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Proceedings Article

The JWST MIRI double-prism: design and science drivers

[+] Author Affiliations
Sebastian Fischer, Damian Moratschke, Christian Straubmeier, Andreas Eckart

Univ. zu Köln (Germany)

Laurence Rossi, Jean-Yves Plesseria, Etienne Renotte, Emmanuel Mazy

Ctr. Spatial de Liège (Belgium)

Jérôme Amiaux

Commissariat à l'Energie Atomique, DAPNIA (France)

Proc. SPIE 7010, Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter, 70103K (July 12, 2008); doi:10.1117/12.788672
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From Conference Volume 7010

  • Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter
  • Jacobus M. Oschmann, Jr.; Mattheus W. M. de Graauw; Howard A. MacEwen
  • Marseille, France | June 23, 2008

abstract

We present how it is achieved to mount a double prism in the filter wheel of MIRIM - the imager of JWST's Mid Infrared Instrument. In order to cope with the extreme conditions of the prisms' surroundings, the low resolution double prism assembly (LRSDPA) design makes high demands on manufacturing accuracy. The design and the manufacturing of the mechanical parts are presented here, while 'Manufacturing and verification of ZnS and Ge prisms for the JWST MIRI imager' are described in a second paper [1]. We also give insights on the astronomical possibilities of a sensitive MIR spectrometer. Low resolution prism spectroscopy in the wavelength range from 5-10 microns will allow to spectroscopically determine redshifts of objects close to/at the re-ionization phase of the universe.

© (2008) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Sebastian Fischer ; Damian Moratschke ; Christian Straubmeier ; Andreas Eckart ; Laurence Rossi, et al.
"The JWST MIRI double-prism: design and science drivers", Proc. SPIE 7010, Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter, 70103K (July 12, 2008); doi:10.1117/12.788672; http://dx.doi.org/10.1117/12.788672


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