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Proceedings Paper

Novel wavefront sensor based on phase-shifting interferometry
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Paper Abstract

When it comes to controlling the laser beam parameters (i.e. angular divergence and shape) detection and characterization of its wavefront is essential for enhancing beam delivery and operational efficiency of laser based systems in commercial, industrial, medical or military applications. This is even more important when the laser beam propagates in real atmosphere where turbulence effects strongly degrades its quality and substantially reduces energy/power density delivered to the target. This presentation discusses a wavefront sensor, with its performance based upon the principle of the phase shifting interferometry (PSI). The latter enables instantaneous characterization of a wavefront. The interferometric essence of the PSI operation makes it possible to measurement the complex amplitude of the optical field, thus allowing retrieval of the complete information of the detected wave.

Paper Details

Date Published: 27 September 2007
PDF: 5 pages
Proc. SPIE 6711, Advanced Wavefront Control: Methods, Devices, and Applications V, 67110I (27 September 2007); doi: 10.1117/12.735197
Show Author Affiliations
Anatoliy Khizhnyak, MetroLaser, Inc. (United States)
Vladimir Markov, MetroLaser, Inc. (United States)
James D. Trolinger, MetroLaser, Inc. (United States)

Published in SPIE Proceedings Vol. 6711:
Advanced Wavefront Control: Methods, Devices, and Applications V
Richard A. Carreras; John D. Gonglewski; Troy A. Rhoadarmer, Editor(s)

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