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The Measurement of the Frequency Discriminating Curve of CO_2 Laser Frequency-Stabilized System Using NH_2D Stark Cell with the Heterodyne Method

Peng Shengyang(National University of Defense Technology)Hu Yu, Feng Zhichao(The University of Electronics and Technology of China)  
We put forward the heterodyne beat frequency method measuring the frequencydiscriminating curve of CO_2 laser frequency-stabilized system using NH_2DStark cell, in which the central frequency of NH_2D is fixed, laser frequencyis changed and the variation of laser frequency is recorded by the heterodyne beat frequency counter. Using a CO_2 frequency-stabilized laser which providesthe reference of frequency, we measure the frequency discriminating curveexperimentally. The result is given and the error of measurement is analysedin the article.
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