Publication details

Method of shearing interferometry for characterizing non-gaussian randomly rough surfaces

Authors

OHLÍDAL Ivan OHLÍDAL Miloslav FRANTA Daniel MICHÁLEK Aleš

Year of publication 1996
Type Article in Proceedings
Conference Specification, Production, and Testing of Optical Components and Systems
MU Faculty or unit

Faculty of Science

Citation
web http://hydra.physics.muni.cz/~franta/bib/SPIE2775_442.html
Field Optics, masers and lasers
Description In this paper a method of shearing interferometry enabling us to perform a characterization of the basic statistical properties of non-gaussian randomly rough surfaces of solids will be described. This method is based on a statistical analysis of the form of dark fringe centres taking place in interferograms obtained by using a suitable interference microscope. By means of the method the root-mean-square (RMS) values of heights and slopes, the values of autocorrelation lengths, autocorrelation coefficients of the heights and autocorrelation coefficient of the slopes of surface irregularities of glass diffusers will be determined.

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