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本文对基于后向 Raman散射分布式光纤测温系统中激光器中心波长的优化进行了分析 .在详细讨论了 Raman信号强度、温度灵敏度和系统工作稳定性等与半导体激光器中心波长之间的关系后 ,提出了优化选择中心波长的方法 ,并结合实例予以说明 .
In this paper, the optimization of the laser center wavelength based on Raman scattering distributed optical fiber temperature measurement system is analyzed.After discussing the relationship between Raman signal intensity, temperature sensitivity and system working stability with the central wavelength of semiconductor laser in detail, A method of optimizing center wavelength is proposed, and combined with examples to illustrate.