Dispersive fabry-perot infrared multiwavelength optical filter

Details Dispersive fabry-perot infrared multiwavelength optical filter Dispersive fabry-perot infrared multiwavelength optical filter

1983-04-28

1998-12-01

Moskowitz, Nelson

Optical: systems and elements

Absorption filter

359589, 359601, 356352, G07F 116

Patent

active

058447342

ABSTRACT:
An optical material having an index of refraction related to wavelength is placed between the reflectors of a Fabry-Perot cavity employed as an interference filter. The cavity is skewed with respect to the optical path of incident radiation such that the material diverts the optical paths of different spectral lines and the filter response more nearly matches the line spectrum.

REFERENCES:
patent: 3358243 (1967-12-01), Collins et al.
patent: 3672746 (1972-06-01), Miller
patent: 3699347 (1972-10-01), Buchar et al.
patent: 3930718 (1976-01-01), Jensen
patent: 4204771 (1980-05-01), Shull
patent: 4448486 (1984-05-01), Evans
Grischowsky et al, "Double-Fabry-Renot Filter" Jan. 1972, p. 2500, IBM Te Disc Bull., vol. 14, #8.
Gustafssar et al, Wavelength Scanning . . . , Nov. 1979, pp. 1100-1102, J. Phys. B: Sci Instr., vol. 12, #11.
Frolich et al, "Tuning Properties . . . Fabry-Perot'Etalon", Mar. 1976, pp. 205-207, Appl. Physi., vol. 9, #3.

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