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Proceedings Paper

Lasing characteristics of phenolemine 512 and pyrromethene 580 dyes, impregnated to polymer-filled nanoporous glass, at various excitation wavelengths
Author(s): S. S. Anufrick; M. F. Koldunov; Yu. M. Kuznetsov; A. A. Manenkov; E. P. Ponomarenko; V. V. Tarkovsky
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Paper Abstract

A polymer-filled nanoporous glass composite (PFNPG) has been shown recently to be a very attractive host material for solid-state dye lasers. In particular, a high-conversion (lasing) efficiency, up to 70%, has been demonstrated for pyrromethene-family dyes impregnated to PFNPG, in a visible spectral range at 2-nd harmonic nanosecond pulse duration Nd:YAG laser excitation. For development of PFNPG-based dye lasers it is important to investigate lasing characteristics of this type matrices at various excitation (pump) wavelengths. In this context we have investigated the conversion efficiency, η, and emission spectra, fem, of phenolemine 512 (Ph 512) and pyromethene 580 (PM 580) dyes impregnated into PFNPG, at excitation wavelengths, λp, varied in a range of their main absorption bands. A microsecond pulse duration liquid solution dye laser was used in our experiments as a pump source. The conversion efficiency, η=32% and 47%, has been observed at λ=525 nm for Ph 512 and PM 580 respectively with output energy as high as 250 mJ. "Anomalous" dependencies of η and fem upon λp have been revealed for both dyes. In particular, two-frequency lasing has been observed for Ph 5 12 at λ=535 nm. Mechanism of the lasing anomalies is supposed to be related to photoinduced absorption in lasing dyes.

Paper Details

Date Published: 9 June 2006
PDF: 5 pages
Proc. SPIE 6054, International Conference on Lasers, Applications, and Technologies 2005: Advanced Lasers and Systems, 60540V (9 June 2006); doi: 10.1117/12.660935
Show Author Affiliations
S. S. Anufrick, Yanka Kupala State Univ. of Grodno (Belarus)
M. F. Koldunov, A.M. Prokhorov General Physics Institute (Russia)
Yu. M. Kuznetsov, Yanka Kupala State Univ. of Grodno (Belarus)
A. A. Manenkov, A.M. Prokhorov General Physics Institute (Russia)
E. P. Ponomarenko, R and D Enterprise Optronika (Russia)
V. V. Tarkovsky, Yanka Kupala State Univ. of Grodno (Belarus)

Published in SPIE Proceedings Vol. 6054:
International Conference on Lasers, Applications, and Technologies 2005: Advanced Lasers and Systems
Guenter Huber; Vladislav Ya. Panchenko; Ivan A. Scherbakov, Editor(s)

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