4-ports Polarization Maintaining Circulator(1310 or 1550)


Specifications

Parameter

Unit

 Value

Center   Wavelength (λc)


1310

1550

Operating   Wavelength Range

nm

±30

±20

Typ.   Isolation, λc, 23

dB

50

30

Min.   Isolation, all wavelength range, 23

dB

40

22

Typ.   Insertion Loss, λc , 23 ,

dB

0.8

0.7

Max.   Insertion Loss, all temperature, all wavelength range

dB

1.1

1.0

Return   Loss

dB

≥55

Cross talk   (1 3,  2 4)

dB

≥50

Extinction   Ratio

dB

≥20

Power   handling(CW)

mW

≤500

Tensile   Load

N

≤5

Light path  type

A

1 2, 2 3, 3 4;

B

1 2, 2 3, 3 4, 4 1

Fiber Type  


 PM1550 Panda Fiber

Operating   Temperature

-5 to +70

Storage   Temperature

-40 to +85