Parameter

Unit

Single Stage

Dual Stage

Center Wavelength (λc)

nm

1950

Operating Wavelength Range

nm

± 20

Max. Insertion Loss, 23 ℃ (for SMF-28)

dB

1.6

1.8

Max. Insertion Loss, 23 ℃ (for SM1950)

dB

2

2.2

Max. Polarization Dependent Loss, 23 ℃

dB

0.2

0.2

Min. Isolation, λc ± 10 nm, 23 ℃, all polarization states

dB

22

38

Min. Filter Passband Isolation

dB

25

Pump wavelength Range

nm

1550 ± 20

Max. Pump Port Insertion Loss, 23 ℃ (Pump to Input)

dB

0.9 (A)

1.3 (B)

Max. Polarization Dependent Loss, 23 ℃

dB

0.2

Min. Isolation

dB

12

Min. Return Loss

dB

50

Max. Optical Power

W

1

Max. Peak Power for ns pulse

kW

5

Max. Tensile Load

N

5

Fiber Type

A

All SMF-28 or SM1950 fiber

B

Common&Pass: SM1950 fiber, Reflect: SMF-28 fiber

Operating Temperature

℃

-5 to +70

Storage Temperature

℃

-40 to +85