DIFFRACTION GRATING FOR THE FORMATION OF COLOUR COMPONENTS

: An arrangement for the formation of a plurality of specific spectral regions from a wide-band spectrum radiated by an object comprising a diffraction grating(phase grating) which is disposed in the pupil of an imaging lens and having a groove profile consisting of a plurality of steps, which produ...

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Bibliographic Details
Main Author DAMMANN, HANS
Format Patent
LanguageEnglish
French
Published 02.12.1980
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:: An arrangement for the formation of a plurality of specific spectral regions from a wide-band spectrum radiated by an object comprising a diffraction grating(phase grating) which is disposed in the pupil of an imaging lens and having a groove profile consisting of a plurality of steps, which produce pathlength differences which are integral multiples of a specific wavelength for deriving the spectral regions from the diffraction orders of the grating.
Bibliography:Application Number: CA19770288220