Speckles from cylindrical surfaces and the information they can provide

Steen Gruner Hanson; Bjarke Rose; Husain Imam

doi:10.1117/12.295670

1 December 1997 Speckles from cylindrical surfaces and the information they can provide

Steen Gruner Hanson, Bjarke Rose, Husain Imam

Proceedings Volume 3317, International Conference on Correlation Optics; (1997) https://doi.org/10.1117/12.295670
Event: International Conference on Correlation Optics, 1997, Chernivsti, Ukraine

Abstract

Partially and fully developed speckle fields form cylindrical surfaces are described analytically with special emphasis on the measurement of surface translations. Based on the ABCD-matrix method, two generic optical system for determining angular velocities and angular displacements will be analyzed. It will be shown that robust, non-contact optical system for industrial applications can be produced. The basic system that is analyzed is as follows: a laser beam of arbitrary radius of curvature illuminates a pane or curved surface. The speckles in a plane following an optical system are analyzed with respect to various target deformations. Specifically, the speckle translation, the speckle size and the speckle decorrelation in the detector pane will be analyzed.

Citation Download Citation

Steen Gruner Hanson, Bjarke Rose, and Husain Imam "Speckles from cylindrical surfaces and the information they can provide", Proc. SPIE 3317, International Conference on Correlation Optics, (1 December 1997); https://doi.org/10.1117/12.295670

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