Multi-channel array spectrometer and method for using the same

Details Multi-channel array spectrometer and method for using the same Multi-channel array spectrometer and method for using the same

2011-07-12

2011-07-12

Geisel, Kara E (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

Reexamination Certificate

active

07978324

ABSTRACT:
A multi-channel array spectrometer combines a spectral measurement system and a reference detector which measures photometric or radiometric qualities. High accuracy photometric or radiometric measurement of a wide dynamic range can be achieved by correcting measurement results of the reference detector with a spectral correction factor. The multi-channel array spectrometer comprises a bandpass filter wheel holding a set of bandpass filters and an open hole. The wheel is placed between an entrance slit and gratings. A test light beam passes through a turret of the bandpass filters. The test light beam can be precisely measured band by band. The spectrometer can also quickly and accurately measure a plurality of test light sources having similar spectral characteristics by using the stray light correction factor.

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The first Office Action issued in corresponding Chinese Application No. 200710069325.5, issued Jun. 28, 2010—4 pages.

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