Optical system for spectral devices

Details Optical system for spectral devices Optical system for spectral devices

1979-12-26

1981-09-15

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

For spectrographic investigation

356328, G01J 318

Patent

active

042894018

ABSTRACT:
The invention relates to an optical system for spectral devices which improves the resolution of a spectral line image up to the edge portions by use of at least two collimators. The collimators are adjacently located in direction of dispersion and differently inclined relative to the plane of dispersion of the optical system. The produced spectral sections are imaged on a detector where the number of the collimators used depends on the number of spectral sections.

REFERENCES:
patent: Re26053 (1966-07-01), Cary
patent: 2453164 (1948-11-01), Swings
patent: 3836237 (1974-09-01), Egan et al.

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