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"OneShot" SMA
 
Home / Products / COMPONENTS / Connectors / standard Product Range/ "OneShot" SMA
 
 
description

A fiber optic delivery system is generally made of :
• A fiber optic with or without protection tube
• An SMA connector
• A custom assembly according to the application

Recent development has led to a complete redesign of the SMA connector to meet the cost objective of “disposable fiber”. Priority has been given to reducing manufacturing cost of the connector.
But the real challenge was to reduce the cost of assembly on the fiber. 
For many years we have assembled thousands of connectors with the “crimp and cleave" technology.
From this experience we have developed a solution for this new connector.

The result is a global concept we are offering under the name “One Shot” with :
• A disposable SMA connector (“One shot”)
• HCS fibers in 200μm, 300μm, 400μm and 600μm diameter
• Ultra fast “crimp and cleave” assembly technology (<1mn)
• Very simple assembly tool with no consumable product and more than 10000 cleave without service needed.
   
 
 

Connector

The " OneShot " SMA connector is an all metal (body and ferrule) connector allowing sterilisation (Ethylene oxyde or autoclave). The screw cap has a mixed shape: partly hexagonal for direct manipulation by the operator (generally with gloves) and partly cylindrical to be inserted in a hand piece for easier screwing. A long and thin tube at the rear side is designed for multi points crimping.

CLEAVING
The optic end face of a fiber must be plane, perpendicular to the axis and with a “mirror” aspect. The quality of this end face is an essential factor of fiber delivery system performance.

Two different process are commonly used:
• Polishing or
• Cleaving.

Polishing is a rather long process and is using costly consumable. On the contrary cleaving is a quick process with no consumable. It gives perfectly transparent optic faces by natural cleave of the molecular structure of silica.
However the choice of the cleaving tool is essential: the CT2 tool that we offer is user friendly and gives consistent results.

CRIMPING
Crimping assembly on a fiber optic is a highly technical operation.
As a matter of fact every stress in the fiber generate optical attenuation.
HCS fibers are well suited because of their large numerical aperture and their specific polymer cladding which allows exceptional mechanical performances (see Silica Silica HCS fibers page).
The SMA “OneShot” connector has been designed to take advantage of these fibers and reduce crimping induced attenuation. Crimping is made directly on the Tefzel coating with a long tube avoiding high pressure points.

 
 
 

Applications

Medical applications using fiber optic delivery system are constantly increasing. 
Dermatology, cardiology, ophthalmology, dentistry, aesthetic, etc…laser beam delivery, light transport, power, fluorescence… 
Problems to be solved vary considerably but with a constant request : avoid contamination.
Concerning biocompatibility, silica fibers HCS, HCG/HCL and TCG/TCL are non-toxic and fully approved USP class VI. 
Concerning sterilisation, these fibers as well as the other materials used in our assemblies can be sterilized by certified organizations. However to really avoid contamination risk, disposable fiber optic delivery system is the ultimate solution. In this case, low cost is an essential factor.
 
 
 
 

DATASHEET

 
OneShot SMA Connector
 
 
Home / Products / COMPONENTS / Connectors / standard Product Range/ "OneShot" SMA
 
 
OUR DETAILS
8 Rue Jean Mermoz, Z.A Saint-Guénault
91080 Courcouronnes - FRANCE
+33 1 69 36 64 32

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