Reflective filters design for self-filtering narrowband ultraviolet imaging experiment wide-field surveys (NUVIEWS) project

Jong Ho Park; Jongmin Kim; Muamer Zukic; Douglas G. Torr

doi:10.1117/12.193132

11 November 1994 Reflective filters design for self-filtering narrowband ultraviolet imaging experiment wide-field surveys (NUVIEWS) project

Jong Ho Park, Jongmin Kim, Muamer Zukic, Douglas G. Torr

Author Affiliations +

Proceedings Volume 2279, Advances in Multilayer and Grazing Incidence X-Ray/EUV/FUV Optics; (1994) https://doi.org/10.1117/12.193132
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

We report the design of multilayer reflective filters for the self-filtering cameras of the NUVIEWS project. Wide angle self-filtering cameras were designed to image the CIV (154.9 nm) line emission, and H₂ Lyman band fluorescence (centered at 161 nm) over a 20 degree(s) X 30 degree(s) field of view. A key element of the filter design includes the development of (pi) -multilayers optimized to provide maximum reflectance at 154.9 nm and 161 nm for the respective cameras without significant spectral sensitivity to the large cone angle of the incident radiation. We applied self-filtering concepts to design NUVIEWS telescope filters that are composed of three reflective mirrors and one folding mirror. The filters with narrowband widths of 6 and 8 nm at 154.9 and 161 nm, respectively, have net throughputs of more than 50% with average blocking of out-of-band wavelengths better than 3 X 10^-4%.

Citation Download Citation

Jong Ho Park, Jongmin Kim, Muamer Zukic, and Douglas G. Torr "Reflective filters design for self-filtering narrowband ultraviolet imaging experiment wide-field surveys (NUVIEWS) project", Proc. SPIE 2279, Advances in Multilayer and Grazing Incidence X-Ray/EUV/FUV Optics, (11 November 1994); https://doi.org/10.1117/12.193132

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