等级Grade

P

A

P

A

带宽Bandwidth (nm)

±40

±40

±40

±40

附加损耗 Excess Loss(dB)

≤ 0.1

≤ 0.15

≤ 0.1

≤ 0.15

耦合比Coupling Ratio (%)

33/33/33

最大插入损耗Max. Insertion Loss (dB)

5.4

5.6

5.6

5.8

一致性 Uniformity (dB)

≤ 0.8

≤ 1.0

≤ 1.0

≤ 1.5

波长敏感损耗 Wavelength Dependent Loss (dB)

0.4

0.5

0.8

1.2

偏振敏感损耗Polarization Dependent Loss (dB)

≤ 0.06

≤ 0.10

≤ 0.10

≤ 0.15

温度稳定性Thermal Stability(dB/℃)

   ≤0.002

方向性Directivity (dB)

≥ 50

回波损耗Return Loss (dB)

≥ 50

尾纤长度 Lead length

     1 meter, others on request