Testing large flats with computer generated holograms

机译：使用计算机生成的全息图测试大型公寓

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We describe the optical test of a large flat based on a spherical mirror and a dedicated CGH. The spherical mirror, whichcan be accurately manufactured and tested in absolute way, allows to obtain a quasi collimated light beam, and thehologram performs the residual wavefront correction. Alignment tools for the spherical mirror and the hologram itselfare encoded in the CGH. Sensitivity to fabrication errors and alignment has been evaluated. Tests to verify theeffectiveness of our approach are now under execution.© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.

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《Conference on modern technologies in space- and ground-based telescopes and instrumentation II》|2012年|p.0Z.1-0Z.8|共8页
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Giorgio Pariani;
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中图分类天文光学望远镜;天文光学望远镜;
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4. Testing large flats with computer generated holograms [C] . Giorgio Pariani Conference on modern technologies in space- and ground-based telescopes and instrumentation . 2012

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Testing large flats with computer generated holograms

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