High-Precision Micro-Displacement Measurement Based on Self-Calibration and Optoelectronic Oscillators

Hao Luo,Jinlong Yu,Ju Wang

2023 Asia Communications and Photonics Conference/2023 International Photonics and Optoelectronics Meetings (ACP/POEM)（2023）

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摘要

In this work, a high-precision micro-displacement measurement based on self-calibration and optoelectronic oscillators is proposed and experimentally demonstrated. In the experiment, we achieved a sensitivity of 312.058 kHz/mm over a measurement range of 19 mm. The measurement resolution of the system can reach 356 pm. And the standard deviations are less than 130 nm.

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关键词

Displacement measurement,microwave photonics,optical filter,optoelectronic oscillator,radio frequency photonics

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