Abstract

We study the mechanisms of forming x-ray moiré images arising under the action of one-dimensional rows of local concentrated forces at the output surface of a triple-crystalline triple Laue case interferometer for the cases of their orientation parallel and perpendicular to the vector of diffraction. The presence of constant phase shift of one of the interfering waves in the interferometer’s analyzer results in the diminishing of period, contrast, and area of deformation moiré fringes. It is shown that the area of efficient interaction of phase and deformation moirés depends on both the magnitude of the constant phase shift and the magnitude and character of arrangement of local concentrated forces in rows.

© 2016 Optical Society of America

Digital sampling Moiré as a substitute for microscope scanning Moiré for high-sensitivity and full-field deformation measurement at micron/nano scales

Qinghua Wang, Shien Ri, and Hiroshi Tsuda
Appl. Opt. 55(25) 6858-6865 (2016)

Observation of a bent crystal-lattice by x-ray interferometry

Enrico Massa, Giovanni Mana, and Luca Ferroglio
Opt. Express 17(13) 11172-11178 (2009)

Sample phase gradient and fringe phase shift in triple phase grating X-ray interferometry

Aimin Yan, Xizeng Wu, and Hong Liu
OSA Continuum 3(10) 2782-2796 (2020)

Moiré interferometry

S. Yokozeki and S. Mihara
Appl. Opt. 18(8) 1275-1280 (1979)

Optical fringe multiplication in moiré interferometry

Xinlin Qing, Yuwei Qin, and Fulong Dai
Appl. Opt. 34(31) 7291-7294 (1995)