Jianyu Yang, Nan Li, Xunmin Zhu, Ming Chen, Mian Wu, Xingfan Chen, Cheng Liu, Jian Zhuang, Huizhu Hu
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引用次数: 0
Abstract
Abstract In recent years, levitated particles of optical traps in vacuum have shown the enormous potential for precision sensor development and new physics exploration. However, the accuracy of the sensor is still hampered by the uncertainty of the calibration factor relating the detected signal to the absolute displacement of the trapped particle. In this paper, we suggest and experimentally demonstrate a novel calibration method for optical tweezers based on free-falling particles in vacuum, where the gravitational acceleration is introduced as an absolute reference. Our work provides a calibration protocol with a great certainty and traceability, which is significant in improving the accuracy of precision sensing based on levitated optomechanical systems.
Photonic SensorsPhysics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
8.60
自引率
2.30%
发文量
270
审稿时长
13 weeks
期刊介绍：
Photonic Sensors publishes original, peer-reviewed articles that report on new developments of interest to both the photonics and sensor communities in all fields of photonic sensing science and technology. Topics include optical fiber sensors, planar waveguide sensors, laser-based sensors, and biophotonic sensors, etc. Photonic Sensors focuses on experimental contributions related to novel principles, structures or materials for photonic sensors. Papers that report on investigations based on combinations of experimental and analytical/numerical approaches are also welcome.
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