Novel PANDA fiber type polarization beam combiners for 980nm and 1480nm band were proposed. Insertion losses of both types were successfully reduced to 0.1 dB/0.2dB (for slow and fast axis, 1480nm type) and 0.1/0.3 dB (for slow and fast axis, 980nm type). It was also confirmed that reliability of these devices was high through telcordia 1209 and 4,000 hours long term temperature cycling test. A compact passive optical gain block module for booster amplifier was demonstrated as an example of an application.
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机译：提出了用于980nm和1480nm波段的新型PANDA光纤型偏振光束合成器。两种类型的插入损耗都成功降低到0.1 dB / 0.2dB（对于慢轴和快轴，1480nm类型）和0.1 / 0.3 dB（对于慢轴和快轴，980nm类型）。还通过telcordia 1209和4,000小时长期温度循环测试证实了这些设备的可靠性很高。演示了用于升压放大器的紧凑型无源光学增益模块，作为一个应用示例。
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