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GRISM [1 record]

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Record 1 2001-04-01

English

Subject field(s)
  • Space Exploration Equipment and Tools
CONT

A grism is a combination of a prism and grating arranged to keep light at a chosen central wavelength undeviated as it passes through the grism. Grisms are normally used to create spectra in a camera by rotating the grism into the normal camera beam. The grism then creates a dispersed spectrum centered on the location of the object in the camera field of view.

OBS

Portmanteau word from "GRating" and "prISM"

French

Domaine(s)
  • Équipement et outillage d'exploration spatiale

Spanish

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