Nowadays, precision components have been extensively used in various industries such as
biomedicine, photonics, and optics. To achieve nanometric surface roughness, high …

Ultra-precision polishing is one of the main machining processes for components with high
surface finish requirements, such as optical molds. Typical optical mold materials include …

With the development of science and technology, in the fields of national defense,
aerospace, medical treatment, automobile, and so on, the demands for ultra-precision parts …

Surface measurement is essential to enhance accuracy and efficiency in ultra-precision
machining. In order to increase the measurement availability and efficiency, offline lab …

Lynx is a concept under study for prioritization in the 2020 Astrophysics Decadal Survey.
Providing orders of magnitude increase in sensitivity over Chandra, Lynx will examine the …

The use of innovative ideas and the latest technology have undoubtedly brought down
telescope costs substantially. However, there are still ways to further reduce the cost of …

摘要空间光学元件对面形精度和表面质量有着极高的要求, 气囊抛光采用了新型的抛光工具和
特殊的运动形式, 是一种高精度, 高效率的光学元件加工方法, 尤其适用于非球面的加工 …

Aspheric optical lenses are conventionally polished with continuous precession by 5-axis
bonnet polishing system. In this work, in order to achieve that aspheric lenses be processed …

为提高光学元件的面形精度, 提高加工效率, 对超精密气囊抛光方法的去除函数进行了理论和
试验研究. 通过分析气囊抛光的原理, 以Preston 方程为基础, 应用运动学原理推导了气囊抛光“进 …

针对自由曲面光学元件的加工特点, 研究气囊抛光自由曲面光学元件进动运动控制技术,
用于求出气囊工具进动过程中两虚拟轴的转角, 实现对气囊自转轴空间位置的控制 …