Optical Isolators Global Market Forecast & Analysis (2009-2014)- Aarkstore Enterprise

June 12, 2010 - PRLog -- This is the ElectroniCast global forecast of consumption of free-space and in-line (fiber-to-fiber) optical isolators used in communication and specialty applications.

Optical isolators are passive devices that allow light to be transmitted in only one direction. They are most often used to prevent any light from reflecting back down the optical fiber, as this light would enter the source and cause backscattering and feedback problems. This is especially important for high data rate transceivers and transponders, or those devices requiring long span lengths between transceiver pairs. Optical feedback degrades signal-to-noise ratio and consequently bit-error rate. Ideally an isolator would pass all light in one direction and block all light in the reverse direction.

Inline fiber optical isolators are typically designed in pigtail fashion; therefore, they come with built-in fiber optic cable and (optional) connectors so that they may be integrated directly into a fiber optic system. Free space isolators, by contrast, usually do not have an integral connection system (some free-space units are available with pigtails); typically, they are directly mounted to the object that needs isolation.

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