Get Acquainted with the Basics of Fiber Optic Attenuator

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By inserting the device in the fiber path with an in-line configuration, the gap-loss principle reduces the optical power level. To prevent the saturation of the receiver, Gap-loss attenuators are used and are placed near the transmitter. Between two optical fibers, Gap-loss attenuators use a longitudinal gap so that the optical signal passed to another from one optical fiber can be minimized. To spread out as it leaves the optical fiber, this principle allows the light from the transmitting optical fiber. Some of the light is lost in the cladding because of a gap and the spreading occurred when the light gets to the receiving optical fiber. To ensure its effective performance, these optical attenuators should be kept close to the transmitter. An optical attenuator using reflective or absorptive techniques is more suitable to reduce the signal farther down the fiber path.

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