Astrophysics (index)

Grism

(Grating Prism)
(combination of a grating and a prism)

A Grism (or Grating Prism) is a combination of a Grating and a Prism, arranged so Electromagnetic Radiation (EMR) at a certain Wavelength passes through, allowing a single instrument to act both as an imager and a Spectroscope. Examples:


(instruments)
http://en.wikipedia.org/wiki/Grism

Referenced by:
Faint Infrared Grism Survey (FIGS)

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