SC Connector -FC Connector- ST Connector- LC Connector- ST Connector
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Tech Supply Is Your One Source For All Your SC Connector, FC Connector, ST Connector, LC Connector, ST Connector- Singlemode Fiber Optic Connectors-Data-Fiber
Optic Termination Kits
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American
Tech Supplies carries a complete line of SC Connector, FC Connector, ST Connector, LC Connector, ST Connector singlemode fiber optic connectors including
field installable single mode fiber optic connectors, Corning single mode fiber
optic connectors (compatible), and Alcoa fiber singlemode connectors. The FiberConXfield
installable connectors below are fiber optic connectors that are faster and easier
to install, making it the field installable connector of choice. This fiber optic
connector utilizes proven technology which includes a factory polished ceramic
ferrule, fiber stub and mechanical splice, which insure the best possible performance.
The FiberConX provides a low loss, reliable and user friendly fiber termination.
By eliminating the need for expensive splicing equipment, messy epoxies, polishing
films and curing ovens, the FiberConX is the ideal solution for increasing your
productivity, as well as your clients.
SC Connector- FC Connector- ST Connector-LC Connector- ST Connector
We
Offer Extreme Discounts For 100+ Quantities For Fiber Optic Connectors!
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PRICE GUARANTEE: Atek Communications will NOT
BE UNDERSOLD. Just provide us with a written
quote from any US competitor and Atek Communications will MEET or BEAT their
price! Call Us For Additional Details At
(866) 342-3721 |
Singlemode
Connector Style |
Description | -----Part
Number | ---Price
Per 100 |
| SC/UPC
SM One piece connector Pre-Dome 125um ferrule, Blue housing 0.9, 2.0 and 3.0mm
boots-SM-CON1001 SC/UPC
SM One piece singlemode connector Pre-Dome 126um ferrule, Blue housing 0.9,
2.0 and 3.0mm boots-SM-CON1002 | SM-CON1001 SM-CON1002 | $
255.00/ 100 pcs $
255.00/ 100 pcs |
| SC/APC
SM One piece singlemode connector Pre-Angle Cone 125um ferrule, Green housing
0.9, 2.0 and 3.0mm boots-SM-CON1003 SC/APC
SM One piece singlemode connector Pre-Angle Cone 126um ferrule, Green housing
0.9, 2.0 and 3.0mm bootsSM-CON1004
| SM-CON1003 SM-CON1004 | $
357.00/ 100 pcs $
357.00/ 100 pcs |
| FC/UPC
SM One piece singlemode connector Pre-Dome 125um ferrule, Blue housing 0.9,
2.0 and 3.0mm boots-SM-CON1005 FC/UPC
SM One piece singlemode connector Pre-Dome 126um ferrule, Blue housing 0.9,
2.0 and 3.0mm boots-SM-CON1006
| SM-CON1005 SM-CON1006 | $
295.00/ 100 pcs $
295.00/ 100 pcs |
| FC/APC
SM One piece singlemode connector Pre-Angled
125um ferrule, Green housing 0.9, 2.0 and 3.0mm boots
| SM-CON1007 | $431.00/
100 pcs |
| ST/UPC
SM One piece singlemode connector Pre-Dome 125um ferrule One piece connector ST/UPC
SM One piece connector-SM-CON1008 Pre-Dome
126um ferrule, Yellow 0.9, 2.0 and 3.0mm boots-SM-CON1009
| SM-CON1008 SM-CON1009 | $233.00/
100 pcs $233.00/
100 pcs |
| LC
SM Simplex singlemode connector, with 125 ferrule, blue housing White 3.0mm
boot LC
SM Simplex singlemode connector, with 125 ferrule, blue housing SM-CON1011 White
2.0mm boot
| SM-CON1010 SM-CON1011 | $295.00/
100 pcs $295.00/
100 pcs |
| LC
SM Duplex singlemode connector , with 125 ferrule, blue housing SM-CON1012 White
0.9mm boot | SM-CON1012 | $295.00/
100 pcs |
| LC
SM Duplex singlemode connector , with 125 ferrule, blue housing SM-CON1013 White
3.0mm boot LC
SM Duplex single mode connector , with 125 ferrule, blue housing SM-CON1014 White
2.0mm boot
| SM-CON1013 SM-CON1014 | $539.00/
100 pcs $539.00/
100 pcs |
|
SC
Duplex Blue Clip SM-CON2901 | SM-CON2901 | $
45.00/ 100 pcs |
Fiber
optic connectors have traditionally been the biggest concern in using fiber optic
systems. While connectors were once unwieldy and difficult to use, connector manufacturers
have standardized and simplified connectors greatly. This increasing user-friendliness
has contributed to the increase in the use of fiber optic systems; it has also
taken the emphasis off the proper care and handling of optical connectors.
This
article covers connector basics including the parts of a fiber optic connector,
installing fiber optic connectors, and the cleaning and handling of installed
connectors. For information on connector loss, see Connector Loss Test Measurement.
Figure
1 - Parts of a Fiber Optic Connector
Fiber-to-fiber
interconnection can consist of a splice, a permanent connection, or a connector,
which differs from the splice in its ability to be disconnected and reconnected.
Fiber optic connector types are as various as the applications for which they
were developed. Different connector types have different characteristics, different
advantages and disadvantages, and different performance parameters. But all connectors
have the same four basic components.
The Ferrule:
The
fiber is mounted in a long, thin cylinder, the ferrule, which acts as a fiber
alignment mechanism. The ferrule is bored through the center at a diameter that
is slightly larger than the diameter of the fiber cladding. The end of the fiber
is located at the end of the ferrule. Ferrules are typically made of metal or
ceramic, but they may also be constructed of plastic.
