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Proceedings Paper

Polarisation characteristics of two-photon absorption in LIF:F2⁻ crystal at wavelength 1.06 μm
Author(s): T. T. Basiev
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Paper Abstract

The irreversible bleaching of F2⁻ color centers (CC) in a LiF crystal under influence of powerful IR radiation with wavelength 1.06 μm has been observed earlier [1]. It has been shown that F2⁻ CC bleaching is due to two-photon absorption from the excited state and results in the formation of a stable dichroic spatial band in the crystal. It has been shown [2-4] that F2⁻ CC irreversible bleaching is the reason of both spectral and polarisation "collapses" in Nd lasers with LiF:F2⁻ crystals as passive Q-switches.

Paper Details

Date Published: 1 September 1996
PDF: 1 pages
Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 2778AV (1 September 1996); doi: 10.1117/12.2316080
Show Author Affiliations
T. T. Basiev, General Physics Institute (Russian Federation)


Published in SPIE Proceedings Vol. 2778:
17th Congress of the International Commission for Optics: Optics for Science and New Technology
Joon-Sung Chang; Jai-Hyung Lee; ChangHee Nam, Editor(s)

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