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SEVIRI Mirror Design for MSG-1: Optical Innovation in Spacecraft Instrumentation

The SEVIRI mirror, manufactured by Zeiss, is a key component of the Spinning Enhanced Visible and Infrared Imager aboard the MSG-1 satellite. Utilizing Zerodur material, this lightweight flat folding mirror (830 x 530 x 67 mm, 15.6 kg) supports optimal optical performance while adhering to stringent packaging requirements. Its innovative design minimizes vignetting and enhances light collection, essential for accurate meteorological data collection in space. For detailed insights into its construction and mounting features, visit the Schott publication.

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SEVIRI Mirror Design for MSG-1: Optical Innovation in Spacecraft Instrumentation

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  1. SEVIRI Scan Mirror M. Lampton UCB SSL Oct 2005

  2. SEVIRI • Spinning Enhanced Visible IR Imager • Main instrument aboard MSG-1 (Meteosat Second Generation) • Zerodur material • Finished by Zeiss • Very similar to SNAP folding flat mirror • Mounting features could be of interest to us

  3. http://www.schott.com/magazine/english/download/info102/si102_07_satellite.pdfhttp://www.schott.com/magazine/english/download/info102/si102_07_satellite.pdf

  4. “Zerodur In Space” Schott, 2002 830 x 530 x 67mm; 15.6 kg; 70% lightweighted

  5. Flat fold mirror • Optical design of TMA requires tight packaging between FM and passive cold stop while avoiding vignetting • ULE, Zerodur, Be, SiC are OK • Not a development driver Zerodur: SEVIRI mirror, Zeiss, 53x83cm, 16kg SiC: S. Roberts, DAO 2001; ASTRIUM; 50 x 80cm

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