简单和经济有效的方法来测量光纤的长度
Optics letters
|January 16, 2025
概括
我们开发了一种简单,廉价的方法,用于精确测量光纤长度. 这种技术实现了高精度,使其适用于各种应用,而不需要先进或昂贵的设备.
科学领域:
- 光学和光子学 在光学和光子学.
- 计量学 计量学 计量学
- 光纤传感传感器是指光纤传感器.
背景情况:
- 精确的光纤长度测量对于各种应用非常重要.
- 现有的商业设备往往在准确性,成本和复杂性之间进行权衡.
- 需要一种精确而又易于使用的纤维长度测定方法.
研究的目的:
- 介绍一种简单且具有成本效益的测量光纤长度的方法.
- 为了实现高精度的长度测定,适合基本应用.
- 详细说明可重复测量的方法和考虑因素.
主要方法:
- 利用测试中的光纤 (FUT) 与参考路径之间的相差.
- 使用相锁循环 (PLL) 来测量频率扫描期间的相位移.
- 实施特定的数据处理步骤,以提高可复制性.
主要成果:
- 达到1.06皮秒 (ps) 的精度,相当于大约212微米 (μm).
- 展示了一种既简单又相对便宜的方法.
- 确定了关键的处理步骤和环境因素,这些因素对于一致的结果至关重要.
结论:
- 提出的方法为精确的光纤长度测量提供了实用解决方案.
- 这种技术弥合了简单,低准确度的方法和复杂,高成本的系统之间的差距.
- 考虑环境条件对于确保测量的可靠性至关重要.
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