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1. US20100315620 - Method and metric for selecting and designing multimode fiber for improved performance

Office United States of America
Application Number 12797328
Application Date 09.06.2010
Publication Number 20100315620
Publication Date 16.12.2010
Grant Number 08351027
Grant Date 08.01.2013
Publication Kind B2
IPC
G01N 21/00
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
Applicants Panduit Corp.
Inventors Pimpinella Richard
Tudury Gaston E.
Agents McCann Robert A.
Clancy Christopher S.
Smolinski Zachary J.
Title
(EN) Method and metric for selecting and designing multimode fiber for improved performance
Abstract
(EN)

A new metric applicable to the characterization and design of multimode fiber (MMF) is described. The metric is derived from a Differential Mode Delay (DMD) measurement and when used in combination with industry-standard metrics such as Effective Modal Bandwidth (EMB) and DMD, yields a more accurate prediction of MMF channel link performance as measured by Bit Error Rate (BER) testing. The metric can also be used in the design of MMF for improved bandwidth performance. When implemented as a test algorithm in production, it can be used to select, sort, or verify fiber performance. This process can yield a multimode fiber design with a greater performance margin for a given length, and/or a greater length for a given performance margin.