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13 April 2018 MIRI spectrometer optical design
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Proceedings Volume 10568, International Conference on Space Optics — ICSO 2004; 1056826 (2018)
Event: International Conference on Space Optics 2004, 2004, Toulouse, France
MIRI (the Mid InfraRed Instrument) is one of the focal plane instruments of the James Webb Space Telescope. The instrument comprises a camera and a spectrometer module. The instrument plays the following key roles in the JWST science program. - Discovery of the “first light”. - Assembly of galaxies: history of star formation, growth of black holes, production of heavy elements. - Formation of stars and planetary systems. - Evolution of planetary systems and conditions for life. The MIRI spectrometer covers the spectral range from 5 – 28.3 μm with a spectral resolution better than 2000. The spectral module is an imaging spectrometer with a field of view ≥ 3 arcsec. The spectrometer consists of 4 spectral channels that share 2 detectors of 1024 × 1024 pixels each. In a single measurement one third of the wavelength range of the channels is imaged onto the detectors. By changing gratings the whole spectral range is covered in 3 measurements. In this paper the optical design of the MIRI spectrometer is described.
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B. Kruizinga, H. Visser, J. W. Pel, K. Moddemeijer, and C. Smorenburg "MIRI spectrometer optical design", Proc. SPIE 10568, International Conference on Space Optics — ICSO 2004, 1056826 (13 April 2018);

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