Realization of an optimized cylindrical uniform magnetic field coil via flexible printed circuit technology

doi:10.1088/1674-1056/ad84c1

Abstract The design and fabrication method of magnetic field coils with high uniformity is essential for atomic magnetometers. In this paper, a novel design strategy for cylindrical uniform coils is first proposed, which combines the target-field method (TFM) with an optimized slime mold algorithm (SMA) to determine optimal structure parameters. Then, the realization method for the designed cylindrical coil by using the flexible printed circuit (FPC) technology is presented. Compared with traditional fabrication methods, this method has advantages in excellent flexibility and bending property, making the coils easier to be arranged in limited space. Moreover, the manufacturing process of the FPC technology via a specific cylindrical uniform magnetic field coil is discussed in detail, and the successfully realized coil is well tested in a verification system. By comparing the uniformity performance of the experimental coil with the simulation one, the effectiveness of the FPC technology in producing cylindrical coils has been well validated.

Keywords: uniform magnetic field coil optimized target field method slime mold algorithm FPC technology

Received: 27 June 2024
Revised: 06 September 2024
Accepted manuscript online: 09 October 2024

PACS:	07.55.-w	(Magnetic instruments and components)
	07.55.Ge	(Magnetometers for magnetic field measurements)
	84.32.Hh	(Inductors and coils; wiring)
	02.30.Zz	(Inverse problems)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 62101004), the Opening Research Fund of Anhui Engineering Research Center of Vehicle Display Integrated Systems (Grant No. VDIS2023C05), the Opening Project of Key Laboratory of Electric Drive and Control of Anhui Province, China (Grant No. DQKJ202309), and the Excellent Scientific Research and Innovation Teams of Anhui Province, China (Grant No. 2022AH010059).

Corresponding Authors: Kang Yang
E-mail: yangkang@ahpu.edu.cn

Cite this article:

A-Hui Zhao(赵阿慧), Yong-Le Zhang(张永乐), Yue-Yue Liang(梁跃跃), Yi Zhang(张艺), Jun-Jun Zha(查君君), Dao-Rong Rui(芮道荣), Xiao-Qiang Zhang(张肖强), and Kang Yang(杨康) Realization of an optimized cylindrical uniform magnetic field coil via flexible printed circuit technology 2024 Chin. Phys. B 33 120702

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Realization of an optimized cylindrical uniform magnetic field coil via flexible printed circuit technology

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