Acta Photonica Sinica, Volume. 53, Issue 5, 0553108(2024)
Optical Microcavity Magnetic Sensors（Invited）
Figures & Tables(6)
Fig. 1. Schematic diagram of three kinds of optical microcavity structures
Fig. 2. Schematic diagram of the mechanism of optical microcavity magnetic sensors
Table 1. Performance summary of different kinds of optical microcavity magnetic sensors
View tableView in ArticleTable 1. Performance summary of different kinds of optical microcavity magnetic sensors
Different kinds of optical microcavity magnetic sensors Size Detection limit Responsibility Frequency Reference Magnetostrictive magnetic sensors ~104 μm3 400 nT/Hz1/2* — 11.5 MHz ［ 17 ］~104 μm3 200 pT/Hz1/2* — 17 MHz ［ 43 ］R~104 μm3 26 pT/Hz1/2* — 11.3 MHz ［ 44 ］~104 μm3 585 pT/Hz1/2* — 8.48 MHz ［ 45 ］~109 μm3 880 pT/Hz1/2* — 200 Hz ［ 47 ］~104 μm3 2 μT/ Hz1/2* — 3.55 MHz ［ 48 ］~104 μm3 150 nT/Hz1/2* — 2 Hz~1 kHz ［ 43 ］R~1012 cm3 131 pT/Hz1/2* — 100 kHz ［ 49 ］~109 μm3 146 pT/Hz1/2* — 16.85 kHz ［ 50 ］Torque magnetic sensors ~102 μm3 0.046 pT/Hz1/2*+ — 7.2 MHz ［ 52 ］~102 μm3 0.23 aT/Hz1/2*+ — 14.5 MHz ［ 53 ］Magneto-optic magnetic sensors ~109 μm3 — 0.43 nm/mT DC ［ 57 ］~105 μm3 — 0.53 nm/mT DC ［ 58 ］— — 10.260 2 nm/mT DC ［ 59 ］~109 μm3 2.2 mT 75.7 pm/mT DC ［ 60 ］~106 μm3 30 μT 2.15 pm/mT DC ［ 61 ］
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Jianfei LIU, Zhigang HU, Yimeng GAO, Beibei LI. Optical Microcavity Magnetic Sensors（Invited）[J]. Acta Photonica Sinica, 2024, 53(5): 0553108
Paper Information
Category: Special Issue for Microcavity Photonics
Received: Mar. 10, 2024
Accepted: May. 8, 2024
Published Online: Jun. 20, 2024
The Author Email: LI Beibei (libeibei@iphy.ac.cn)
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