CGHs generate almost any wavefront and expand the possibilities of the interferometer for testing form deviations of any optical surface. They also provide optimum results for the alignment of …

A CGH (Computer Generated Hologram) is an optical null element that creates a unique wavefront enabling interferometric testing of complex optical surfaces including freeform, …

Computer Generated Holograms (CGHs) provide an effective means of quantifying the surface irregularity of aspheric lenses by converting spherical reference wavefronts into aspheric …

2020年12月16日 · The use of phase and especially amplitude computer-generated holograms (CGHs) instead of refractive lenses makes it possible to reduce errors in the generation of the …

CGH stands for Computer Generated Hologram. It is an optical lens that is used in interferometric measurement of complex surfaces, such as aspheric optics or freeform optics. CGH is …

cgh 代表计算机生成的全息图。 它是一种光学透镜，用于复杂表面的干涉测量，例如非球面光学或自由曲面光学。 CGH 使用计算机算法设计，然后通过光刻制造。

Computer-generated holograms (CGHs) are customized optical components integrated into standardized size and mechanical interface formats. CGHs consist of a fused silica substrate …

Precision alignment with multi-zone CGHs: Our multi-zone CGHs are perfect for aligning optical elements in space with an accuracy of a few µm. If a lens is in the correct position and …

2020年9月5日 · Computer Generated Holograms (CGH) in combination with Fizeau interferometers are widely used as a proven and established tool to inspect aspheric surfaces, …

Computer-generated holography (CGH) is a technique that uses computer algorithms to generate holograms. It involves generating holographic interference patterns. A computer-generated …