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Proceedings Paper

Optical limiters for laser radiation based on reverse saturable polymethine dyes
Author(s): A. A. Komar; A. A. Lugowskii; E. A. Melnikova; V. M. Samtsov; A. L. Tolstik
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Paper Abstract

The paper presents an optical device that permits dynamic limiting of the power of nanosecond pulsed laser radiation. Different possibilities to control the characteristics of optical limiters based on reverse saturable polymethine dyes with the use of schemes including lenses and diaphragms have been analyzed. It is proposed to change the geometric position of a dye cell relative to the focal region to control an operation threshold of the limiter. It is established that the efficiency of optical limiting may be improved using additionally the effect of thermal defocusing.

Paper Details

Date Published: 31 July 2007
PDF: 8 pages
Proc. SPIE 6728, ICONO 2007: Novel Photonics Materials; Optics and Optical Diagnostics of Nanostructures, 67283K (31 July 2007); doi: 10.1117/12.752477
Show Author Affiliations
A. A. Komar, Belarusian State Univ. (Belarus)
A. A. Lugowskii, Belarusian State Univ. (Belarus)
E. A. Melnikova, Belarusian State Univ. (Belarus)
V. M. Samtsov, Belarusian State Univ. (Belarus)
A. L. Tolstik, Belarusian State Univ. (Belarus)


Published in SPIE Proceedings Vol. 6728:
ICONO 2007: Novel Photonics Materials; Optics and Optical Diagnostics of Nanostructures

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