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physics.optics2024★ 5 cited
Integrating high-precision and fringe-scale displacement sensing using heterodyne cavity-tracking
Shreevathsa Chalathadka Subrahmanya, Christian Darsow-Fromm, Oliver Gerberding
We present a heterodyne stabilized cavity-based interferometer scheme that can serve as a compact and high-sensitivity displacement sensor with a fringe-scale operating range. The…
physics.ins-det2024★ 2 cited
On the Development of an RFSoC-Based Ultra-Fast Phasemeter With GHz Bandwidth
Shreevathsa Chalathadka Subrahmanya, Christian Darsow-Fromm, Oliver Gerberding
Precise measurements of the frequency and phase of an electrical or optical signal play a key role in various branches of science and engineering. Tracking changing laser frequenci…