TIA-455-203-A:2009 (R2014)

$29.90

FOTP-203 Light Source Encircled Flux Measurement Method

Published By	Publication Date	Number of Pages
TIA	2009	44

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Description

This FOTP is intended to characterize the encircled flux of two
types of light sources: transmission light sources, which are
usually coherent and substantially under-excite the mode volume of
a multimode fiber, and measurement light sources, which are
incoherent and must excite most of the mode volume of a multimode
fiber.

This FOTP sets forth a standard procedure for the collection of
two-dimensional fiber optic nearfield grayscale data and subsequent
reduction to one-dimensional data expressed as a set of three
sampled parametric functions of radius from the fiber's optical
center. This revision of this FOTP continues to fulfill its
original purpose, characterization of transmission light sources,
which enables the accurate mathematical prediction of minimum
guaranteed link length in 1 gigabit per second or greater fiber
optic data communication systems. New to this revision is support
for improved measurement precision of insertion loss in multimode
fiber optic links through the characterization of measurement light
sources.

Estimation of the fiber core diameter is not an objective of
this FOTP.

Additional information