Spectroscopic device

Details Spectroscopic device Spectroscopic device

2006-05-02

2006-05-02

Toatley, Jr., Gregory J (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

Reexamination Certificate

active

07038775

ABSTRACT:
A spectroscopic system according to the present invention10comprises: an optical fiber bundle12whose emitting end12ais arranged in a vertical direction; a slit16which is arranged so as to oppose the emitting end12aof the optical fiber bundle12; spectroscopic element arrangement means20which can switchably arrange either a first diffraction grating23in which grooves extending along the vertical direction are arranged in a horizontal direction at a predetermined groove density, or a second diffraction grating24in which grooves extending along the vertical direction are arranged in the horizontal direction at a groove density larger than that of the first diffraction grating23, on an optical path of light which is emitted from the emitting end12aof the optical fiber bundle12and passes through the slit16; and a photomultiplier tube30in which a plurality of anodes53extending along the vertical direction are arranged in the horizontal direction.

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