Method and apparatus for determining calibration accuracy of a s

Details Method and apparatus for determining calibration accuracy of a s Method and apparatus for determining calibration accuracy of a s

1985-07-10

1989-06-13

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrophotometer

356328, 356334, G01J 318

Patent

active

048386910

ABSTRACT:
A calibration method and apparatus for economical and rapid calibration of a scientific instrument utilizing a monochromator to generate monochromatic light utilizing controllable means for determining the angular position of a light dispersing element in the monochromator and a filter having a narrow absorption band(s) to determine a relationship between the wavelength of the monochromatic light generated by the monochromator and an angular position of the dispersing element so that the dispersing element can be rotated to an exact position for the monochromator to generate a selected wavelength of monochromatic light.

REFERENCES:
patent: 4352561 (1982-10-01), Tohyama et al.
patent: 4469441 (1984-09-01), Bernier et al.
patent: 4519706 (1985-05-01), Morley et al.
patent: 4565447 (1986-01-01), Nelson
patent: 4669878 (1987-06-01), Meier
Papadakis et al., Analytical Chemistry, vol. 47, No. 9, Aug. 1975, pp. 1644-1649.
Spillman et al., Analytical Chemistry, vol. 48, No. 2, Feb. 1976, pp. 303-311.

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