The opposite of this might be a fun-house mirror, where the various bends and shapes can make the image look ridiculous. A sphere is the 3D version of a perfect circle - it's a shape with a consistent curve all the way around and a constant radius. So a spherical mirror is a ...
curved mirror is provided to be converted into the flat mirror and the curved mirror by using the flexibility of a mirror, thereby being used as the flat mirror for monitoring a rear view field in ordinary times and used as the curved mirror for assuring an wide view field in desired ...
A catadioptric photolithographic illumination relay lens group for a photolithographic illumination system, which is composed of a refraction lens group (G), a spherical reflection mirror array (G4), an aperture diaphragm and a plane reflection mirror (M). 一种用于光刻照明系统的折反射式光刻照明中...
Explore plane mirrors. Learn the definition of a plane mirror and understand its different uses. Discover the characteristics of plane mirrors with...
Catadioptric Omnidirectional Optical System Using a Spherical Mirror with a Central Hole and a Plane Mirror for Visible Light An omnidirectional optical system can be described as a special optical system that images in real time a panoramic image with an azimuthal angle of 360° ... Hyeon,Jin,...
Plane mirrors and convex mirrors always form a virtual image of an object.
The external driving mirror has a large plane section on which is fitted a smaller curved section forming a half sphere. The spherical surface forms a convex mirror and enables the driver to view through 180 deg. rearwards so that all dead spots are eliminated. The mirror can be fitted to...
Astigmatism-corrected gratings for plane grating–spherical mirror spectrographs 喜欢 0 阅读量: 9 作者: John P. Schwenker 摘要: In order to take full advantage of modern, multiple-element detectors, the astigmatism in traditional plane grating instrument designs must be significantly reduced. Slight ...
An aspheric mirror is an optical element with a non-spherical curved surface, which can be used to change the direction of propagation and focusing performance of light. Compared with the traditional spherical mirror, the non spherical mirror has higher focusing ability and smaller aberration, so ...
United States Patent US5384656 Note: If you have problems viewing the PDF, please make sure you have the latest version ofAdobe Acrobat. Back to full text