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Inspection Technology for F-theta Lens: Practices and Discussions

机译：F-THETA镜头的检查技术：实践和讨论

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This paper presents the inspection technology for a freeform surface component which is named F-theta lens. F-theta lens is widely used in laser scanners, printers, etc. Freeform characterization is one of the main approaches to verify the manufacturing precision of freeform surface. At present, there is still a lack of techniques for the characterization of freeform surfaces. This study aimed to explore some approaches to inspect freeform surfaces. Two types of measurement methods, namely contact and non-contact measurement methods, are employed to measure the F-theta lens surface. The pros and cons, the existing problems, different applications and areas for improvement of the two methods are discussed. A series of advanced measuring instruments are used in the measurement process. A brief description of measurement mechanisms of these instruments is also presented. As a whole, this paper contributes to the development of the precision measurement technology for optical freeform surfaces.
机译：本文介绍了一个名为F-Theta镜头的自由形状表面分量的检查技术。 F-Theta镜头广泛用于激光扫描仪，打印机等。自由表征是验证自由形状表面的制造精度的主要方法之一。目前，仍然缺乏用于设置自由形状表面的技术。本研究旨在探讨检查自由形状表面的一些方法。采用两种类型的测量方法，即接触和非接触式测量方法来测量F-THATA透镜表面。讨论了以下利弊，现有的问题，不同的应用和改进两种方法的领域。测量过程中使用了一系列先进的测量仪器。还提出了这些仪器的测量机制的简要描述。总的来说，本文有助于开发光学自由形状表面的精密测量技术。

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