modal bandwidth


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modal bandwidth

The capacity of an optical fiber measured in MHz-km (megahertz over one kilometer). One MHz-km equals approximately .7 to .8 Mbps. Thus, a 100 MHz-km fiber can carry about 70 to 80 Mbps of data.
References in periodicals archive ?
All products in the LaserWave fiber family meet and exceed the specification requirements of both the EMBc and the more discriminating DMD mask methods for verifying Effective Modal Bandwidth.
0 dB and is guaranteed by meeting the effective modal bandwidth requirement of 2000 MHz-km at 850 nm.
Provides at least 4,700 MHz*km effective modal bandwidth at 850 nm
Provides at least 3,500 MHz*km overfilled modal bandwidth at 850 nm
The fiber supports an effective modal bandwidth (EMB) of 4700 MHz*km at 850 nm when used with 10 Gb/s Ethernet compliant VCSELs.
LaserWave fiber meets and exceeds the specification requirements of both the EMBc and the more discriminating DMD mask methods for verifying Effective Modal Bandwidth.
UL) for its capability to measure Differential Mode Delay (DMD) and calculate the Effective Modal Bandwidth (EMBc) of laser optimized multimode fiber.
0 Modal bandwidth (1,300 nm): 500 MHz/km Attentuation for link, including component loss (1,300 nm): 11.
Transmission distances are 300 meters over legacy multi-mode fiber, which is specified as a minimum modal bandwidth of 500MHz-km in the 1310nm window.
It models the transverse output field characteristic of multimode lasers, the spatial coupling of multimode components including lasers and fibers, the modal propagation and dispersion in multimode fiber, encircled flux, differential mode delay, and modal bandwidth.