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Efficient Two-Photon Excited Amplified Spontaneous Emission from Organic Single Crystals

โœ Scribed by Hong Xia; Jie Yang; Hong-Hua Fang; Qi-Dai Chen; Hai-Yu Wang; Xiao-Qiang Yu; Yu-Guang Ma; Min-Hua Jiang; Hong-Bo Sun

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
388 KB
Volume
11
Category
Article
ISSN
1439-4235

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โœฆ Synopsis

Abstract

E__,__ E__โ€1, 4โ€bis[4โ€ฒโ€(N,Nโ€dibutylamino)styryl]โ€2,5โ€dimethoxyโ€benzene (DBASDMB) organic crystals with high crystalline quality, large size and excellent optical properties are prepared. The linear and nonlinear properties in the crystal are comparatively studied. The relaxation dynamics pumped by twoโ€photon are very similar with that pumped by oneโ€photon. The crystal exhibits very strong twoโ€photon excited fluorescence and amplified spontaneous emission. Efficient twoโ€photon absorption, reasonably high fluorescent quantum efficiency, and high crystal quality together with stimulated emission make organic crystals ideal for the application in frequency upconversion and other optoelectronic fields.__

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In this Communication Figure 5 and Figure S5 in the Supporting Information were misinterpreted as a result of an experimental artifact. While we wrote on page 734, that two-photon excited fluorescence of TOPV in the solid state can be unambiguously recorded even on a standard spectrofluorimeter with