摘要
本文介绍一种带源补偿的吸收光谱测量方法。利用锁相放大器选频放大和相干接收的特点，用双光路分光。
A kind of method of measuring spectral transmittivity with source compensated is introduced in this paper.It detects simultaneously intensity of source and transmission light with dual light road and one detector by means of the characters of selective frequence amplifing and coherent detection of a lock in amplifier.The experimental result shows that the method is excellent on overcoming shake of a source and improving signal to noise ratio.
出处
《光谱学与光谱分析》
SCIE
EI
CAS
CSCD
北大核心
1998年第5期626-628,共3页
Spectroscopy and Spectral Analysis
