TIA/EIA-455-201:2001 (R2008)

$26.00

FOTP-201 Return Loss of Connectorized Polarization-Maintaining Fiber or Polarizing Fiber Pigtailed Devices and Cable Assemblies

Published By	Publication Date	Number of Pages
TIA	2001	26

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Category: TIA

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Description

Intent

This Standard specifies a procedure for the measurement of the
return loss of a fiber optic interconnection on single mode, highly
linearly birefringent optical fiber, i.e. either
polarization-maintaining (PM) fiber or polarizing (PZ) fiber. The
connector can be mounted on the PMF/PZF pigtail of a component or
part of a cable assembly. Return loss, as used in this Standard, is
the ratio of power incident on, or entering the DUT, to the total
power reflected by the DUT, expressed in decibels. The method
described in this Standard is the PMF/PZF equivalent of
ANSI/TIA/EIA-455-107 with the return loss reported as a positive
number.

Alternately, this measurement is sometimes called "reflectance"
for which the values are simply the negative of return loss. Thus,
"reflectance" is the ratio in decibels of the power reflected by
the DUT, to the power incident on, or entering the DUT. The
preferred terminology is "return loss" as will be used throughout
the rest of this Standard.

Additional information