Rapid-scanning monochromator with moving intermediate slit

Details Rapid-scanning monochromator with moving intermediate slit Rapid-scanning monochromator with moving intermediate slit

1992-03-27

1994-02-08

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

With synchronized spectrum repetitive scanning

356333, G01J 306, G01J 332

Patent

active

052852547

ABSTRACT:
The present invention is a scanning monochromator for producing a light beam which rapidly and repetitively varies in wavelength. The device is a subtractive double monochromator in which an intermediate slit is moved to effect wavelength scanning; the intermediate slit fitted in a rotating disk positioned at the intermediate focal plane of the monochromator. Two forms of the device are disclosed.

REFERENCES:
patent: 2670652 (1954-03-01), Sherman
patent: 3561872 (1971-02-01), Grabowski et al.
patent: 3700331 (1972-10-01), White
patent: 3756721 (1973-09-01), Williams
patent: 4575243 (1986-03-01), Witte
patent: 4660975 (1987-04-01), Aughton
patent: 4964725 (1990-10-01), Goldovsky
Murty "Compensation for Coma & Anamorphic Effect in Double Monochromators" Applied Optics, vol. 11, #7, Jul. 1972, pp. 1637-1638.
Farrand Grating monochromators, Farrand Optical Co. Inc., Focius, N.Y., Printed Sep. 1966.

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