Method for Blackbody lamp reference compensation using a single

Details Method for Blackbody lamp reference compensation using a single Method for Blackbody lamp reference compensation using a single

1999-02-11

2000-05-02

Font, Frank G.

Optics: measuring and testing

Optical pyrometers

Plural color responsive

356326, 356411, 356319, 702134, G01J 560

Patent

active

060579129

ABSTRACT:
A method to compensate for lamp spectrum shift, comprises exposing a first detector to a first light from a lamp, thereby generating a first signal indicative of intensity of said first light; exposing a second detector to a wavelength (.lambda.) of a second light from said lamp, thereby generating a second signal indicative of intensity of said wavelength of said second light, after said second light has interacted with a sample; determining a new color temperature (T.sub.1) of said first light using the following equation

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patent: 5565990 (1996-10-01), Hosoi et al.
patent: 5772323 (1998-06-01), Felice

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