DBR光纤激光器有效腔长测量新方法
摘要
A novel method to measure the effective cavity length of distributed Bragg reflector (DBR) fiber laser with fiber Bragg grating (FBG) Fabry-Prot cavity as the resonator is proposed. The effective cavity length of DBR fiber laser is accurately measured by measuring the frequency spacing of two adjacent longitudinal modes in the cavity without the precise physical length of FBGs. The measuring accuracy as high as 10 -5 mm can be obtained by setting the resolution bandwidth of the spectrum analyzer.
引用本文（GB/T 7714）
Qing Ji, Xiurong Ma, Jing Sun, 等. DBR光纤激光器有效腔长测量新方法[J]. Chinese Optics Letters, 2010.
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