Objective:
The aim of the experiment is to setting up a Fiber Optic analog link, study of Pulse amplitude Modulation & Pulse amplitude Demodulation through optical fiber.
Apparatus and Accessories:
- PAM Modulator
- PAM Demodulator
- Fiber Optics Analog Transmitter
- Fiber Optics Analog Receiver
- Optical Fiber ( 1 meter length )
Specifications of Fiber Optics Cable:
- Core material : Polymethyl Methacylate (PMMC)
- Cladding material : Fluorinated Polymer
- Fiber structure : Step index type
- Core / cladding diameter : 960 µ / 1000 µ
- Core refractive index : 1.492
- Cladding refractive index : 1.405 to 1.417
- Numerical aperture : 0.5 ( typical)
- Acceptance angle : 55 to 60 degrees
- Attenuation at 660nm : Typical 0.3 dB per meter
- Jacket material : Polythene ( Black) ; 2.2 mm OD.
Additional accessories required :
- Dual trace oscilloscope