Prototype development of ion source control and acquisition system based on wireless optical communication

Ren Yuanhang; Liang Lizhen; Hu Xingguang; Wang Jichao; Liu Yang; Li Xiaohua

doi:10.11884/HPLPB202537.250197

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Ren Yuanhang, Liang Lizhen, Hu Xingguang, et al. Prototype development of ion source control and acquisition system based on wireless optical communication[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.250197

Citation:

Ren Yuanhang, Liang Lizhen, Hu Xingguang, et al. Prototype development of ion source control and acquisition system based on wireless optical communication[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.250197

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Prototype development of ion source control and acquisition system based on wireless optical communication

doi: 10.11884/HPLPB202537.250197

1.
School of Mechanics and Optoelectronic Physics, Anhui University of Science and Technology, Huainan 232000, China
2.
Institute of Energy, Hefei Comprehensive National Science Center(Anhui Energy Laboratory), Hefei 230031, China)

Received Date: 2025-07-04
Accepted Date: 2025-08-22
Rev Recd Date: 2025-08-22

Available Online: 2025-09-16

Abstract

Abstract

Background
The ion source system for DC high-voltage accelerators operates at megavolt-level high-potential platforms, where wired communication media such as optical fibers face the risk of dielectric breakdown in compact applications due to voltage withstand constraints.
Purpose
To address this, a prototype of ion source control and acquisition system based on wireless optical communication (WOC) is designed.
Methods
For the analog control and acquisition requirements of high-voltage power supplies, RF power sources, and mass flow controllers in the 2.5 MV DC high-voltage accelerator’s inductively coupled plasma (ICP) ion source system, differential-input analog-to-digital conversion (ADC) is adopted to sample raw control and acquisition signals. After digital processing, signals are transmitted via WOC. The optical signals are converted via photoelectric conversion, then reconstructed into original analog signals through digital-to-analog conversion (DAC) and amplification circuits. In this design, a ZYNQ-based digital processing platform coordinates the acquisition, transmission, and reconstruction processes, which enables ADC/DAC data interaction and stable Ethernet optical communication, ensuring the overall integrity of the wireless optical control system.
Results
An offline test platform verified that the designed WOC system can stably control the relevant equipment in the DC high-voltage accelerator ion source system. The transmission accuracy remained within the 1.5% deviation requirement, and the link operated reliably over long durations.
Conclusions
Experimental results indicate that the WOC system meets the technical requirements of the BNCT project and is feasible for application in the 2.5 MV DC high-voltage accelerator ion source system.
- wireless optical communication,
- DC high-voltage accelerator,
- ion source system,
- ADC/DAC,
- ZYNQ

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References(20)

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