2 µm Polarization Maintaining Fused Wavelength Division Multiplexer (GK-PMWDM Series)

Parameter

Unit

Value

Longer Operating Wavelength

nm

2000 ± 20, or specified

Max. Insertion Loss

dB

0.7

Min. Isolation

dB

13

Min. Extinction Ratio

dB

20

Shorter Operating Wavelength

nm

1570 ± 20   800± 20   650 ± 20

Max. Insertion Loss

dB

0.7   0.7   1.5

Min. Isolation

dB

15  15  10

Thermal Stability

dB/℃

≤ 0.005

Min. Return Loss

dB

55

Min. Directivity

dB

55

Max. Optical Power (Continuous Wave)

mW

300

Fiber Type

-

PM 1550 Panda fiber

Operating Temperature

℃

- 5 to + 70

Storage Temperature

℃

- 40 to + 85

IL is 0.5 dB higher, RL is 5 dB lower, and ER is 2 dB lower for each connector added. Connector key is aligned to slow axis.
Test at central wavelength only.