Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Real-time liquid-crystal atmosphere turbulence simulator with graphic processing unit | |
其他题名 | 论文其他题名 |
Hu L.; Xuan L.; Li D.; Cao Z. L.; Mu Q. Q.; Liu Y. G.; Peng Z. H.; Lu X. H. | |
2009 | |
发表期刊 | Optics Express |
ISSN | 1094-4087 |
卷号 | 17期号:9页码:7259-7268 |
摘要 | To generate time-evolving atmosphere turbulence in real time, a phase-generating method for our liquid-crystal (LC) atmosphere turbulence simulator (ATS) is derived based on the Fourier series (FS) method. A real matrix expression for generating turbulence phases is given and calculated with a graphic processing unit (GPU), the GeForce 8800 Ultra. A liquid crystal on silicon (LCOS) with 256x256 pixels is used as the turbulence simulator. The total time to generate a turbulence phase is about 7.8 ms for calculation and readout with the GPU. A parallel processing method of calculating and sending a picture to the LCOS is used to improve the simulating speed of our LC ATS. Therefore, the real-time turbulence phase-generation frequency of our LC ATS is up to 128 Hz. To our knowledge, it is the highest speed used to generate a turbulence phase in real time. (C) 2009 Optical Society of America |
收录类别 | SCI ; EI |
语种 | 英语 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/26249 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | Hu L.,Xuan L.,Li D.,et al. Real-time liquid-crystal atmosphere turbulence simulator with graphic processing unit[J]. Optics Express,2009,17(9):7259-7268. |
APA | Hu L..,Xuan L..,Li D..,Cao Z. L..,Mu Q. Q..,...&Lu X. H..(2009).Real-time liquid-crystal atmosphere turbulence simulator with graphic processing unit.Optics Express,17(9),7259-7268. |
MLA | Hu L.,et al."Real-time liquid-crystal atmosphere turbulence simulator with graphic processing unit".Optics Express 17.9(2009):7259-7268. |
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