Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
Patent
1986-12-23
1988-10-04
Church, Craig E.
Optics: measuring and testing
By dispersed light spectroscopy
Utilizing a spectrometer
356334, 250339, 250349, 250350, G01J 328
Patent
active
047752343
ABSTRACT:
A spectroscopic measurement system comprises at least two kinds of diffraction gratings whose grating surfaces are in line, an exchange device for exchanging the positions of the two kinds of diffraction gratings in connection with incident light to be measured while the two kinds of diffraction gratings are placed in a predetermined rotation angle, at least two kinds of detectors having characteristics corresponding to those of the two kinds of diffraction gratings respectively, a light path switch for switching a path of diffraction light toward either of the two kinds of detectors, and a switch circuit for switching the detection output of the two kinds of detectors in synchronization with the exchange operation of the two kinds of diffraction gratings.
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Church Craig E.
Freeman John C.
Shimadzu Corporation
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