发明名称 METHOD OF COMPENSATING FOR DIFFERENTIAL MODAL DELAY IN MULTIMODE FIBRE-OPTIC LINE IN LOW-MODE SIGNAL TRANSMISSION
摘要 FIELD: physics.SUBSTANCE: main multimode optical fibre transmission line is connected in series to a compensating multimode optical fibre whose parameters are selected depending on the parameters of the main multimode optical fibre transmission line. The refraction index profile and the length of the compensating multimode optical fibre are selected based on the condition of minimisation of the valuewhere M is the number of directed modes; ?(j) is the value of the group velocity of the j-th mode LPof the main multimode optical fibre;is the value of the group velocity of the mode LP(j) of the same order in the compensating multimode optical fibre.j = 1?M, where ?, ?are the maximum and minimum value of the group velocities of M mode components of the low-mode signal in the main fibre of the transmission line; Q = L/Lis the compensation parameter which determines the length of the compensating multimode optical fibre.EFFECT: higher bandwidth of the transmission line.8 dwg
申请公布号 RU2468399(C2) 申请公布日期 2012.11.27
申请号 RU20100139099 申请日期 2010.09.22
申请人 GOSUDARSTVENNOE OBRAZOVATEL'NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL'NOGO OBRAZOVANIJA "POVOLZHSKIJ GOSUDARSTVENNYJ UNIVERSITET TELEKOMMUNIKATSIJ I INFORMATIKI" (GOUVPO PGUTI) 发明人 BURDIN ANTON VLADIMIROVICH
分类号 G02B6/14 主分类号 G02B6/14
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