Know in Details about Optical Attenuator

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An optical attenuator is a device commonly won’t decrease the extent of the power of an optical signal during a fiber optic communication system. In fiber optics, attenuation is additionally called transmission loss. Attenuation is a crucial element to limit the transmission of a digital signal traveling in large distances using an optical attenuator. An optical attenuator reduces this optical signal because it travels along with free space or glass fiber. It’s the reduction in light signal intensity with reference to the space traveled by the signal during a transmission medium. There are three basic sorts of optical attenuator: the fixed attenuator, step-wise attenuator, and therefore the continuously variable attenuator. Fixed attenuators reduce light signals by a certain amount with negligible or no reflection. The gap loss principle is one common principle. Attenuators using this principle are sensitive to the modal distribution before the attenuator. Fiber collimator is very useful. Thus, they ought to be utilized at or near the transmitting end. This problem is avoided by attenuators that use absorptive or reflective principles.

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