Archive for June, 2009

Fiber Dispersion and Optical Dispersion – An Overview

June 21, 2009
Fiber Dispersion and Optical Dispersion – An Overview

Dispersion in optical fibers In an optical medium, such as fiber, there are three types of dispersion, chromatic, modal, and material. Chromatic Dispersion Chromatic dispersion results from the spectral width of the emitter. The spectral width determines the number of different wavelengths that are emitted from the LED or laser. The smaller the spectral...
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How to Take Care of Fiber Optic Connectors – Keep it Clean

June 20, 2009
How to Take Care of Fiber Optic Connectors – Keep it Clean

Buy Fiber Optic Connectors Here Buy Fiber Optic Connector Cleaning Supplies Here It is hard to conceive of the size of a fiber optic connector core. Single mode fibers have cores that are only 8~9um in diameter. As a point of reference, a typical human air is 50~75um in diameter, approximately 6-9 times larger....
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Optical Power Meters – The Most Import Thing You Need to Know about Fiber Optic Power Meters

June 20, 2009
Optical Power Meters – The Most Import Thing You Need to Know about Fiber Optic Power Meters

Buy Optical Power Meters Here The fiber optic power meter is a special light meter that measures how much light is coming out of the end of the fiber optic cable. The power meter needs to be able to measure the light at the proper wavelength and over the appropriate power range. Most power...
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Fiber Optic Connector Cleaning – Why is it so important?

June 19, 2009

Reliable optical networks require clean connectors. Any time one connector is mated to another, both connectors should be properly cleaned and inspected. Dirty connectors are the biggest cause of increased back-reflection and insertion loss in connectors, including angled polish connectors. A dirty ultra polish connector with a normal return loss of >55dB can easily...
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Fiber Optic Cable Management System Techniques

June 19, 2009
Fiber Optic Cable Management System Techniques

Buy Fiber Cable Management Products Here Fiber Optic Cable Routing Paths The first aspect of fiber cable management is cable routing paths. This aspect is related to fiber cable’s minimum bending radius as improper routing of fibers by technicians is one of the major causes of bend radius violations. Routing paths should be clearly...
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Fiber Optic Bend Radius Protection

June 18, 2009
Fiber Optic Bend Radius Protection

  Buy Fiber Optic Cable Management Products Here There are two basic types of bends in fiber—microbends and macrobends. As the names indicate, microbends are very small bends or deformities in the fiber, while macrobends are larger bends (see the figure below). The fiber’s radius around bends impacts the fiber network’s long-term reliability and...
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Optical Fiber Manufacturing

June 17, 2009
Optical Fiber Manufacturing

  Buy Optical Fiber Here Three methods are used today to fabricate moderate-to-low loss waveguide fibers: modified chemical vapor deposition (MCVD), outside vapor deposition(OVD), and vapor axial deposition (VAD). Modified Chemical Vapor Deposition (MCVD) In MCVD a hollow glass tube, approximately 3 feet long and 1 inch in diameter (1 m long by 2.5...
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Fiber Optic Connector Design

June 14, 2009
Fiber Optic Connector Design

Buy Fiber Optic Connectors Here The most basic design of demountable connector comprises a ferrule of hole diameter 128–129 μm into which the fiber is bonded using an appropriate adhesive as in the figure below. In this most fundamental form the ferrules can be rotated through 360° within an alignment tube or adaptor. This...
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Fiber Optic Coupler

June 3, 2009
Fiber Optic Coupler

Buy Fiber Optic Couplers Here What is a fiber optic coupler? A coupler is an optical device that combines or splits signals travelling on optical fibers. A port is an input or output point for light; a coupler is a multiport device. A coupler is passive and bidirectional. Because the coupler is not a...
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Laser Source and LED Source

June 3, 2009
Laser Source and LED Source

Buy Fiber Optic Light Source Here Optical signals begin at the source with lasers or LEDs transmitting light at the exact wavelength at which the fiber will carry it most efficiently. The source must be switched on and off rapidly and accurately enough to properly transmit the signals. Lasers are more powerful and operate...
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