Random access monochromator

Details Random access monochromator Random access monochromator

1990-10-16

1994-04-19

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With monochromator structure

356310, 356328, 356330, 356334, G01J 314, G01J 318

Patent

active

053050835

ABSTRACT:
A random access monochromator is disclosed. This device has no mechanical parts and eliminates the need to scan sequentially the wavelengths of light contained in a light spectrum to select a desired wavelength or wavelengths from the spectrum. The device has high speed switching means, permits one to select multiple wavelengths and bandwidths at the same time, and has the ability to correct for non-linearity in prisms caused by their nonlinear or second order dispersion of light.

REFERENCES:
patent: 2823577 (1958-02-01), Machler
patent: 4193691 (1980-03-01), Fjarlie
patent: 4615619 (1986-10-01), Fateley
patent: 4790654 (1988-12-01), Clarke
patent: 4799795 (1989-01-01), Fateley
patent: 4856897 (1989-08-01), Fateley et al.

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