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Topic: Glossary of fiber optic terms

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	Fiber Optic Glossary: A
		Attenuation: The decrease in signal strength along a fiber optic waveguide caused by absorption and scattering.
		Attenuation-Limited Operation: The condition in a fiber optic link when operation is limited by the power of the received signal (rather than by bandwidth or distortion).
		Axial Propagation Constant: For an optical fiber, the propagation constant evaluated along the axis of a fiber in the direction of transmission.
	www.fiber-optics.info /glossary-a.htm (843 words)

	Laser Glossary Defines Technology
		The process of separating an optical fiber by a controlled fracture of the glass, for the purpose of obtaining a fiber end, which is flat, smooth, and perpendicular to the fiber axis.
		For multi-mode fibers, the term means that the fiber is optimized for 850 nm and 1300 nm operations.
		In a fiber optic coupler, the optical loss from that portion of light that does not emerge from the nominal operation ports of the device.
	www.ing.unipi.it /~d7384/com_ottiche/LaserGlossario.html (3747 words)

	Fiber Optic Glossary Search Results
		Fiber optic connectors are used to align and join two or more fiber optic lines together to provide a means for attaching to, or decoupling from, a transmitter, receiver, or other fiber optic device.
		Fiber optic illumination is the conveyance or transmission of light from a source (output) to one or several fibers, allowing light to escape through the end of the fiber and illumination apparatus.
		In fiber optics, for a given mode propagating in a medium of refractive index, the velocity of light in vacuum, c, divided by the group velocity of the mode.
	www.timbercon.com /Fiber-Optic-Glossary/alphabet-process.html (10482 words)

	OPTEK Technologies - Fiber Optic Glossary
		The process of separating an optical fiber by a controlled fracture of the glass, for the purpose of obtaining a fiber end, which is flat, smooth, and perpendicular to the fiber axis.
		In fiber optics, a communication system where the output of a local laser oscillator is mixed optically with a received signal, and the difference frequency is detected and amplified.
		Fiber design in which the refractive index of the core is lower toward the outside of the fiber core and increases toward the center of the core; thus it bends the rays inward and allows them to travel faster in the lower index of refraction region.
	www.optekinc.com /products/fiber_glossary.asp (7172 words)

	Glossary of terms in Fiber Optic Technology (Site not responding. Last check: 2007-11-01)
		Measure of the information-carrying capacity of an optical fiber Note: This term is often used to specify the normalized modal bandwidth (MHz-km) of a multimode fiber.
		Three major types are (1) modal dispersion caused by differential optical path lengths in a multimode fiber; (2) chromatic dispersion caused by a differential delay of various wavelengths of light in a waveguide material; and (3) waveguide dispersion caused by light traveling in both the core and cladding materials in single mode fibers.
		The kilometer is a standard unit of length measurement in fiber optics.
	cableorganizer.com /fiber-optic-glossary (1969 words)

	Glossary of Terms: Fiber Optic Interconnection Solutions: Tyco Electronics (Site not responding. Last check: 2007-11-01)
		Extrinsic loss In a fiber interconnection, that portion of loss that is not intrinsic to the fiber but is related to imperfect joining, which may be caused by the connector or splice.
		Typical spectral widths are 20 to 60 nm for an LED and 2 to 5 nm for a laser diode.
		Step-index fiber An optical fiber, either multimode or single mode, in which the core refractive index is uniform throughout so that a sharp step in refractive index occurs at the core-to-cladding interface.
	www.tycoelectronics.com /fiberoptics/glossary.stm (2631 words)

	Seiko Instruments USA Inc. - Fiber Optic Products (Site not responding. Last check: 2007-11-01)
		A general term for those phenomena that cause a broadening or spreading of light as it propagates through an optical fiber.The three types are model, material and waveguide.
		In a fiber interconnection, that portion of loss that is not intrinsic to the fiber but is related to imperfect joining, which may be caused by the connector or splice.
		The term "light" was originally restricted to radiation visible to the human eye, with wavelengths between 400 and 700 nm.
	www.siifiber.com /html/faq/glossary.htm (2314 words)

	Fiber Optics LAN Section (FOLS): Technology - Fiber Information
		Singlemode fibers are typically used in long-distance telephony and cable TV applications, which must support high bandwidth applications and span transmission distances of hundreds of kilometers.
		Although optical fibers are very thin - slightly smaller than a human hair - they are actually composed of two kinds of glass: the core of the fiber is where light is carried, the cladding is the glass that surrounds the core.
		In terms of physical properties, the difference between these two fiber types is the diameter of the core, the light-carrying region of the fiber.
	www.fols.org /technology (796 words)

	Optical fiber : Fiber optic cable (Site not responding. Last check: 2007-11-01)
		An optical fiber (or fibre in British English) is a transparent thin fiber for transmitting light.
		Fibers are generally used in pairs, with one fiber of the pair carrying a signal in each direction.
		Fibers can be used as light guides[?] in medical and other applications where bright light need to be brought to bear on a target without a clear line-of-sight path.
	www.city-search.org /fi/fiber-optic-cable.html (833 words)

