birefringence
Inspection
Refractive index
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