free space optics

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free space optics

A high-speed optical wireless communication system that transmits light pulses through the air using infrared lasers. Requiring line of site, free space optics (FSO) provides point-to-point and point-to-multipoint transmission without requiring a government license for use of the spectrum.

Because weather conditions such as fog can reflect light signals, redundant paths can be created by sending multiple signals to reflectors on different buildings. Transmitters with multiple beams are also used to provide greater reliability.

In time, free space optics is expected to be used for short distances within high-speed buses in computers and switches, perhaps even within the chip itself. See visible light communication.


Multi-Beam FSO Transceiver
This FlightSpectrum unit transmits 1.25 Gbps up to 3,000 meters and sends multiple beams for greater reliability. Approximately 1x1x2 feet in size, it connects to single mode and multimode fiber. (Image courtesy of Lightpointe, www.lightpointe.com)
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References in periodicals archive ?
"The asset management roundtable discussions are extremely important as they facilitate the generation of new ideas and enable us to discuss potential future opportunities that are available in the market," according to Henk Hoogendoorn, managing director, FSO.
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FSO organizers announced their commitment to keeping Naqeebullah's case alive until getting the desired and stated demands and FATA reforms while appreciating those who had worked for the interests of FATA in different categories.
L3 CS-West has been developing robust and reliable FSO communications since 2007, enabling long- and short-haul transmission capabilities for enhanced dissemination of large volumes of video and data.
In relation fog, rain, and haze are atmospheric attenuation it's important to be taken into account of FSO system.
At the aperture plane of the receiver, the received FSO signal is modeled as
1.414(m)-l provides, when analyzing whether a group with an A organization (see below) exists, a corporation other than a "professional service corporation" cannot be an FSO. Under Prop.
The market for FSO is in the growth phase, while the market for VLC is currently in the introductory phase; both the markets are expected to grow further in the coming years.
Two vegetable oils: flaxseed oil (FSO) and sunflower oil (SFO) were added to the tested diets at level of 3% to formulate tested diets number 2 and 3.
* Standard accuracies of [+ or -] 0.25% FSO and optional improved accuracies of [+ or -] 0.05% FSO.
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