Multi-channel spectrophotometric measuring device

Details Multi-channel spectrophotometric measuring device Multi-channel spectrophotometric measuring device

1983-02-04

1986-01-28

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrophotometer

356328, G01J 318, G01J 342

Patent

active

045667926

ABSTRACT:
The disclosure is directed to a spectrophotometric measuring device equipped with a plurality of channels which automatically analyze many specimens with different testing items in a short period of time for application in biochemical automatic analysis or the like. The device of the invention is characterized in that white light from one light source is subjected to spectral diffraction through a long slit in X direction and wavelength dispersion irradiation light of an optical system including a spectroscope for dispersing spectrum of monochromatic light in Y direction intersecting at right angles with the slit, is projected onto one plate surface so as to select positions of the plate surface in the Y direction and X direction, and by providing the incident end faces of the optical fibers on the selected positions for free change-over, monochromatic lights of arbitrary wavelengths determined by the respective testing items are taken out, while the sample cell and detector are disposed to confront the optical fiber incident end faces for detection of intensity of light transmitting through the sample cell.

REFERENCES:
patent: 3880523 (1975-04-01), Thomas
patent: 3985441 (1976-10-01), Schoeffel et al.
patent: 4259014 (1981-03-01), Talmi

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