Imaging channeled spectrograph

Details Imaging channeled spectrograph Imaging channeled spectrograph

1990-09-27

1993-03-02

Gregory, Bernarr E.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

356330, G01J 328

Patent

active

H00011525

ABSTRACT:
An Imaging Channeled Spectrograph is provided which comprises a Fabry-Perot bandpass filter followed by a wide-slit imaging grating spectrograph, and which thus combines the two dimensional monochromatic imaging of a Fabry-Perot bandpass filter system with the high resolution and comprehensive wavelength coverage of a grating spectrograph. The Imaging Channeled Spectrograph produces a series of simultaneous, high resolution, non-overlapping, two dimensional monochromatic images of the entrance slit uniformly distributed over a large spectral range.

REFERENCES:
Speer et al, "Etalon-Spectograph System for Improved Resolution Over a Wide Spectral Range" Applied Optics, vol. 19, #16, Aug. 15, 1980.
Sato et al, "A Synchronous Wavelength Sweeping Method of a Diffraction Grating Fabry-Perot Interferometer in U.V. and Visible Ranges," Japanese Journal of Applied Physics, vol. 14, #9, Sep. 1975.

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