Koichi Iwata
Abstract
X-ray shearing interferometers with three gratings are analyzed on the basis of generalized grating imaging theory. The result of this analysis is applied to an already proposed interferometer. The contrast of the imaging fringes in the interferometer is calculated quantitatively. It is also applied to explain the spatial resolution of the image.
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X-ray shearing interferometers with three gratings are analyzed on the basis of generalized grating imaging theory. The result of this analysis is applied to an already proposed interferometer. The contrast of the imaging fringes in the interferometer is calculated quantitatively. It is also applied to explain the spatial resolution of the image.
Key concepts: Optics, Interferometry, Shearing interferometer, Astronomical interferometer, Grating, Shearing (physics), Spatial frequency, Diffraction grating