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Proceedings Paper

Bi-prism-like optical elements for intracavity mode selection
Author(s): Boris Spektor; Yurij Parkhomenko; Joseph Shamir
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Paper Abstract

Intra-cavity beam shaping, if properly implemented, is much more energy efficient and produces cleaner beams than the traditional external spatial modulation. Our special interest in this work is the generation of high-quality dark, or singular beams, for metrological applications. We show that bi-prism like reflectors possessing a central phase excursion within the range ±(0.3-1) π, can significantly alter the relative diffraction losses among the various oscillating modes, enabling efficient mode selection and shaping.

Paper Details

Date Published: 29 September 2004
PDF: 7 pages
Proc. SPIE 5525, Laser Beam Shaping V, (29 September 2004); doi: 10.1117/12.560405
Show Author Affiliations
Boris Spektor, Technion-Israel Institute of Technology (Israel)
Yurij Parkhomenko, Technion-Israel Institute of Technology (Israel)
Joseph Shamir, Technion-Israel Institute of Technology (Israel)

Published in SPIE Proceedings Vol. 5525:
Laser Beam Shaping V
Fred M. Dickey; David L. Shealy, Editor(s)

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