الفهرس | Only 14 pages are availabe for public view |
Abstract The bit-~ate-~epeate~ spac:irl~l p~oduc:t of fibe~-optic classical. digital t~ansmission system IS studied ove~ a wide ~anges of pa~amete~s of sou~ces ~ fibers ~ and ~ detecto~s and ac c.cr d in(;;J to eithe~ modal e·ffec:ts C)r~ a~e p~edominant. The set of pa~amete~s which ma;·: imi z E’~S the p~oduct is investigated unde~ wi de ~anges o·f var’-ic:d:ions.The cases of limit<:\tiorl d i sper-sion-f ~ f:.?e eithe~ uppe~-bond o~ a~e also investigated. Also this st.udy. bit-rate - repeate~ in <:\nDthe~ spacing p~oduct in the case of hybrid digital transmission system involving 2R-~epeaters ( Reshaping and Regenerating) between 3R-~epeate~s ( F(eshap i[H;;J~ F~etimirH~ ~ is studied ove~ the same wide ~anges of pa~arneters. The attenuation coefficient conside~ed a function of 1·--- :;:, the lase~ f~equency ~ modal d i sspsar ss i ori b a n dw i d t.h materialanc:1 _dispe~sion bandwidth. Fo~ the same set of the affecting pa~amete~s it is found that the hyb~id system IS capable to transmit high bit-rate compa~ed to the classical one The optical fiber links between repeate~s are made of the binary glass (GeO +8iO in which both the dispersion and th~ attenuation are fUrlctions of the percentage of 5e02 |