1x4, 1x8，PM Filter Coupler Module  

　　Specifications

　　Parameters Unit Values

　　Type 1x4 1x8

　　Operating Wavelength Range nm ±30

　　Max. Insertion Loss dB 7.5 8.0 11.0   11.5

　　Min.WDL dB 0.5

　　Uniformity dB 0.8 1.0

　　Min. Extinction Ratio Both of axis working dB 20 17

　　Fast axis Blocked dB 22 22

　　Min. Return Loss dB 50

　　Directivity dB 50 45

　　Temperature Dependent Loss dB/℃ 0.006 0.008

　　Max. Optical Power(CW) mW 300

　　Max. Tensile Load N                      5

　　Fiber Type PM Panda Fiber

　　Operating Temperature ℃ -5~+70

　　Storage Temperature ℃ -40~+85

　　Package Dimensions mm 160x140x10 160x160x10