6 October 2000 Testing method of off-axis parabolic cylinder mirror for FIMS
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Proceedings Volume 4231, Advanced Optical Manufacturing and Testing Technology 2000; (2000) https://doi.org/10.1117/12.402822
Event: International Topical Symposium on Advanced Optical Manufacturing and Testing Technology, 2000, Chengdu, China
Abstract
Far-ultraviolet IMaging Spectrograph (FIMS) is a far ultraviolet diffuse imaging spectrometer which will be launched in 2002 as the main payload of KAISTSAT-4. We have designed the optics for observing diffuse emission sources by employing an off-axis parabolic cylinder mirror in front of a slit which guides lights to a diffraction grating. The reflective diffraction grating is an ellipse of rotation providing angular resolution. We describe our plan to measure the off-axis parabolic mirror and our initial experiments to establish the measurement technique. To assist manufacture of the off-axis parabolic cylinder, a cylindrical wavefront generated using computer generated hologram (CGH) will be used during the polishing to check errors in surface profile using the Fizeau interferometer.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kwangsun Ryu, Kwangsun Ryu, Jerry Edelstein, Jerry Edelstein, Jae Bong Song, Jae Bong Song, Yunwoo Lee, Yunwoo Lee, Jinseok Chae, Jinseok Chae, Kwangil Seon, Kwangil Seon, Insoo Yuk, Insoo Yuk, Eric J. Korpela, Eric J. Korpela, Jongho Seon, Jongho Seon, Uk-won Nam, Uk-won Nam, Wonyong Han, Wonyong Han, Kyung-wook Min, Kyung-wook Min, } "Testing method of off-axis parabolic cylinder mirror for FIMS", Proc. SPIE 4231, Advanced Optical Manufacturing and Testing Technology 2000, (6 October 2000); doi: 10.1117/12.402822; https://doi.org/10.1117/12.402822
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