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Amplifier Chains

Definition: amplifiers consisting of several stages

German: Verstärkerketten, Verstärkerkaskaden

Category: optical amplifiers

How to cite the article; suggest additional literature

An amplifier chain is a sequence of several amplifiers, which can subsequently amplify some signal. The first stage is often called the preamplifier and the last stage a power amplifier. Such schemes are common in electronics, but also in laser technology (as considered here), because the concept of an amplifier chain can have advantages compared with an approach where the full performance in expected from a single amplifier stage:

See also: amplifiers, multipass amplifiers, regenerative amplifiers, amplified spontaneous emission
and other articles in the category optical amplifiers

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