摘要
本文叙述了利用液芯光纤技术获得最佳自发喇曼光谱的方法和条件。用16mW He-Ne激束为泵光浦源,获得了较高强度的溴苯自发喇曼光谱。首次用测量喇曼信号强度的方法,计算出光纤衰损系数α,从而获得了最大喇曼光谱所对应的最佳光纤长度。本文以15OmW Ar离子(488nm)激光器为光源,用Spex1403喇曼系统,得到了丰富的溴苯喇曼光谱,比用普通方法获得的喇曼光谱强度高两个数量级。实验结果与理论计算基本符合。
The method and condition of obtaining optimal raman spectra by means of liquid-core optical fiber are described. Spectral intensity enhancement by factors of 102 to conventional sample techniques has been obtained with the liquid-core optical fiber. The loss ooeffoient in the fiber were calculated by measuring the stokes line intensity.
出处
《光学学报》
EI
CAS
CSCD
北大核心
1991年第9期786-789,共4页
Acta Optica Sinica
关键词
液芯光纤
散射谱
光纤
liquid-core optical fiber raman spectra.
