光频域反射仪中非线性频率调制的分析与抑制
Analysis and suppression of nonlinear frequency modulation in an optical frequency-domain reflectometer.
作者信息
Yuksel Kivilcim, Wuilpart Marc, Mégret Patrice
机构信息
Faculty of Engineering, Mons, Electromagnetism and Telecommunication Department, Mons, Belgium.
出版信息
Opt Express. 2009 Mar 30;17(7):5845-51. doi: 10.1364/oe.17.005845.
A new method for monitoring the nonlinearities perturbing the optical frequency sweep in high speed tunable laser sources is presented. The swept-frequency monitoring system comprises a Mach-Zehnder interferometer and simple signal processing steps. It has been implemented in a coherent optical frequency domain reflectometer which allowed to drastically reduce the effects of nonlinear sweep, resulting to a spatial resolution enhancement of 30 times.
提出了一种监测高速可调谐激光源中扰动光频率扫描非线性的新方法。扫频监测系统包括一个马赫-曾德尔干涉仪和简单的信号处理步骤。它已在相干光频域反射仪中实现，这使得能够显著降低非线性扫描的影响，从而使空间分辨率提高了30倍。
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