Higher-order analysis of four-beam cross grating interferometers
Higher-order analysis of four-beam cross grating interferometers is a scholarly work, published in 1991 in ''Applied Optics''. The main subjects of the publication include physics, diffraction grating, interferometry, digital image correlation, dimensional metrology, High Contrast, anti-reflective coating, optics, interference, spatial frequency, amplitude, beam splitter, astronomical interferometer, ray tracing, grating, and beam. Both on- and off-axis four-beam interference patterns are analyzed using ray tracing.