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Lock-in Amplifiers

A lock-in amplifier is a specialized electronic instrument used to extract and measure small signals embedded in noise or interference. It is particularly useful in fields such as spectroscopy, photonics, communications, and materials science, where researchers need to measure weak signals against a background of noise. Learn more about lock-in amplifiers →

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Glossary

amplifier A device that enlarges and strengthens a signal's output without significantly distorting its original waveshape. There are amplifiers for acoustical, optical and electronic signals.
lock-in amplifier A lock-in amplifier is a specialized electronic instrument used to extract and measure small signals embedded in noise or interference. It is particularly useful in fields such as spectroscopy, photonics, communications, and materials science, where...

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