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Dispersion and Modal Behavior of Different Optical Fiber Materials at Different Temperatures

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dc.contributor.author Barua, Sajib
dc.contributor.author Diba, Farha
dc.contributor.author Habib, A K M Ahosan
dc.date.accessioned 2015-06-29T07:12:37Z
dc.date.available 2015-06-29T07:12:37Z
dc.date.issued 2013-12
dc.identifier.uri http://hdl.handle.net/123456789/118
dc.description We have the pleasure, at this final stage of our thesis, to thank some of the exceptional people who helped us throughout the thesis. Firstly, we would like to thank our supervisor Dr. Md. Shah Alam, professor, department of EEE, Bangladesh Engineering University and Technology (BUET), whose emphatic guidance, instruction and supervision motivated us to work on this subject. It is he who persuaded our intrusive mind to bring out some dynamic result of our work. Without his sensible and prudent judgment and observation, we could hardly fulfill our job. We are grateful to Dr. Satya Prasad Majumder, Professor in the selection grade, Department of Electrical, Electronic and Communication Engineering (EECE), Military Institute of Science and Technology (MIST), for his immense help throughout the whole work. We would, however like to thank MIST authority and the faculty members of EECE for broadening their supporting hands throughout the work. iii en_US
dc.description.abstract Temperature dependent Sellmeier coefficients are necessary for determining different optical design parameters which are important for optical fiber communication system. These coefficients are calculated for fused Silica (SiO2), Aluminosilicate and Vycor glasses, to find the dependence of chromatic dispersion on temperature and at any wavelengths encompassing the profile dispersion parameter. The zero-dispersion wavelengths, for single mode fiber is modeled and investigated for all three materials, considering step-index fiber model. Temperature effects on zero-dispersion wavelengths, are also investigated for a wide range (-1200C to 1200C) as well as including the relative refractive index difference. The two important modal properties, the effective area and power propagation through the fiber are calculated first solely and then considering the perfectly matched layer (PML). It was found that the power propagation increased and the corresponding effective area decreased due to the use of PML which strongly supports the theory of confinement of light within the core region. We calculated the dependence of modal birefringence and polarization mode dispersion upon wavelength for different fiber materials. We also determined the sensitivities of these two parameters to temperature. Our results show that in the analyzed spectral range both modal birefringence and polarization mode dispersion decreases with wavelength. iv en_US
dc.description.sponsorship Electrical, Electronic and Communication Engineering, Military Institute of Science and Technology (MIST) en_US
dc.language.iso en en_US
dc.publisher Electrical, Electronic and Communication Engineering,Military Institute of Science and Technology (MIST) en_US
dc.relation.ispartofseries Bachelor of Electrical ,Electronis and Communication Engineering.;
dc.subject Dispersion , Modal Behavior, Optical Fiber, Materials, Temperatures. en_US
dc.title Dispersion and Modal Behavior of Different Optical Fiber Materials at Different Temperatures en_US


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