Spectrophotometer capable of correcting a dark current

Details Spectrophotometer capable of correcting a dark current Spectrophotometer capable of correcting a dark current

1979-08-27

1982-05-18

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

356308, G01J 338

Patent

active

043302106

ABSTRACT:
This specification discloses a dark current correcting device in a spectrophotometer utilizing, as the photoelectric converting element, an image sensor capable of electrical scanning such as a photo-diode array to improve the scanning speed and the reliability, thus eliminating the error component by the dark current from the photoelectric conversion signal obtained from each photoelectric converting element of the image sensor and enabling obtainment of a true photoelectric conversion signal.

REFERENCES:
patent: 3695764 (1972-10-01), Delmas et al.
patent: 3711708 (1973-01-01), Dolin et al.
patent: 3874799 (1975-04-01), Isaacs et al.
patent: 4158505 (1979-06-01), Mathisen et al.

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