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Analysis of the π phase-shifts obtained in the Fourier spectra of phase gratings and grids by using two-window grating interferometry

Fuente: Universidad Nacional Autónoma de México

Resumen: As it is very well known, the Fourier coefficients of only-phase gratings are Bessel functions of the first kind of integer order. Because the values of these real-valued functions oscillate around zero, they can adopt negative values, thereby producing phase shifts of \π between some diffr...

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Bibliographic Details
Main Authors: Toto Arellano, N. I., Rodríguez Zurita, G., Martínez García, A., Vázquez Castillo, J. F., Rayas Álvarez, J. A.
Format: Artículo de Investigación
Language:English
Published: Sociedad Mexicana de Física, A.C. 2010
Universidad Nacional Autónoma de México; Facultad de Ciencias
Subjects:
Físico Matemáticas y Ciencias de la Tierra
Diffraction
phase grating
phase shift
interferometry
fringe analysis
Bessel function
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