Effect of higher protonation on lasing performance of Rhodamine-B in sol-gel glasses

被引：9

作者：

Deshpande, Aparna V. ^{[1
]}

Kumar, Uday ^{[1
]}

机构：

[1] Univ Inst Chem Technol, Dept Phys, Bombay 400019, Maharashtra, India

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2009年 / 355卷 / 08期

关键词：

Absorption; Lasers; Luminescence; Optical spectroscopy; Sol-Gels (xerogels); SILYLATED COUMARIN DYES; ENERGY-TRANSFER; LASER-DYES; J-DIMERS; SILICA; PHOTOSTABILITY; MATRICES; FORMS; HOSTS; CAGE;

D O I：

10.1016/j.jnoncrysol.2009.01.017

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Three types of Rhodamine-B (Rh-B) impregnated sot-gel samples (mentioned as type-A, type-B, type-C) were prepared. After studying photophysical properties, the dried samples were Subjected to laser study under nitrogen laser pumping in a transverse dye laser cavity. Type-B and type-C samples were found to be lasing, while type-A did not show any lasing action. The photostability Study of these samples under nitrogen laser pumping showed that Rhodamine-B was more photostable in type-C sol-gel host than in type-B. These results have been explained by taking into account the molecular changes in Rh-B in the sol-gel host matrix. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：501 / 506

页数：6

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