Color correction in the infrared using gradient-index materials

James A. Corsetti; Peter McCarthy; Duncan T. Moore

doi:10.1117/1.OE.52.11.112109

30 July 2013 Color correction in the infrared using gradient-index materials

James A. Corsetti, Peter McCarthy, Duncan T. Moore

Author Affiliations +

Optical Engineering, Vol. 52, Issue 11, 112109 (July 2013). https://doi.org/10.1117/1.OE.52.11.112109

Abstract

The ability of gradient index (GRIN) materials to correct color in the infrared is explored. An overview of GRIN materials is provided, including a review of the most common index profiles (axial, radial, and spherical). Due to the high potential for color correction, a design study is carried out to compare a single ZnS/ZnSe GRIN element’s imaging performance to that of homogeneous singlets and doublets. A radial GRIN element is able to correct axial color and provide superior performance over an aspheric homogeneous singlet and offer a reduction in weight when compared to a homogeneous doublet. The ZnS/ZnSe GRIN is also shown to be superior to other infrared GRIN materials between 3 and 5 μm.

Citation Download Citation

James A. Corsetti, Peter McCarthy, and Duncan T. Moore "Color correction in the infrared using gradient-index materials," Optical Engineering 52(11), 112109 (30 July 2013). https://doi.org/10.1117/1.OE.52.11.112109

Published: 30 July 2013

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