Polarization Maintaining Isolator (GK-PMI Series)

Parameter

Unit

Single Stage Dual Stage

Grade P  Grade A    Grade P  Grade A

Center Wavelength (λc)

-

1310, 1480, 1550

Min. Extinction Ratio for - F Version

nm

25          23           25         23

Min. Extinction Ratio for - B Version

dB

20          18           20         18

Typ. Peak Isolation

dB

42          40           58         55

Min. Isolation, λc ± 10 nm, 23  ℃
Typ. Insertion Loss, λc ± 20 nm, 23  ℃ , all polarization

dB dB

30          28           46         45

states
Max. Insertion Loss, λc ± 20 nm, all temperature, all

dB

0.4          0.5           0.5         0.7

polarization states

0.6          0.7           0.7         0.9

Min. Return Loss (Input/Output)

dB

55/50    55/50       55/50    55/50

Max. Optical Power (Continuous Wave)

mW

300

Max. Tensile Load

N

5

Fiber Type

-

PM Panda Fiber

Operating Temperature

℃

- 5 to + 70

Storage Temperature

℃

- 40 to + 85

IL is 0.3 dB higher, RL is 5 dB lower, and ER is 2 dB lower for each connector added. Connector key is aligned to slow axis.