V. A. Svetlichnyi, O. K. Bazyl', È. R. Kashapova, N. A. Derevyanko, A. A. Ishchenko, “Influence of absorption from excited singlet states on the lasing parameters of polymethine dyes”, Kvantovaya Elektronika, 2009, Volume 39, Number 8,Pages <nobr>739

This article is cited in 5 papers

Lasers

Influence of absorption from excited singlet states on the lasing parameters of polymethine dyes

V. A. Svetlichnyi^a, O. K. Bazyl'^a, È. R. Kashapova^a, N. A. Derevyanko^b, A. A. Ishchenko^b

^a V.D. Kuznetsov Siberian Physicotechnical Institute at Tomsk State University
^b Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Kyiv

Abstract: The influence of absorption from excited singlet states (singlet—singlet absorption) on the lasing parameters of ionic (symmetric and asymmetric cationic) and intraionic (merocyanine) polymethine dyes excited by nanosecond 532-nm second-harmonic pulses from a Nd:YAG laser and 308-nm pulses from a XeCl laser is studied. It is shown that singlet—singlet absorption at the pump and lasing wavelengths affects the spectral and energy lasing parameters of organic dye solutions.

PACS: 42.55.Mv, 33.20.Kf, 33.50.Dq

Received: 01.10.2008
Revised: 28.01.2009