Spectrograph-monochromator of grazing incidence type

Details Spectrograph-monochromator of grazing incidence type Spectrograph-monochromator of grazing incidence type

1978-09-29

1981-03-03

Smith, Alfred E.

Radiant energy

Coded record and readers; invisible radiant energy type

250272, G01N 2320, G21K 100, G21K 700

Patent

active

042543355

ABSTRACT:
This invention relates to a spectrograph-monochromator of grazing incidence type which is particularly but not exclusively designed for examining soft x-ray and ultraviolet radiation. the spectrograph-monochromator according to the invention comprises an inlet slit, a reflecting diffraction grating and a detector comprising a photographic plate for spectrographic recording or, alternatively, an outlet slit for selecting a single monochromatic component, the improvement being that the inlet slit is disposed in a fixed position relative to a base plate, provided with an openable cover and said grating and said detector are disposed longitudinally displaceable on a curved guide, which represents a portion of a Rouland circle and is rotatable about an axis coinciding with that of said inlet slit.

REFERENCES:
patent: 3486021 (1969-12-01), Honme et al.
patent: 3566111 (1971-02-01), Harm
patent: 3906225 (1975-09-01), Goernet et al.

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