The JWST Tunable Filter Imager (TFI)

Details The JWST Tunable Filter Imager (TFI) The JWST Tunable Filter Imager (TFI)

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21342616d&link_type=abstract

American Astronomical Society, AAS Meeting #213, #426.16; Bulletin of the American Astronomical Society, Vol. 41, p.257

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The Fine Guidance Sensor (FGS) of the James Webb Space Telescope (JWST) features a tunable filter imager (TFI) module covering the wavelength range from 1.5 to 5.0 µm at a resolving power of 100 over a field of view of 2.2'x2.2'. TFI also features a set of occulting spots for coronagraphy and a non-redundant mask for very high contrast imaging applications. This paper will review the current design and development status of TFI and will highlight its key science programs, from the detection of first light, high-redshift Lyα emitters to the detection and characterization of exoplanets.

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