Double monochromator

Details Double monochromator Double monochromator

1982-02-08

1984-06-12

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With monochromator structure

G01J 318

Patent

active

044538260

ABSTRACT:
A pre-monochromator having a grating monochromator includes an unsymmetrically ruled concave diffraction grating, by means of which a light source is directly imaged upon an exit slit. The diffraction grating is unsymmetrical with respect to the distribution of the grating constants such that the image distance remains substantially constant during the rotation of the diffraction grating.

REFERENCES:
patent: 3909134 (1975-09-01), Pieuchard et al.
patent: 3930728 (1976-01-01), Pieuchard et al.
patent: 4371263 (1983-02-01), Witte
Afanas'ev et al., Sov. J. Opt. Technol., vol. 44, No. 6, Jun. 1977, pp. 362 and 363.
Startsev et al., Opt. Spectrosc. (USSR), vol. 46, No. 6, Jun. 1979, pp. 672-675.

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