A refined Fourier-transform method of analysis of interference patterns is presented. The refinements include a method of automatic background subtraction and a way of treating the problem of heterodyning. The method proves particularly useful for analysis of long sequences of interferograms.
© 2003 Optical Society of America
Original Manuscript: August 6, 2002
Revised Manuscript: December 12, 2002
Published: March 10, 2003
Davorin Lovrić, Zlatko Vučić, Jadranko Gladić, Nazif Demoli, Slobodan Mitrović, and Mirko Milas, "Refined Fourier-transform method of analysis of full two-dimensional digitized interferograms," Appl. Opt. 42, 1477-1484 (2003)