Graded-index optical fibers of methyl methacrylate-vinyl benzoate copolymer with low loss and high bandwidth
- 9 July 1990
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 57 (2), 120-122
- https://doi.org/10.1063/1.103961
Abstract
The interfacial-gel copolymerization of 3/1, or 4/1 (wt/wt) methyl methacrylate-vinyl benzoate monomer mixture followed by heat drawing results in graded-index plastic optical fibers with attenuation loss of 212 and 134 dB/km at 652 nm, respectively, and with bandwidths of 170 and 260 MHz km, respectively, in comparison with 6 MHz km of the current step-index plastic optical fiber. Now, it has been confirmed experimentally that graded-index fibers are tremendously superior to step-index fibers for data-carrying capacity, while attenuation losses of both fibers are comparable.Keywords
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