According to the report, the worldwide optical isolator
consumption reached USD 584.2 million last year in 2014. Optical isolator use was led by
Telecommunication applications with a 72 percent market share or USD 419.2
million. Market data in this study
report refers to consumption (use) for a particular calendar year; therefore,
this data is not cumulative data.
Optical isolators
are devices that allow light to be transmitted in only one direction. They are
most often used to prevent any light from reflecting back down the optical
fiber, as this light would enter the source and cause backscattering and
feedback problems. This is
especially important for high data rate transceivers and transponders, or those
devices requiring long span lengths between transceiver pairs. Optical feedback degrades signal-to-noise
ratio and consequently bit-error rate.
Continuing demand
for upgrading communication networks to accommodate rapidly increasing
bandwidth requirements will drive the steady consumption of optical fiber links.
Optical isolators are used with high-speed transmitters that are required to
transmit longer distances and/or multiple wavelength transmitters.
Optical isolators
are not widely used in Private Enterprise applications. The worldwide use of
fiber optic isolators in Cable TV device deployments are forecast to grow in
value at an annual rate of 4.9 percent (2014-2019), as optical fiber is
deployed closer to the home driven by multi-media applications.
Optical isolator
units are used in a variety of Military/Aerospace applications requiring
rigorous testing and harsh environment fiber optic (HEFO) certification to
ensure reliability and performance.
Laser-based fiber optic technology incorporating optical isolators are
used in a wide variety of air, sea, ground, and space applications.
A major user-group
within the Specialty application category is instrument-Laboratory/
R&D. Optical isolators are used for various
applications like noise reduction, medical imaging, pulse selection for mode
locked lasers, sensing, regeneration switches, disc master, optical trapping,
phase shifters, frequency modulation spectroscopy and general shuttering. The
optical isolators are also used in sensing for industrial, structures and other
many other communication product-oriented manufacturing/test/R&D uses.
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