	OF Theory (Site not responding. Last check: 2007-11-01)
		In optical fibers, the power loss results from absorption and scattering and is generally expressed in decibels (dB) for a given length of fiber or per unit length (dB/km) at a specific wavelength.
		A fiber having a uniform refractive index in its core and a sharp decrease in refractive index at the corecladding interface.
		The increase in attenuation of a fiber near 1390 nm that occurs because of the hydroxyl (OH) ion impurity in the glass.
	www.rwm.org /of/theory031.htm (4543 words)

	[No title]
		Three major types are: (a) mode dispersion caused by differential optical path lengths in a multimode fiber; (b) material dispersion caused by a differential delay of various wavelengths of light in a waveguide material; and (c) waveguide dispersion caused by light traveling in both the core and cladding materials in singlemode fibers.
		Fiber design in which the refractive index of the core is lower toward the outside of the fiber core and increases toward the center of the core; thus it bends the rays inward and allows them to travel faster in the lower index of refraction region.
		That part of a fiber optic cable composed of Kevlar aramid yarn, steel strands, or fiberglass filaments that increase the tensile strength of the cable.
	www.itcom.itd.umich.edu /cabling/fib-glos.html (4287 words)

	Lennie Lightwave's Guide To Fiber Optics - Glossary Of Fiber Optic Terms
		Fiber tracer: An instrument that couples visible light into the fiber to allow visual checking of continuity and tracing for correct connections.
		Fiber identifier: A device that clamps onto a fiber and couples light from the fiber by bending, to identify the fiber and detect high speed traffic of an operating link or a 2 kHz tone injected by a test source.
		Microscope, fiber optic inspection: A microscope used to inspect the end surface of a connector for flaws or contamination or a fiber for cleave quality.
	www.jimhayes.com /lennielw/glossary.htm (2126 words)

	Glossary of Fiber Optic Terms - Web Exclusive - ASSEMBLY (Site not responding. Last check: 2007-11-01)
		Attenuation is one of the key factors that determine the cost of a fiber optic telecommunication network.
		Nanopositioning: a process involving precise motion and positioning with the accuracy of a fraction of a micrometer that is used to assemble fiber optic components.
		A small length of fiber is grabbed and its tip is encapsulated in a ferrule, which provides a housing necessary for rigidity and bonding purposes.
	www.assemblymag.com /CDA/Articles/Web_Exclusive/0e5a2fdd9c5c9010VgnVCM100000f932a8c0____ (777 words)

	Webmaster Tools Fiber Optic Glossary
		The process of cutting an optical fiber by a controlled fracture of the glass, for the purpose of obtaining a fiber end, which is flat, smooth, and perpendicular to the fiber axis.
		The space between the tube and the fiber is often filled with a gel to cushion the fiber.
		That part of a fiber optic cable composed of aramid yarn, steel strands, or fiberglass filaments that increase the tensile strength of the cable.
	www.logicalpackets.com /Network-Learning/fiber-optic.asp (1200 words)

	Fiber Optic Glossary
		The smallest angle from the fiber axis at which a ray may be totally reflected at the core/cladding interface.
		Fiber design in which the refractive index of the core is lower toward the outside of the fiber core and
		A term used to describe a light path through a fiber, as in multimode or singlemode.
	www.geocities.com /Athens/Aegean/6641/glossary.html (3832 words)

	Glossary of Fiber Optic Terms
		NA is also used to describe the angular spread of light from a central axis, as in exiting a fiber, emitting from a source, or entering a detector.
		Radiation-Hardened Fiber: An optical fiber made with core and cladding materials that are designed to recover their intrinsic value of attenuation coefficient, within an acceptable time period, after exposure to a radiation pulse.
		Strength Member: The part of a fiber optic cable composed of aramid yarn, steel strands, or fiberglass filaments that increase the tensile strength of the cable.
	mumbai.mtnl.net.in /~powertel/glossery.htm (3908 words)

	Matisse's Glossary of Internet Terms
		Term originated by author William Gibson in his novel Neuromancer the word Cyberspace is currently used to describe the whole range of information resources available through computer networks.
		The term may also have come from someone?s low opinion of the food product with the same name, which is generally perceived as a generic content-free waste of resources.
		A somewhat vague term generally referring to software that is secretly installed on a users computer and that monitors use of the computer in some way without the users' knowledge or consent.
	www.matisse.net /files/glossary.html (9203 words)

	Industrial Fiber Optics, Inc.
		This new module is an ideal hands-on training curriculum for industrial technology and vocational education studies in two of the most sought after industry technical skills today splicing a fiber optic cable and doing field installations of fiber optic connectors.
		With Industrial Fiber Optics' Speed of Light Apparatus, measuring the speed of light is now easy and quite accurate.
		With the proper combination of electronics, electro-optics and fiber optics this once-difficult measurement is simple and can be conducted in any lab or classroom.
	www.i-fiberoptics.com /educ/fomodul.htm (1339 words)

