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Proceedings Paper

All Grazing Incidence Interferometer For Testing And In Situ Alignment Of Imaging X-Ray Optics
Author(s): Robert J. Speer; Michael Chrisp
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Paper Abstract

An interferometer is described which allows in situ assessment and alignment of any image forming grazing incidence optic. The fringes are localized in the exit pupil of the X-ray telescope or microscope (either under manufacture or during use) and mark out in units of one wavelength the departure of an actual convergent image forming wavefront from the Gaussian reference sphere. In one variation of the principle the interferometer is comprised of one grazing incidence reflecting surface only. Visible interferograms are shown for two current applications.

Paper Details

Date Published: 9 August 1979
PDF: 4 pages
Proc. SPIE 0184, Space Optics Imaging X-Ray Optics Workshop, (9 August 1979); doi: 10.1117/12.957447
Show Author Affiliations
Robert J. Speer, Imperial College (England)
Michael Chrisp, Imperial College (England)

Published in SPIE Proceedings Vol. 0184:
Space Optics Imaging X-Ray Optics Workshop
Martin C. Weisskopf, Editor(s)

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