Magnetic-field tuning whispering gallery mode based on hollow microbubble resonator with Terfenol-D-fixed

Guo Ying; Zhang Yundong; Su Huaiyin; Zhu Fuxing; Yi Guo; Wang Jinfang

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Magnetic-field tuning whispering gallery mode based on hollow microbubble resonator with Terfenol-D-fixed

机译：基于中空微胶布谐振器的磁场调谐耳语廊道模式，具有Terfenol-D固定的

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We propose a method of magnetic-field tuning whispering gallery modes (WGMs) based on a hollow microbubble resonator (HMBR) with Terfenol-D-fixed. WGMs are excited, by the evanescent field from a tapered fiber coupling with an HMBR. Both ends of the HMBR are fixed with Terfenol-D and vary with different lengths of the Terfenol-D. The length of the Terfenol-D varies with the external magnetic field for the high magnetostriction coefficient of Terfenol-D. The magnetic field sensitivity of 0.081 pm/mT in the magnetic field range of 0.14 mT-21.8 mT is achieved. The Q-fact or of the HMBR can be regulated up to 2.07 x 10(4) with physical stretching HMBR. This work provides a novel tuning whispering gallery mode scheme and a broad application prospect in the fields of optical measurement and precise optical clocks in the future. (C) 2019 Optical Society of America

机译：我们提出了一种基于具有Terfenol-D固定的中空微胶质谐振器（HMBR）的磁场调谐潜在耳语展示画廊模式（WGM）的方法。通过与HMBR的锥形光纤耦合的渐变光场，从渐逝场进行激发。 HMBR的两端用萜卷-D固定，并随着不同长度的Terfenol-D而变化。 Terfenol-D的长度随着Terfenol-D的高磁致伸缩系数的外部磁场而变化。磁场灵敏度达到0.081μm/ mt在0.14mt-21.8mt的磁场范围内。 Q-FACT或HMBR可以调节高达2.07 x 10（4），具有物理拉伸HMBR。这项工作提供了一种新颖的调整耳语画廊模式方案，并在未来光学测量和精确光学时钟领域的广泛应用前景。（c）2019年光学学会

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《Applied optics》 |2019年第32期|共5页
作者
Guo Ying; Zhang Yundong; Su Huaiyin; Zhu Fuxing; Yi Guo; Wang Jinfang;
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Harbin Inst Technol Inst Opto Elect Natl Key Lab Tunable Laser Technol Harbin 150080 Heilongjiang Peoples R China;

Harbin Inst Technol Inst Opto Elect Natl Key Lab Tunable Laser Technol Harbin 150080 Heilongjiang Peoples R China;

Harbin Inst Technol Inst Opto Elect Natl Key Lab Tunable Laser Technol Harbin 150080 Heilongjiang Peoples R China;

Harbin Inst Technol Inst Opto Elect Natl Key Lab Tunable Laser Technol Harbin 150080 Heilongjiang Peoples R China;

Shanghai Spaceflight Precis Machinery Inst Shanghai 201600 Peoples R China;

Shanghai Aerosp Control Technol Inst Shanghai Engn Res Ctr Inertia Shanghai 200233 Peoples R China;

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Magnetic-field tuning whispering gallery mode based on hollow microbubble resonator with Terfenol-D-fixed

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