Compact fast imaging spectrometer

Details Compact fast imaging spectrometer Compact fast imaging spectrometer

1996-09-17

1998-02-10

Hantis, K.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01J 328

Patent

active

057174873

ABSTRACT:
A spectrometer construction incorporates a single lens system (11) to both focus light input to the spectrometer on a diffraction grating (9) and to focus the light dispersed by the diffraction grating into separate spectral constituents back through that lens onto an image plane (15) for processing. Ordinary photographic lenses with fast lenses of f2 or better are able to serve as the lens system, thereby providing a higher quality system at lower cost than previously possible. With the light path doubling back through the spectrometer lens the space required for a spectrometer's optical system is reduced and results in a more compact spectrometer.

REFERENCES:
patent: 2607899 (1952-08-01), Cary et al.
patent: 3011391 (1961-12-01), Fastic
patent: 4717254 (1988-01-01), Masuda
patent: 5589717 (1996-12-01), Chav
Denton et al., "Charge --Injection and C Large-Coupled Devices in Practical Chemical Analysis," American Chemical Society 1983, pp. 12-14t.

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