Cooled infrared filters and dichroics for the James Webb Space Telescope Mid-Infrared Instrument

  • Gary Hawkins, Richard Sherwood
  • Applied Optics, October 2007, Optical Society of America (OSA)
  • DOI: 10.1364/ao.47.000c25

Infrared Filters for Space Telescopes

Why is it important?

We describe the spectral design and manufacture of the precision cooled filter coatings for the spectrometer 7 K and imager 9 K.


Dr Gary J Hawkins
University of Reading

Details of the design methods used to achieve the spectral requirements, selection of thin film materials, deposition technique, and testing are presented together with the optical layout of the instrument.

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The following have contributed to this page: Dr Gary J Hawkins and Mr Richard E Sherwood