Reconstruction of a plane wave's tilt and orientation using an optical vortex interferometer

Monika Borwinska; Agnieszka Popiolek-Masajada; Boguslawa Dubik

doi:10.1117/1.2753186

1 July 2007 Reconstruction of a plane wave's tilt and orientation using an optical vortex interferometer

Monika Borwinska, Agnieszka Popiolek-Masajada, Boguslawa Dubik

Author Affiliations +

Optical Engineering, Vol. 46, Issue 7, 073604 (July 2007). https://doi.org/10.1117/1.2753186

Abstract

The application of the optical vortex interferometer (OVI) to small-angle rotation measurements is presented. The OVI is based on a regular lattice of optical vortices. In our experimental setup a regular lattice of optical vortices is produced by the interference of three plane waves. The vortex points are stable, pointlike structures within the interference field. Distortion of one, two, or three of the interference waves results in a characteristic vortex lattice deformation. This deformation can be measured and related to the physical quantities being investigated. We show the ability of the OVI to measure the deflection angle and the orientation of the wave vector in a single measurement. Two different methods that allow comparing the geometry of the vortex lattice are used to analyze the results of the experiment. They are compared with the method based on standard two-beam interferograms. The results show that the OVI system can be successfully used to measure the deflection and orientation of the wave vector. The vortex methodology is more accurate than classical two-beam interferometry for rotation angles in the range of a few arcseconds.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Monika Borwinska, Agnieszka Popiolek-Masajada, and Boguslawa Dubik "Reconstruction of a plane wave's tilt and orientation using an optical vortex interferometer," Optical Engineering 46(7), 073604 (1 July 2007). https://doi.org/10.1117/1.2753186

Published: 1 July 2007

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