This lab report details an experiment on fiber optic transmission, conducted at London South Bank University. The experiment's objectives were to determine the characteristics of a laser diode and measure the optical fiber's properties, including attenuation. The report covers the introduction to optical fiber transmission, outlining its advantages in long-distance communication and the components involved, such as laser diodes and fiber optic cables. The methodology section describes the equipment used, including ED-COM equipment, and the experimental procedures for determining laser diode characteristics and measuring optical fiber channel link attenuation. The results and findings section presents data on current vs. optical power, analyzed using MATLAB to generate a relationship curve. The discussion section explores the components of the FOC communication system, the operation of the laser diode, attenuation, and the importance of laser safety. The conclusion summarizes the experiment's findings, emphasizing the ability to detect optical fiber output, discuss laser diode attributes, and determine attenuation and bandwidth. The report includes references to relevant sources.
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