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Gain Flattening Filter

Gain Flattening Filter

The Gain Flattening Filter is a micro optics device based on environmentally stable thin-film filter technology. It is used to flatten the spectral gain in EDFAs. The components are characterized with low error function, low insertion loss, high return loss, excellent environmental stability and high power handling capability.
Product Detail

Key Features

Applications

Low Error Function

EDFA

Low Insertion Loss

Raman Amplifier

Specifications

 Parameter

Unit

Value

 Wavelength Range

nm

As filter spec

 Max. Peak Insertion Loss

dB

0.6

 Typ. Peak Insertion Loss

dB

0.4

 Peak to Peak in Error Function, 23 ℃

dB

0.5

 Wavelength Thermal Drift

nm/℃

≤ 0.002

 Min. Return Loss

dB

50

 Max. Polarization Dependent Loss  

dB

0.1

 Polarization Mode Dispersion

ps

0.1

 Max. Optical Power (Continuous Wave)

mW

300

 Max. Tensile Load

N

5

 Fiber Type  

-

SMF-28 Fiber

 Operating Temperature

- 5 to + 70

 Storage Temperature

- 40 to + 85

1IL is 0.3 dB higher, RL is 5 dB lower for each connector added. 

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