grism


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grism

[′griz·əm]
(spectroscopy)
A combination of a diffraction grating and a prism, wherein the grating spreads light into colors and the prism moves the spectrum's position to the point in an image where the observed object appears.
References in periodicals archive ?
The others (Eberhard & Green, 1989; Goldhaber & DeTurck, 1988; Grism, 1993; Silver et al.
CEA / IRFU has the following responsibilities in the Euclid project - Provision of equipment FPA (focal plane) and PMCU (engine control electronics and power) for the VIS instrument- Provision of equipment for cryomecanisme wheel filter holder (CM-FWA) and cryomecanisme for wheel door Grism (CM-GWA) for the NISP instrument.
Surprisingly, if you correct for their large redshifts, these superdistant galaxies have pretty normal colors, says Malhotra, who studied them with Hubble's grism spectrograph.
While Webb looks at the bright star, grisms in the filter wheel will spread the white light of the star out on a detector.
Reliability and validity of a new scale to measure prejudice: The GRISMS.