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  SEDI Fibres Optiques,
8 rue Jean Mermoz
Z.A. de Saint Guénault
91080 COURCOURONNES

Tel: +33 1 69 36 64 32
Fax: +33 1 69 36 64 19 		 
     
  info@sedi-fibres.com
www.sedi-fibres.com 		 
     
 
GLOSSARY
 
Absorption
Source of attenuation due to (...)
 
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Acceptance angle
the maximum angle at which a light (...)
 
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Acrylate
Polymer material used for (...)
 
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Attenuation
The decrease in signal strength between light entering (...)
 
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Back reflection
Occurs when light propagating through the fiber (...)
 
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Bandwidth
A measure of the data-carrying capacity (...)
 
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Bend loss
Attenuation due to microscopic (...)
 
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Bend radius
The minimum radius of curvature (...)
 
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Biocompatibility
A characteristic of fiber and cable (...)
 
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Birefringence
A condition in an anisotropic medium (...)
 
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Buffer
Protective polymer applied on the coating (...)
 
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Cable
Mechanical protective element (...)
 
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Chromatic dispersion
Dispersion caused when different (...)
 
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Cladding
Material surrounding the core of a fiber (...)
 
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Coating
One or more organic or polymer layers (...)
 
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Core
The central, light-transmitting region (...)
 
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Cutoff wavelength
The wavelength below which (...)
 
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Dispersion
A broadening of the widths of optical (...)
 
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ETFE
Ethylene Tetrafluoroethylene (...)
 
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Fiber
Optical transmission element consisting (...)
 
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Fiber bragg grating
Optical fiber that contains a periodic grating (...)
 
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Graded index fiber
A multimode fiber in which the refractive index (...)
 
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Insertion loss
Attenuation due to the process of plugging (...)
 
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Jacket
A protective layer of polymer (...)
 
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LSZH
Low Smoke Zero Halogen: Materials used for (...)
 
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Mode
One of the discrete number of light rays (...)
 
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Mode dispersion
Dispersion resulting from the increased (...)
 
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Mode field diameter
The light spot diameter in a (...)
 
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Multimode fiber
A fiber with a core large (...)
 
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Numerical aperture
A measure that defines the acceptance (...)
 
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Operating wavelength
The wavelength in nanometers (...)
 
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PM Fiber
Polarization Maintaining fiber: An internally (...)
 
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Polyimide
A coating designed to boost a fiber’s upper (...)
 
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Preform
A glass rod, usually composed of silica (...)
 
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Rayleigh scattering
A source of attenuation in which light (...)
 
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Refractive index
The ratio of the speed of light in a vacuum (...)
 
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Single mode fiber
A step-index fiber with a core diameter (...)
 
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Step index fiber
A fiber with a constant refractive (...)
 
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Tight buffer cable
Cable construction where the buffer material (...)
 
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Water peak
The point or points on the optical attenuation (...)
 
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Wavelength
The distance between successive (...)
 
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Zero dispersion wavelength
The wavelength at which there is no (...)
 
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