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- Design and manufacture of Hartmann beam expander with wide aperture 大口径哈特曼扩束系统的设计和研制
- Design of Aspheric Hartmann Beam Expander Optical System with Large Aperture 大口径非球面哈特曼扩束器的光学系统设计
- Hartmann beam expander 哈特曼扩束器
- Its drilling unit consists of laser, optical beam expander, galvanometer deflective mirror and focus system. 制孔单元由激光器、光学扩束、振镜和聚焦系统构成。
- We can draw such a conclusion that the Galilean beam expander with an asphericcal lens is better than that with a spherical lens. 我们得出的结论是：伽里略非球面透镜扩束器比伽里略球面透镜扩束器好。
- OPTICAL DESIGN OF VARIFOCAL BEAM EXPANDER 变焦扩束系统的光学设计
- Design of Aspherical Varifocal Beam Expander System 非球面变焦扩束系统的设计
- Design of Beam Expander with Aspheric Surface 非球面扩束器的设计
- Study on Aspherical Reflecting Beam Expander 非球面反射型扩束器的研究
- Research of Beam Expander with a Two-mirror System 两镜系统扩束器的研究
- laser beam expander for different waves 多波长激光扩束器
- The main characteristic of the designed optical system is that Fourier transforms lens and collimating and beam expanding system uses the same lens. 其中，最主要的特点是傅里叶透镜组与准直扩束系统共用同一片正透镜。
- Optics: windows, prisms, lenses, beam expanders, laser mirrors, beam splitters, polarizers, etalons, filters, telecommunication optics and optical mounts, etc. 光学元器件：光学滤光片、透镜、激光镜、波片、窗口材料、分束片、偏振片、扩束镜、标准具、镀膜元件和光具座，等；
- The company is eager to expand into new markets. 那家公司急欲开辟新的市场。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- His answer was right on the beam. 他的答案完全正确。
- Metals expand when they are heated. 金属遇热则膨胀。
- Design of Transmitting Beam Expander for Different Waves 多波长透射式扩束器设计
- The king sought to expand his realm. 国王谋求扩大领土。
