Astrophysics (index)about

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 at a certain wavelength passes through, allowing a single instrument to act both as an imager and a spectroscope. Examples:


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

Referenced by:
Faint Infrared Grism Survey (FIGS)

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