Dispersion

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Dispersion

In statistics, the placement of data points along a chart relative to an average or mean line. Dispersion is important to finance as the data points of say, a stock, determine the mean, which in turn helps determines the stock's trend. Dispersion is also used to determine volatility: data points all over the chart indicate that a stock has wild fluctuation in price.
References in periodicals archive ?
In addition, OFS has improved several key geometry specifications in its 50 micron multimode fibers to industry-leading levels.
The cost of a premises network when installed using multimode fiber with 850-nm VCSELs is lower than the cost of a network that has been installed using either single-mode or multimode fiber with 1,300-nm lasers.
In order to meet this demand, an effective migration strategy is required to transition from 10Gb Ethernet to 40 and 100 Gigabit Ethernet 100GbE over multimode fiber for switch-to-server and storage area network connections in data centers, and for core switching and routing connections in the backbone.
By providing minimum RML bandwidth on our InfiniCor 300 and InfiniCor CL 1000 products, Corning will provide end users with bandwidth values that accurately predict multimode fiber performance when used in laser-based systems," says Carolyn Case, product line manager - Premises at Corning Incorporated.
Corning ClearCurve multimode fiber is designed to confine these modes within the fiber's core; the result is a virtually undiminished optical signal and a reduced risk of network downtime.
For SAN implementations, Fibre Channel includes a solution that uses laser-optimized multimode fiber with vertical cavity surface-emitting lasers (VCSELs) as a light source, at a wavelength of 850 nm for 10 Gbps up to 300 meters.
In August 1999, Corning and Gore achieved an industry first -- 600 meter serial transmission at 10 Gb/s over Corning(R) multimode fiber using a Gore VCSEL.
ClearCurve 50-micron multimode fiber meets or exceeds the OM3 industry standard for high-bandwidth, laser-optimized multimode fibers, as well as the proposed OM4 standard.
Last May, in a system using worst-case field conditions, the team demonstrated 10-gigabit serial transmission over 300 meters of prototype multimode fiber that was later introduced as LazrSPEED.
During its audit of the new DMD test stand, UL certified that PANDUIT Labs meets the performance and tolerance specifications outlined by TIA-455-220-A and IEC 60793-1-49 for measuring DMD of multimode fiber.
The paper also explains the manufacturing and process control methods implemented by fiber manufacturers to maximize multimode fiber bandwidth.
With extended reach capability, small footprint and low power consumption, the new transceivers satisfy a broad range of extended link applications on legacy multimode fiber applications up to 220 meters in enterprise networks, using electronic dispersion compensation (EDC).

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