28 February 2006 Tunable ultrashort pulse energy transfer distributed feedback dye laser
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Abstract
This paper presents the characteristics of energy transfer distributed feedback dye laser (ETDFDL) in a mixture of Rhodamine B (RhB) and Thionine (Th) dyes pumped by 532 nm Nd:YAG laser both theoretically and experimentally. The characteristics of donor DFDL, the acceptor DFDL, the dependence of their pulse widths and output powers on donor-acceptor concentrations and pump power are studied. Experimentally the output energy of DFDL is measured at the emission peaks of donor and acceptor dyes for different pump powers, donor-acceptor concentrations and the tunability is observed from 565 nm to 665 nm using prism dye cell arrangement.
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M. Basheer Ahamed, P. K. Palanisamy, "Tunable ultrashort pulse energy transfer distributed feedback dye laser", Proc. SPIE 6108, Commercial and Biomedical Applications of Ultrafast Lasers VI, 610811 (28 February 2006); doi: 10.1117/12.645220; https://doi.org/10.1117/12.645220
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KEYWORDS
Dye lasers

Rhodamine B

Energy transfer

Molecules

Absorption

Photons

Luminescence

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