Double monochromatic spectroscopic device

Details Double monochromatic spectroscopic device Double monochromatic spectroscopic device

2006-07-04

2006-07-04

Nguyen, Tu T. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

With monochromator structure

Reexamination Certificate

active

07072037

ABSTRACT:
Detected and stored are zero-order light positions which are an angular position of the pre-spectroscope and that of the main spectroscope at which a main light ray incident on the inlet slit reaches the outlet slit via the pre-spectroscope and the main spectroscope. In a state where the main spectroscope is located at its zero-order light position, the pre-spectroscope is rotated to detect the angular position of the pre-spectroscope for a predetermined wavelength. Further, in a state where the pre-spectroscope is located at its zero-order light position, the main spectroscope is rotated to detect the angular position of the main spectroscope for the predetermined wavelength.

REFERENCES:
patent: 4971439 (1990-11-01), Brown
patent: 6452674 (2002-09-01), Fujiyoshi
patent: 8-136344 (1996-05-01), None

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