James Webb Space Telescope Mid-Infrared Instrument cooler systems engineering

@inproceedings{Banks2008JamesWS,
  title={James Webb Space Telescope Mid-Infrared Instrument cooler systems engineering},
  author={K. Banks and Melora Ellen Larson and Cagatay Aymergen and Burt X. Zhang},
  booktitle={Astronomical Telescopes + Instrumentation},
  year={2008}
}
On the James Webb Space Telescope (JWST), the Mid-Infrared Instrument (MIRI) is unique among the four science instruments in that it operates around 7K as opposed to 40K like the other three near infrared instruments. Remote cooling of the MIRI is achieved through the use of a Joule-Thomson (J-T) Cooler, which is precooled by a multistage Pulse Tube Cooler. The MIRI Cooler systems engineering is elaborate because the Cooler spans a multitude of regions in the observatory that are thermally and… 
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