1996•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access

Optical filters on board the Space Telescope Imaging Spectrograph (STIS)

Everett L. Coffelt, Mark A. Martella

Abstract

The space telescope imaging spectrograph (STIS) instrument is due to be installed on board the Hubble Space Telescope (HST) in 1997. STIS uses 20 filters located on a wheel that can rotate any one of 88 apertures or combination filter/aperture in to the beam path. The instrument incorporates a continuous range of spectral response from the VUV (115.0 nm) to 1 micrometer. Therefore, filters that perform in the VUV are discussed as well as filters that operate in the near infrared. Neutral density filters are also being used for on-board calibration from 300 nm to Lyman-Alpha (121.6 nm).

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Key concepts: Spectrograph, Optics, Telescope, Physics, Aperture (computer memory), Space Telescope Imaging Spectrograph, Optical filter, On board