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Experimental Result Paper | Electronics & Telecommunication Engineering | Libya | Volume 12 Issue 4, April 2023

Practical and Theoretical Comparison and testing Between Two Wave Length Applied to Single - Phase Optical Fiber Cable by using OTDR

Ahmed Othman ^[2] | Maream Othman | Mohammed Mansour ^[3]

Abstract: Due to the development of optical fibers during the past decades, a rapid development that exceeded expectations, which made it the main element in the means of communication, where the goal became not only to provide communication, but also to transfer data with a large capacity, high speed and safety . Where the types of optical fibers were presented, with its advantages of each type, and its wavelength for each type operates on. As well as how to choose a cable to be used according to the specifications and environment in which the cable is to be installed. Then, the procedure for thermal welding of a cable was done in order to get highly accuracy results. After that, the calculation of losses in fiber optics through the link budget was discussed. A detailed study was conducted to analyze the system accounts using the OTDR device. Therefore, experiments were carried out on an optical fiber laboratory with a length of 8 km and a single - phase cable. Moreover, the test was done on two 1310nm and 1550nm wavelengths. Finally, a comparison was made with the practical result and shows that the optical fiber with Wavelength at 1550nm better than 1310 nm wavelength in terms of the loss and the possibility of its use in long distance. Besides the cable with wavelength 1550 nm is affected by bending over wavelength 1310 nm due to long distance.

Keywords: OTDR, 1550mm, optical, fibers

Edition: Volume 12 Issue 4, April 2023,

Pages: 323 - 328