	Fiber Optic Tutorial - Glossary: fiber optic cable, fiber optic cable assembly, custom cable assembly.
		Connector: A device that provides for a demountable connection between two fibers or a fiber and an active device and provides protection for the fiber.
		This cable must be made of fiber and connectors of a matching type to the cables to be tested.
		Often used in terms of the maximum amount of loss that can be tolerated by a given link.
	www.lanshack.com /fiber-optic-tutorial-glossary.aspx (2361 words)

	Molex - Glossary - Fiber Optics Connectors
		A term used for expressing the total loses on a optical fiber consisting of the ration of light output to light input.
		Two major types are a)mode dispersion caused by differential optical path lengths in a multimode fiber, and b)material dispersion caused by a differential delay of various wavelengths of light in a waveguide material.
		: Fiber design in which the refractive index of the core is lower toward the outside of the fiber core and increases toward the center of the core; thus, it bends the rays inward and allows them to travel faster in the lower index of refraction region.
	www.molex.com /product/fiber/glossary.html (1529 words)

	Glossary of Terms for Fiber Optics
		In optical fibers, it is measured in decibels per kilometer at a specified wavelength.
		Lasers in fiber optics are used with single mode fiber cable for long distance applications, such as cable TV and telephone.
		Typical spectral widths are 20 to 60 nm for an LED and 2 to 5 nm for a laser diode.
	www.masterelectricians.com /The_Store/EX/Glossary_Fiber.htm (1386 words)

	"FIber Fence" - Perimeter Protection Security, Fiber Fence Fiber Optic Fence Perimeter Solution
		An alert occurs when someone causes a disturbance to the optical fiber, or to the Mouse Trip sensor to which it is attached.
		Fiber Optic Camera The versatile FIS Fiber Optic Video Camera can be used with both fiber optic and copper wire CCTV systems.
		We are the Fiber Optic Experts, our 2 day fiber optic training course will give you the knowledge and skills you need to install a fiber optic network.
	www.fiber-fence.com (340 words)

	Fiber Optic Cable / Adapter - Fiber Optic Cable, Fiber Cable, Fiber optic cables
		Fiber optic cable are long and thin strands of very pure glass about human hair.
		Fiber channel, a gigabit interconnect technology, allows concurrent communications between devices and peripherrals using SCSI and IP protocols Prices from 11.55 to 39.22.
		Fiber channel, a gigabit interconnect technology, allows concurrent communications between devices and peripherrals using SCSI and IP protocols,SC cables for solutions using 1 gigabit or lower speeds, LC cables for solutions using up to 2 gigabit speeds Prices from 7.80 to 380.69.
	www.national-tech.com /prodpages/fiberopticcableadapter.htm (357 words)

	TC Communications Services and Support - Fiber Optic Modems, Multiplexers, Multidrop (SCADA) Modem, RS-232, RS-422, ...
		Because the type and size of fiber optic cable can affect transmission distances, it is a good idea to verify the type and size of your fiber optic cable BEFORE ordering a connectivity device.
		For a given fiber optic device, this is the difference between launch power and receiver sensitivity.
		Fiber Optic Cable - Thin filaments of glass or other transparent material sheathed in an insulator through which a light beam may be transmitted for long distances by means of multiple internal reflections.
	www.tccomm.com /Services.htm (2333 words)

	--> FIBER GLOSSARY :: (Site not responding. Last check: 2007-11-01)
		Fiber Glossary Absorbency The propensity of a material to take in and retain liquid, usually water.
		Fiber Optic Glossary Cladding: The outside optical layer of the fiber that traps...
		Fiber Optic Communications Glossary The following terms are defined within the context...
	www.seniorenbegleitservice-hamburg.de /60426 (345 words)

	Fiber Optics User's Manual & Design Series
		A study of fiber optic transmission technology for fixed and drag-on STS payload umbilicals.
		The objective of this manual is to evaluate the technical and economic feasibility of using fiber optic technology for underground coal mine communications systems.
		A glossary produced by National Telecommunications and Information Agency and the National Bureau of Standards, which combines the interrelated disciplines of communications engineering, physics and measurement standards.
	www.igigroup.com /pub/reportseries/usersmanual.html (598 words)

	List of fiber optic terms - Wikipedia, the free encyclopedia
		This is a list of fiber optic terms derived from the Glossary of Telecommunication Terms published as Federal Standard 1037C.
		Please see the Federal Standard article for copyright-related issues, as not all parts of the source document are in the public domain.
		This page was last modified 16:31, 1 November 2005.
	en.wikipedia.org /wiki/Glossary_of_fiber_optic_terms (78 words)

	Glossary Of Fiber Optic Terms
		Cable Plant, Fibre Optic: The combination of fibre optic cable sections, connectors and splices forming the optical path between two terminal devices.
		Launch cable: A known good Fibre optic jumper cable attached to a source and calibrated for output power used used as a reference cable for loss testing.
		Microscope, Fibre optic inspection: A microscope used to inspect the end surface of a connector for flaws or contamination or a fibre for cleave quality.
	www.techoptics.com /pages/Glossary%20Of%20Fiber%20Optic%20Terms.html (2134 words)

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