Spectrophotometer

Details Spectrophotometer Spectrophotometer

2005-01-18

2005-01-18

Smith, Zandra V. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrophotometer

C356S326000, C356S416000

Reexamination Certificate

active

06844930

ABSTRACT:
A spectrophotometer is provided which includes: (i) a Linear Variable Filter, (ii) a linear sensor or a two-dimensional image sensor, and (iii) at least one fiber optic plate that is disposed between the Linear Variable Filter and the linear sensor or two-dimensional image sensor, and that transfers light separated into spectral components and outgoing from the Linear Variable Filter to the linear sensor or two-dimensional image sensor. With this structure, a compact spectrophotometer can be obtained which has an excellent wavelength resolution, accuracy, and light transfer ratio, and which can conduct wavelength spectral measurements at high speed and with high accuracy.

REFERENCES:
patent: 4054389 (1977-10-01), Owen
patent: 4833332 (1989-05-01), Robertson et al.
patent: 5144498 (1992-09-01), Vincent
patent: 5272518 (1993-12-01), Vincent
patent: 5872655 (1999-02-01), Seddon et al.
patent: 6057925 (2000-05-01), Anthon
patent: 6535284 (2003-03-01), Hajduk et al.
patent: 6630999 (2003-10-01), Shroder
patent: 05-322653 (1993-12-01), None

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