摘要：【中文】本发明公开了一种水听器阵列光中继远程传输链路损耗监测装置，主要包括窄线宽保偏光源、单边带保偏调制器、射频信号源、保偏耦合器、调制器、脉冲信号源、连续基底光源、第一单模耦合器、放大器、扰偏器、第二单模耦合器、隔离器、第三单模耦合器、平衡探测器、数据采集器、波分复用器。本发明通过连续基底填充探测光脉冲、单边带调制探测光、传感波长选频加波分复用等方式，解决了光纤水听器阵列光中继远程传输链路损耗监测存在的信道串扰、耦合器噪声、光浪涌、相干衰落噪声收敛慢等问题，目前应用于岸基延拓光中继远程传输链路损耗监测中，实现150km损耗监测，具备较好的工程应用性。 【EN】The invention discloses a hydrophone array optical relay remote transmission link loss monitoring device which mainly comprises a narrow-linewidth polarization-maintaining light source, a single-side band polarization-maintaining modulator, a radio frequency signal source, a polarization-maintaining coupler, a modulator, a pulse signal source, a continuous substrate light source, a first single-mode coupler, an amplifier, a polarization scrambler, a second single-mode coupler, an isolator, a third single-mode coupler, a balance detector, a data acquisition unit and a wavelength division multiplexer. The method solves the problems of channel crosstalk, coupler noise, optical surge, slow convergence of coherent fading noise and the like in the loss monitoring of the optical relay remote transmission link of the optical fiber hydrophone array by filling detection optical pulses on a continuous substrate, modulating detection light by a single side band, frequency selecting and wavelength division multiplexing sensing wavelength and the like, is applied to the loss monitoring of the shore-based extension optical relay remote transmission link at present, realizes the loss monitoring of 150km, and has better engineering applicability.