概括
干涉测量的追溯错误可以使用黑盒模型 (BBM) 方法进行纠正. 这种基于倾斜波干涉测量 (Tilted Wave Interferometry,TWI) 的方法避免了昂贵的计算机生成全息图,并且不需要干扰仪的光学设计.
科学领域:
- 光学工程是指光学工程.
- 计量学 计量学 计量学
- 干涉测量是干涉测量的方法.
背景情况:
- 经典的干扰测量零测试需要相同的测量和参考光束路径,以防止回溯错误.
- 纠正回溯错误的现有方法,如计算机生成全息图 (CGH),通常是昂贵和耗时的.
- 对回溯错误的数学处理通常需要干扰仪组件的详细光学设计,这些组件通常无法用于商用现成组件.
研究的目的:
- 引入一个灵活和广泛适用的数学模型,用于计算干扰测量中的回溯错误.
- 提出一种方法,消除了对干扰仪组件,特别是传输球的特定光学设计的需求.
- 为了使标准的,现成的光学组件在干扰测量测量中可以在不影响精度的情况下使用.
主要方法:
- 介绍黑盒模型 (BBM),基于点特征函数的数学模型.
- 在倾斜波干涉测量 (TWI) 框架内应用BBM.
- 使用扩展校准方法,使BBM适应真实干扰仪的行为,绕过光学设计的需要.
主要成果:
- 黑盒模型有效地解释了干扰度测量中的回溯错误.
- 扩展校准方法允许使用BBM,而不需要了解干扰仪的内部光学设计.
- 这种方法可以使用标准的,商用光学元件进行准确的干扰测量.
结论:
- 黑盒模型提供了一种多功能且实用的解决方案,用于管理干扰测量中的回溯错误.
- 该方法显著降低了与纠正回溯错误相关的成本和复杂性.
- 这种技术扩大了干扰计的应用范围,特别是在使用具有未公开设计的标准光学组件时.
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