Calibration technique for monochromators and spectrophotometers

Details Calibration technique for monochromators and spectrophotometers Calibration technique for monochromators and spectrophotometers

1990-07-12

1993-05-18

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

356319, 356328, 356334, G01J 300

Patent

active

052125378

ABSTRACT:
A photometer having a plurality of input fibers to its optical entrance, at least one of which is for transmission of calibration light and at least one of which is for transmission of sample light. The exit ends of these fibers are aligned into a linear array, thereby producing an effective entrance slit for the optical entrance of the photometer. The fiber(s) for calibration light are positioned at the center of the linear array to avoid miscalibration due to photometer astigmatism.

REFERENCES:
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patent: 4198120 (1980-04-01), Norris et al.
patent: 4660974 (1987-04-01), Machler et al.
patent: 4661711 (1987-04-01), Harjunmaa
patent: 4669873 (1987-06-01), Wirz
patent: 4758085 (1988-07-01), Lequime et al.
patent: 4932779 (1990-06-01), Keane
Marques et al., "Fiber Optics Link to a Solar Spectrophotometer," Rev. Sci. Instrum. vol. 52 #3, Mar. 1981.
"Large Lamp Application Bulletin," Atlantic Ultraviolet Corporation, pp. 14-17.

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