Laser emission from dye-doped organic-inorganic particles of microcavity structure
Laser emission from dye-doped organic-inorganic particles of microcavity structure
复制标题
微腔结构的染料掺杂有机-无机颗粒的激光发射
DOI：
10.1007/bf02436968
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发表时间：
1997
影响因子：
2.5
通讯作者：
H. Masuhara
中科院分区：
文献类型：
--
作者：
S. Shibata;M. Yamane;K. Kamada;K. Ohta;K. Sasaki;H. Masuhara
激光与微米大小的球形粒子之间的相互作用会在其内部引起光学共振，因为球形壁起着空腔的作用。本文旨在研究含激光染料的有机无机粒子的制备，并证明其激光行为。采用溶胶-凝胶技术将罗丹明6G掺入到微米级的有机-无机球形颗粒中。以苯三乙氧基硅烷为原料制备颗粒。粒径为1 ~ 10 μm，染料含量为1 ~ 7 × 10−5mol/g。将粒子置于空气中的玻璃板上，用波长为532 nm的调q Nd-YAG激光器的二次谐波脉冲抽运。在直径为6 μm的粒子中，在598 nm波长处观察到一个较强的激光发射峰，对应于窃窃廊模式共振。
Interaction between laser light and a micrometer-size spherical particle causes an optical resonance in its interior since a spherical wall acts as a cavity. The present work seeks to investigate the preparation of organicinorganic particles containing laser dyes and demonstrate their lasing behavior. Rhodamine 6G was incorporated into organic-inorganic spherical particles of micrometer-size using sol-gel technique. Phenyl triethoxy silane was used as a starting material for particles. Particle size was 1–10 μm and dye content was 1–7 × 10−5mol/g. A particle was set on a glass plate in air and pumped by a second harmonic pulse ofQ-switched Nd-YAG laser (532 nm wavelength). From a particle of 6 μm in diameter, a strong laser emission peak was observed at 598 nm wavelength which corresponded to the whispering-gallery mode resonance.