All Grazing Incidence Interferometer For Testing And In Situ Alignment Of Imaging X-Ray Optics

Robert J. Speer; Michael Chrisp

doi:10.1117/12.957447

9 August 1979 All Grazing Incidence Interferometer For Testing And In Situ Alignment Of Imaging X-Ray Optics

Robert J. Speer, Michael Chrisp

Proceedings Volume 0184, Space Optics Imaging X-Ray Optics Workshop; (1979) https://doi.org/10.1117/12.957447
Event: 1979 Huntsville Technical Symposium, 1979, Huntsville, United States

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.

Citation Download Citation

Robert J. Speer and Michael Chrisp "All Grazing Incidence Interferometer For Testing And In Situ Alignment Of Imaging X-Ray Optics", Proc. SPIE 0184, Space Optics Imaging X-Ray Optics Workshop, (9 August 1979); https://doi.org/10.1117/12.957447

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