激光与光电子学进展, 2020, 57 (10): 100002, 网络出版: 2020-05-08   

多波长数字全息计量技术综述 下载: 1332次

Review of Multi-Wavelength Digital Holography Metrology
作者单位
上海交通大学电子信息与电气工程学院, 上海 200240
摘要
数字全息测量具有准确度高、非接触和全场测量等优点。单波长数字全息测量主要适用于高度变化在微米级的连续性形貌物体,而基于双波长干涉技术的多波长数字全息技术可测量形貌更复杂、高度方向变化更陡峭的物体,大大扩展了数字全息计量技术的应用范围。近年来,多波长数字全息的研究发展有两个主要方向:一是与实际需求相适应的新的测量方式和/或光路;二是图像处理方面包括降噪、数值重建和相位畸变修正等的新技术新方法,使计算效率和测量准确度得到明显改善。
Abstract
Holding advantages including high accuracy, non-contact measurement, and full-filed measurement, single-wavelength digital holographic systems are generally used for the measurement of micro-scale objects with continuous morphology. Developed from dual-wavelength interferometry techniques, multi-wavelength digital holographic systems can measure objects with complex shapes and larger scales, which extends the application range of digital holographic metrology. In recent years, there are two main research topics in multi-wavelength digital holography area. First, many types of measurement methods and/or optical setup according to realistic requirements are proposed; in addition, enhancement are achieved in image processing techniques such as noise reduction algorithm, numerical reconstruction and phase aberration compensation to improve the computational efficiency and result accuracy.

张悦萌, 蔡萍, 隆军, 闫浩. 多波长数字全息计量技术综述[J]. 激光与光电子学进展, 2020, 57(10): 100002. Yuemeng Zhang, Ping Cai, Jun Long, Hao Yan. Review of Multi-Wavelength Digital Holography Metrology[J]. Laser & Optoelectronics Progress, 2020, 57(10): 100002.

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