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新型HP 81 5 6A光衰减器采用了可忽略双折射的圆盘玻璃滤波器和高分辨率、快速稳定的滤波器驱动系统 ,并以其较低的偏振相关损耗、较小的偏振模式色散和较高的通用性而使性能大为改善。
The new HP 81 5 6A optical attenuator uses a disc glass filter with negligible birefringence and a high resolution, fast and stable filter drive system. With its lower polarization-dependent loss, smaller polarization mode dispersion and Higher versatility and greatly improved performance.