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Boost Your Signal-to-Noise Ratio with Lock-in Detection

7 septembre 2023
Speakers: Heidi Potts

Plateforme: Physics Today

New technologies based on smaller and ever-more powerful devices often require precise measurements of tiny signals that are buried in noise.

In this tutorial, we learned how to use lock-in amplifiers and optimize measurement parameters to get the best signal-to-noise ratio. We discussed three common use cases: optics and photonics experiments, material characterization, and resonator characterization. Finally, we looked at more advanced techniques, such as double modulation and multi-frequency measurements.

Read our blog post for the summary of the event and answers to the questions from the live audience.