27 September 2016 How to align a new detector and micro shutter inside JWST’s Near Infrared Spectrograph (NIRSpec)
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JWST will be the biggest space telescope ever built and it will lead to astounding scientific breakthroughs. The mission will be launched in October 2018 from Kourou, French Guyana by an ESA provided Ariane 5 rocket. NIRSpec, one of the four instruments on board of the mission, recently underwent a major upgrade. New infrared detectors were installed and the Micro Shutter Assembly (MSA) was replaced as well. The rework was necessary because both systems were found to be degrading beyond a level that could be accepted. The installation and “in situ” alignment of these new systems required special techniques and alignment jigs that will be described in this paper. Some first results will be presented as well.
Conference Presentation
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Maurice te Plate, Maurice te Plate, Peter Rumler, Peter Rumler, Peter Jensen, Peter Jensen, Robert Eder, Robert Eder, Ralf Ehrenwinkler, Ralf Ehrenwinkler, Frank Merkle, Frank Merkle, Andreas Roedel, Andreas Roedel, Max Speckmaier, Max Speckmaier, Thomas E. Johnson, Thomas E. Johnson, Brent Mott, Brent Mott, Stephen Snodgrass, Stephen Snodgrass, Chris Gunn, Chris Gunn, Justin Ward, Justin Ward, "How to align a new detector and micro shutter inside JWST’s Near Infrared Spectrograph (NIRSpec)", Proc. SPIE 9951, Optical System Alignment, Tolerancing, and Verification X, 99510F (27 September 2016); doi: 10.1117/12.2238386; https://doi.org/10.1117/12.2238386


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