Spectrophotometer and its use

Details Spectrophotometer and its use Spectrophotometer and its use

2005-01-18

2005-01-18

Evans, F. L. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

C356S406000

Reexamination Certificate

active

06844931

ABSTRACT:
A spectrophotometer including an optical measurement head, a spectrometer and a control electronic. The measurement head is equipped with a multi-channel illumination arrangement having exclusively light emitting diodes as spectrally continuous light source. Each illumination channel includes a light emitting diode, whereby each light emitting diode is separately controllable. In combination with the control electronic, an illumination with electronically adjustable spectral characteristics is hereby realized.

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patent: 6332573 (2001-12-01), Gu et al.
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patent: 0129542 (2001-04-01), None
European Search Report dated Apr. 29, 2002 in German (no translation).
Fletcher, “High Efficiency”, Optics and Photonics News, Optical Society of America, Washington, D.C., US, Apr. 1999, pp. 18-23.

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