Spectrometer with photodetector array detecting uniform bandwidt

Details Spectrometer with photodetector array detecting uniform bandwidt Spectrometer with photodetector array detecting uniform bandwidt

1989-03-24

1990-06-26

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01J 336

Patent

active

049366840

ABSTRACT:
In a color measuring spectrometer employing a reflecting grating and a linear array of photodetectors for measuring different components of a spectrum, the width of the photodetectors varies throughout the length of the array. The width of each photodetector is selected so that each photodetector detects the same bandwidth interval measured in wavelengths.

REFERENCES:
patent: 3880523 (1975-04-01), Thomas
patent: 4443108 (1984-04-01), Webster
patent: 4669880 (1987-06-01), Nelson et al.

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