Reducing narcissus with a GRIN

Jay Vizgaitis; Arthur Hastings Jr.

doi:10.1117/12.2183589

16 June 2015 Reducing narcissus with a GRIN

Jay Vizgaitis, Arthur Hastings Jr.

Proceedings Volume 9451, Infrared Technology and Applications XLI; 94511Q (2015) https://doi.org/10.1117/12.2183589
Event: SPIE Defense + Security, 2015, Baltimore, MD, United States

Abstract

Narcissus is caused by the reflection of the cold stop off a lens surface back to the image plane of a cooled infrared system and can be very difficult to remove from a lens design perspective. New infrared GRIN materials show the ability to reduce the amount of narcissus in an optical system without the reduction in performance or addition of optical elements.

Citation Download Citation

Jay Vizgaitis and Arthur Hastings Jr. "Reducing narcissus with a GRIN", Proc. SPIE 9451, Infrared Technology and Applications XLI, 94511Q (16 June 2015); https://doi.org/10.1117/12.2183589

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