Method of and means for testing a glancing-incidence mirror syst

Details Method of and means for testing a glancing-incidence mirror syst Method of and means for testing a glancing-incidence mirror syst

1975-11-25

1977-12-13

Nelms, David C.

Radiant energy

Coded record and readers; invisible radiant energy type

250320, G01N 2320

Patent

active

040630889

ABSTRACT:
Apparatus for testing a glancing-incidence mirror system for an X-ray telescope, wherein the system has an even number of coaxial and confocal reflecting surfaces, includes an X-ray laser for generating a collimated beam of X-rays directed along the axis of the system so that the beam is incident on the reflecting surfaces and illuminates a predetermined area thereof. An X-ray detector, such as a photographic film, is located at the common focus of the surfaces so that the image thereon produced by the X-rays will provide a measure of the resolution and efficiency of the system.

REFERENCES:
patent: 2559972 (1951-07-01), Kirkpatrick
patent: 3567938 (1971-03-01), Piekenbrock

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