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Blue laser dye spectroscopic properties in solgel inorganic-organic hybrid films
Tsiala Saraidarov1, Renata Reisfeld, Miri Kazes
1Department of Inorganic Chemistry, Hebrew University of Jerusalem, Givat-Ram, Israel.
Abstract:
A blue solid-state laser material based on 4,4' dibenzyl carbamido stilbene-2,2' disulfonic acid incorporated into solgel zirconia and inorganic-organic hybrid matrices is presented. The absorption maxima of the dye in various matrices are around 339-361 nm, and the broad fluorescence peaks are at 411-413 nm. Optical gain measurements using the variable stripe method show amplified spontaneous emission peaking at 437 nm.
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