Automatic wavelength calibration apparatus

Details Automatic wavelength calibration apparatus Automatic wavelength calibration apparatus

1984-09-14

1987-07-21

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

356326, G01N 2164, G01J 310

Patent

active

046814442

ABSTRACT:
A self-contained automatic computer controlled system for checking and recalibrating the wavelength scale of both monochromators of a fluorescence spectrophotometer is described. No operator adjustments are required. The system sets the wavelength of each monochromator to within 0.1 nanometers. Besides automatic indexing at turn-on the operation can be repeated at any desired time. The system is applicable to single or double monochromator instruments.

REFERENCES:
patent: 4203669 (1980-05-01), Maeda et al.
patent: 4330207 (1982-05-01), Nogami et al.
Rhinewine, "Simple Wavelength Monitor for a Scanning Spectrometer", Rev. Sci. Instrum., vol. 46, #4, Apr. 1975, pp. 448-450.
Spillman et al, "Computer-Controlled Programmable Monochromator System With Automated Wavelength Calibration & Background Correction", Analytical Chemistry, vol. 48, No. 2, Feb. 1976, pp. 303-311.

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