FOL-EDFA: Erbium Doped Fiber Amplifier Module

This Bench Top EDFA Module enables student to experimentally investigate the     principles and characteristics of EDFA in C Band ( 1530nm – 1565 nm)

Demonstrates amplification of 1550 nm wavelength along with the detection and     measurement of amplified signal.

Investigation and Analysis of Small and Large Signal Gain

Facility to implement Forward and Backward Pumping and Study Gain Characteristics

The Bench-top Integrated EDFA Training System consists of all the Optical     Devices and Components integrated in sturdy Aluminium Casing.

LASER DIODE@1550 nm     :      1.25 Gbps Laser Diode Module at 1550nm, In built Isolator
            Threshold Current Ith: 10 mA Typical, Output optical power 1mW.

PUMP LASER@ 980 nm       :Up to 100mW  980nm Pump Module, Minimum Kink-Free Power, Pmax(mW) – 120.  Uncooled.  

PUMP LASER DRIVER           : Max sink current – 3A. Multi-channel. Voltage controlled current sink.

OPTICAL DETECTOR             : 1.5 GHz  InGaAs PIN Photodiode Module. Responsivity: Typical 0.9 A/W in9/125 µm   Fiber, Spectral Range: 1250nmto 1600nm.

WDM                                     : Operating Wavelength(nm): 980/1550,
                                       Isolation > 20dB,Directivity > 60 dB

ERBIUM DOPED FIBER : C – Band Single Mode Fiber with 20 mtrs length

OPTICAL FILTER MODULE   : Center Wavelength : 1550nm @ 2nm BW

VARIABLE ATTENUATOR     : Attenuation Range:0.8 to 60 dB

SOFTWARE

User friendly GUI for monitoring and controlling of EDFA system
Operating modes like CW mode, VI characteristics mode, Internal & External Modulation.
Internal Modulation frequencies – 100Hz, 200Hz, 500Hz, 1KHz.
LASER controls like Supply ON/OFF, wavelength selection & driving currentselection.
Real time output signal monitoring of Photo-detector.