Monochromator for simultaneous selection and utilization of two

Details Monochromator for simultaneous selection and utilization of two Monochromator for simultaneous selection and utilization of two

1977-02-03

1979-02-20

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With monochromator structure

G01J 318

Patent

active

041403991

ABSTRACT:
A monochromator for the simultaneous selection and utilization of two wavelengths of small and constant band width, whereby the wavelengths may be selected and rapidly changed as desired. The monochromator is particularly suitable for the simultaneous scanning of a chromatogram (e.g. a thin-layer chromatogram) with two wavelengths to determine the concentration of a certain material independently of disturbing influences of the matrix. This is done by photosensors which are adapted to be led on pivot arms on a circular arc about the element dispersing the light.

REFERENCES:
patent: 2572119 (1951-10-01), Dieke
patent: 4012147 (1977-03-01), Walrafen

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