The Connector Body:
Also
called the connector housing, the connector body holds the ferrule. It is usually
constructed of metal or plastic and includes one or more assembled pieces which
hold the fiber in place. The details of these connector body assemblies vary among
connectors, but bonding and/or crimping is commonly used to attach strength members
and cable jackets to the connector body. The ferrule extends past the connector
body to slip into the coupling device.
The Cable:
The
cable is attached to the connector body. It acts as the point of entry for the
fiber. Typically, a strain-relief boot is added over the junction between the
cable and the connector body, providing extra strength to the junction.
The
Coupling Device:
Most
fiber optic connectors do not use the male-female configuration common to electronic
connectors. Instead, a coupling device such as an alignment sleeve is used to
mate the connectors. Similar devices may be installed in fiber optic transmitters
and receivers to allow these devices to be mated via a connector. These devices
are also known as feed-through bulkhead adapters.
Installing
Fiber Optic Connectors
The
method for attaching fiber optic connectors to optical fibers varies among connector
types. While not intended to be a definitive guide, the following steps are given
as a reference for the basics of optical fiber interconnection.
1.
Cut the cable one inch longer than the required finished length.
2.
Carefully strip the outer jacket of the fiber with no nick fiber strippers.
Cut the exposed strength members, and remove the fiber coating. The fiber coating
may be removed two ways: by soaking the fiber for two minutes in paint thinner
and wiping the fiber clean with a soft, lint-free cloth, or by carefully stripping
the fiber with a fiber stripper. Be sure to use strippers made specifically for
use with fiber rather than metal wire strippers as damage can occur, weakening
the fiber.
3.
Thoroughly clean the bared fiber with isopropyl alcohol poured onto a soft, lint-free
cloth such as Kimwipes®. NEVER clean the fiber with a dry tissue. Note: Use
only industrial grade 99% pure isopropyl alcohol. Commercially available isopropyl
alcohol is for medicinal use and is diluted with water and a light mineral oil.
Industrial grade isopropyl alcohol should be used exclusively.
4.
The connector may be connected by applying epoxy or by crimping. If using epoxy,
fill the connector with enough epoxy to allow a small bead of epoxy to form at
the tip of the connector. Insert the clean, stripped fiber into the connector.
Cure the epoxy according to the instructions provided by the epoxy manufacturer.
5.
Anchor the cable strength members to the connector body. This prevents direct
stress on the fiber. Slide the back end of the connector into place (where applicable).
6.
Prepare the fiber face to achieve a good optical finish by cleaving and polishing
the fiber end. Before the connection is made, the end of each fiber must have
a smooth finish that is free of defects such as hackles, lips, and fractures.
These defects, as well as other impurities and dirt change the geometrical propagation
patterns of light and cause scattering.
Connector
and Splice Loss Mechanisms
Connector
and splice loss is caused by a number of factors. Loss is minimized when the two
fiber cores are identical and perfectly aligned, the connectors or splices are
properly finished and no dirt is present. Only the light that is coupled into
the receiving fiber's core will propagate, so all the rest of the light becomes
the connector or splice loss.
End
gaps cause two problems, insertion loss and return loss. The emerging cone of
light from the connector will spill over the core of the receiving fiber and be
lost. In addition, the air gap between the fibers causes a reflection when the
light encounters the change n refractive index from the glass fiber to the air
in the gap. This reflection (called fresnel reflection) amounts to about 5% in
typical flat polished connectors, and means that no connector with an air gap
can have less than 0.3 dB loss. This reflection is also referred to as back reflection
or optical return loss, which can be a problem in laser based systems. Connectors
use a number of polishing techniques to insure physical contact of the fiber ends
to minimize back reflection. On mechanical splices, it is possible to reduce back
reflection by using non-perpendicular cleaves, which cause back reflections to
be absorbed in the cladding of the fiber.
The
end finish of the fiber must be properly polished to minimize loss. A rough surface
will scatter light and dirt can scatter and absorb light. Since the optical fiber
is so small, typical airborne dirt can be a major source of loss. Whenever connectors
are not terminated, they should be covered to protect the end of the ferrule from
dirt. One should never touch the end of the ferrule, since the oils on one's skin
causes the fiber to attract dirt. Before connection and testing, it is advisable
to clean connectors with lint-free wipes moistened with isopropyl alcohol.
Two
sources of loss are directional; numerical aperture (NA) and core diameter. Differences
in these two will create connections that have different losses depending on the
direction of light propagation. Light from a fiber with a larger NA will be more
sensitive to angularity and end gap, so transmission from a fiber of larger NA
to one of smaller NA will be higher loss than the reverse. Likewise, light from
a larger fiber will have high loss coupled to a fiber of smaller diameter, while
one can couple a small diameter fiber to a large diameter fiber with minimal loss,
since it is much less sensitive to end gap or lateral offset.
These
fiber mismatches occur for two reasons. The occasional need to interconnect two
dissimilar fibers and production variances in fibers of the same nominal dimensions.
With two multimode fibers in usage today and two others which have been used occasionally
in the past and several types of singlemode fiber in use, it is possible to sometimes
have to connect dissimilar fibers or use systems designed for one fiber on another.
Some system manufacturers provide guidelines on using various fibers, some don't.
If you connect a smaller fiber to a larger one, the coupling losses will be minimal,
often only the fresnel loss (about 0.3 dB). But connecting larger fibers to smaller
ones results in substantial losses, not only due to the smaller cores size, but
also the smaller NA of most small core fibers.
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