VARIABLE BEAM EXPANDERPURPOSE: To change the expansion ratio of a beam without exchanging a lens.MIZUTA OSAMU水田 治
which may allow creation of images directly on the color panel, thus simplifying the optics design, negating polarization optics, and making the use of RLCOS techniques unnecessary. In addition to the switching speeds of kHz rates, we propose here (e.g., instead of the ...
2(3), 147-152 (2017); View Description Control design for axial flux permanent magnet synchronous motor which operates above the nominal speed Xuan Minh Tran, Nhu Hien Nguyen, Quoc Tuan Duong Adv. Sci. Technol. Eng. Syst. J. 2(3), 153-159 (2017); View Description A synchronizing ...
In addition to the laser and the CNC positioning equipment, the optical delivery system includes a beam expander to increase the laser beam diameter, a circular polarizer, typically in the form of a quarter wave plate, to eliminate polarization effects in metal cutting, provisions for a spatial...
A recorder of optically variable devices is provided with an image (6) of the pixel map between an expander (3) of the laser light beam (L) and the lens (4). 展开 收藏 引用 批量引用 报错 分享 文库来源 其他来源 求助全文 OPTICALLY VARIABLE DEVICE (OVD), METHOD OF RECORDI 优质文献 ...
A prism anamorphic system for Gaussian beam expander Basic properties are given of the prism anamorphic expander of a Gaussian beam composed of a couple of prisms in tandem. Its shorter overall length for a g... T Kasuya,T Suzuki,K Shimoda - 《Applied Physics》 被引量: 36发表: 1978年 ...
A laser 61 generates a beam of light 62. A beam expander 60, which can be of any suitable type, serves to expand the small diameter beam of light 62 from laser 61 into a larger diameter beam 63. This beam is then deflected by fold mirror 55 onto SLM 56 along path 64. In this pr...
VARIABLE BEAM EXPANDERPURPOSE: To change the expansion ratio of a beam without exchanging a lens. ;CONSTITUTION: Parallel laser light is made incident on an incident lens 1. A deflection element 2 is provided at the converging position of the incident lens 1 with a focal length (f) and an...
LASER BEAM VARIABLE EXPANDERBOREHAM BRUCE WILLIAM
In the illustrated embodiment, nominal design path length traveled by the reference beam is equal to that of the object beam (approximately 292 centimeters); however, due to, inter alia, the geometry of the set-up, the particular reference angle employed, and the size of film, some ...