Fiber Optics Digital Communication System

Objective :

Digital Transreceiver module to transmit and receive digital signal through Optical Fiber.

The trainer contains :

• I.C. regulated +  5 V @ 500mA
• Square wave Generator :
  • 100 Hz to 100K Hz.
  • Output 0 to 5 V peak to peak
  • 50 Ohms output impedance,
  • Digital frequency counter.
• digital Modulator with LED                                                                
• Digital Demodulator with Phototransistor                                           
• One meter plastic Fiber with SMA connector.
  • Specifications :
    1. Core material : PMMA ( Polymethyl Methacylate)
    2. Cladding material : Flourinated Polymer.
    3. Fiber structure : Step Index type.
    4. Core / Cladding diameter : 960 Micron / 1000 Micron.
    5. Core refractive index : 1.492
    6. Cladding refractive index : 1.405 to 1.417
    7. Numerical aperture : 0.5 (typical)
    8. Acceptance angle : 55 to 60 degrees
    9. Attenuation at 660 nm : Typical 0.3 dB per meter
    10. Jacket material :  Polythene (Black); 2.2 mm  OD