Arc Discharge System for Micromachining of Helical Fiber
Abstract
:1. Introduction
2. Principle and Simulation
2.1. Working Principle and Process of the Four-Electrode Arc’s Helical Fiber Micromachining System
2.2. High-Temperature Heating Field of the Four-Electrode Arc
- (1)
- Laminar flow conditions:
- (2)
- Fluid heat transfer conditions:
- (3)
- Current conditions:
- (4)
- Magnetic field conditions:
2.3. Modulation of the Refractive Index of the Multi-Core Fiber Core
3. Results and Discussion
3.1. Microscopic Images of Prepared Helical Multi-Core Fibers
3.2. Optical Coupling between Multi-Core Fiber Cores
3.3. Multi-Core HLPFGs with an Intermediate Core
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Device Structure | Preparation Method | Minimum Loss of Transmission Spectrum (dB) | Advantages and Disadvantages | Reference |
---|---|---|---|---|
Intermediate-core spiral long-period fiber grating | CO2 laser | >1 | Advantages: Flexible and high-quality. Disadvantages: Cumbersome debugging of the optical path and expensive. | [26] |
>1 | [27] | |||
>1 | [28] | |||
Oxyhydrogen flame | ≈1 | Advantages: Wide heating area and uniform heating temperature. | [29] | |
>1 | Disadvantages: Danger of using hydrogen. | [30] | ||
Two-electrode arc discharge | >1 | Advantages: Simple and flexible. | [22] | |
>1 | Disadvantages: Narrow constant-temperature zone. | [31] | ||
Four-electrode arc discharge | <1 | Advantages: simple and flexible, large constant-temperature zone, and cheap price. | This work | |
Disadvantages: The arc needs further optimization |
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Wang, J.; Ma, C.; Duan, S.; Wang, D.; Yuan, L. Arc Discharge System for Micromachining of Helical Fiber. Micromachines 2023, 14, 1120. https://doi.org/10.3390/mi14061120
Wang J, Ma C, Duan S, Wang D, Yuan L. Arc Discharge System for Micromachining of Helical Fiber. Micromachines. 2023; 14(6):1120. https://doi.org/10.3390/mi14061120
Chicago/Turabian StyleWang, Jian, Chao Ma, Shaochen Duan, Donghui Wang, and Libo Yuan. 2023. "Arc Discharge System for Micromachining of Helical Fiber" Micromachines 14, no. 6: 1120. https://doi.org/10.3390/mi14061120