Optical limiters for laser radiation based on reverse saturable polymethine dyes

A. A. Komar; A. A. Lugowskii; E. A. Melnikova; V. M. Samtsov; A. L. Tolstik

doi:10.1117/12.752477

31 July 2007 Optical limiters for laser radiation based on reverse saturable polymethine dyes

A. A. Komar, A. A. Lugowskii, E. A. Melnikova, V. M. Samtsov, A. L. Tolstik

Proceedings Volume 6728, ICONO 2007: Novel Photonics Materials; Optics and Optical Diagnostics of Nanostructures; 67283K (2007) https://doi.org/10.1117/12.752477
Event: The International Conference on Coherent and Nonlinear Optics, 2007, Minsk, Belarus

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.

Citation Download Citation

A. A. Komar, A. A. Lugowskii, E. A. Melnikova, V. M. Samtsov, and A. L. Tolstik "Optical limiters for laser radiation based on reverse saturable polymethine dyes", Proc. SPIE 6728, ICONO 2007: Novel Photonics Materials; Optics and Optical Diagnostics of Nanostructures, 67283K (31 July 2007); https://doi.org/10.1117/12.752477

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