SHADOW IMAGE OF LINEAR GRATING AS A GEOMETRICAL MODEL OF SHEARING INTERFEROGRAM
ITMO University; student
V. K. Kirillovsky
State Educational Establishment of High Professional Education “Saint-Petersburg State University of Information Technologies, Mechanics and Optics”; Professor
Abstract. A fundamental analogy between classical interferogram and system of shadow image isophotes obtained by Foucault knife-edge method is discussed.
Keywords: shadow method, Foucault knife-edge, geometrical model of the shear cross interferogram, isophotometry, wavefront deformation