Wave front dislocations and testing of coherent optical fields

Boris D. Bobrov

doi:10.1117/12.239173

29 April 1996 Wavefront dislocations and testing of coherent optical fields

Boris D. Bobrov

Proceedings Volume 2792, Laser Optics '95: Nonlinear Dynamics in Lasers; (1996) https://doi.org/10.1117/12.239173
Event: Laser Optics '95, 1995, St. Petersburg, Russian Federation

Abstract

It is shown, that spiral interferograms can be used for diagnostics of screw dislocations. The connection between the type of spiral line, the type of defect and the values of wavefronts curvatures of interfering beams is established. The spherical wave is considered as reference wavefront. The results of analysis for isolated dislocation are integrated on case of defects set. It is shown, that the diagnostics of coherent fields with defects as screw dislocation requires the preliminary study of wavefront topology. The outline of execution of such testing is offered.

Citation Download Citation

Boris D. Bobrov "Wavefront dislocations and testing of coherent optical fields", Proc. SPIE 2792, Laser Optics '95: Nonlinear Dynamics in Lasers, (29 April 1996); https://doi.org/10.1117/12.239173

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