Fiber Optic Wiki

Fiber-optic communication

June 1, 2011

Fiber-optic communication is a method of transmitting information from one place to another by sending pulses of light through an optical fiber. The light forms an electromagnetic carrier wave that is modulated to carry information. First developed in the 1970s, fiber-optic communication systems have revolutionized the telecommunications industry and have played a major role in the advent of the Information Age. Because of its advantages over electrical transmission, optical fibers have largely replaced copper wire communications in core networks in the developed world.

Fiber optic sensors

June 1, 2011

Fibers have many uses in remote sensing. In some applications, the sensor is itself an optical fiber. In other cases, fiber is used to connect a non-fiberoptic sensor to a measurement system. Depending on the application, fiber may be used because of its small size, or the fact that no electrical power is needed at the remote location, or because many sensors can be multiplexed along the length of a fiber by using different wavelengths of light for each sensor, or by sensing the time delay as light passes along the fiber through each sensor. Time delay can be determined using a device such as an optical time-domain reflectometer.

Other uses of optical fibers

June 1, 2011

Fibers are widely used in illumination applications. They are used as light guides in medical and other applications where bright light needs to be shone on a target without a clear line-of-sight path. In some buildings, optical fibers route sunlight from the roof to other parts of the building (see nonimaging optics). Optical fiber illumination is also used for decorative applications, including signs, art, toys and artificial Christmas trees. Swarovski boutiques use optical fibers to illuminate their crystal showcases from many different angles while only employing one light source. Optical fiber is an intrinsic part of the light-transmitting concrete building product, LiTraCon.

Fiber Optic Attenuators with Doped Fiber

May 11, 2011

What are Fiber Optic Attenuators?

Fiber optic attenuators are used in applications where the optical signal is too strong and needs to be reduced. There are many reasons why this need may arise. You may need to equalize channel strength in a multi-wavelength system or reduce the optical level to meet the input specifications of an optical receiver. In both of these cases, a point reduction in optical signal strength is required.

Commonly Used Multimode Optical Fibers

May 11, 2011

Multimode optical fiber is a type of optical fiber widely used for shorter distance applications (data center, campus, premise, etc), due to its larger core sizes (62.5um and 50um), high capacity, and high reliability.

Optical network hardware market increase

May 10, 2011

The worldwide optical network hardware market increased 10% to $3.38 billion in the last quarter compared to the previous quarter according the latest research figures from Infonetics Research.

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