弧度放电方法用于制造大型形结构,用于开放式接入纤维的Fabry-Pérot腔
Optics express
|February 1, 2024
概括
研究人员开发了一种新的微制造方法,使用弧度放电在光子晶体纤维上创建精确的凸表面. 这种技术可以为先进的光学应用提供高质量的光纤端面修改.
科学领域:
- 光学和光子学 在光学和光子学.
- 材料科学 材料科学 材料科学
- 微型制造工程 微型制造工程
背景情况:
- 光子晶体纤维 (PCF) 是重要的光学元件.
- 对于先进的光学设备来说,精确控制光纤端面几何是必不可少的.
- 修改纤维端面的现有方法可能是复杂的或范围有限的.
研究的目的:
- 引入一种新,简单,高效的微型制造技术,用于在PCF端面上创建形表面.
- 为了证明生产大,球形形表面高精度的能力.
- 为了评估在光学腔中的制造结构的性能.
主要方法:
- 使用标准的纤维融合拼接器来产生受控的弧度放电.
- 使用弧度放电来化和精确重塑各种PCF类型的末端.
- 描述表面的地形和制造的形特征的对齐.
主要成果:
- 成功地制造出具有低粗度 (低至0.12 nm) 的大型球形形表面.
- 实现了高精度,与70微米直径的球形形状的偏差小于50纳米.
- 在形表面中心和光纤模式场 (<500 nm偏差) 之间显示出出色的对齐.
- 使用这些纤维构建的Fabry-Pérot腔体表现出高精度 (高达20000).
结论:
- 弧度放电微制造技术是一种实用和可复制的方法,用于创建高质量的形纤维端面.
- 这种技术适用于各种PCF类型,并允许制造开放式的纤维Fabry-Pérot腔.
- 经过证明的精度和性能为基于光纤的先进光学传感和激光应用开辟了道路.
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