| Experimental investigation of segmented adaptive optics for spatial laser array in an atmospheric turbulence condition | |
| Zheng Y; Wang XH; Deng L; Shen F; Li XY; Zheng Y (Zheng Yi) | |
| Source Publication | OPTICS COMMUNICATIONS
 |
| Volume | 284Issue:20Pages:4975-4982 |
| 2011 | |
| Language | 英语 |
| Subtype | 期刊论文 |
| Abstract | We describe a concept of using segmented adaptive optics (AO) to correct the higher-order wavefront aberrations (HOWAs) in an atmospheric turbulence condition. The effects of piston and tip-tilt corrections are analyzed by numerical simulation. An experiment test-bed is built for verification. Seven spatial beamlets are combined into a hexagonal array by use of a pyramid, and an active segmented mirror is used for phase modulation. The AO control is implemented by stochastic parallel gradient descent (SPGD) algorithm. Experimentally, after segmented AO is enabled, the HOWA in warmed air environment has been effectively corrected and the peak intensity of far-field has been enhanced by 5 times. (C) 2011 Elsevier B.V. All rights reserved.; We describe a concept of using segmented adaptive optics (AO) to correct the higher-order wavefront aberrations (HOWAs) in an atmospheric turbulence condition. The effects of piston and tip-tilt corrections are analyzed by numerical simulation. An experiment test-bed is built for verification. Seven spatial beamlets are combined into a hexagonal array by use of a pyramid, and an active segmented mirror is used for phase modulation. The AO control is implemented by stochastic parallel gradient descent (SPGD) algorithm. Experimentally, after segmented AO is enabled, the HOWA in warmed air environment has been effectively corrected and the peak intensity of far-field has been enhanced by 5 times. (C) 2011 Elsevier B.V. All rights reserved. |
| Document Type | 期刊论文 |
| Identifier | http://ir.ioe.ac.cn/handle/181551/6207 |
| Collection | 自适应光学技术研究室（八室） |
| Corresponding Author | Zheng Y (Zheng Yi) |
| Affiliation | 中国科学院光电技术研究所 |
| Recommended Citation GB/T 7714 | Zheng Y,Wang XH,Deng L,et al. Experimental investigation of segmented adaptive optics for spatial laser array in an atmospheric turbulence condition[J]. OPTICS COMMUNICATIONS,2011,284(20):4975-4982. |
| APA | Zheng Y,Wang XH,Deng L,Shen F,Li XY,&Zheng Y .(2011).Experimental investigation of segmented adaptive optics for spatial laser array in an atmospheric turbulence condition.OPTICS COMMUNICATIONS,284(20),4975-4982. |
| MLA | Zheng Y,et al."Experimental investigation of segmented adaptive optics for spatial laser array in an atmospheric turbulence condition".OPTICS COMMUNICATIONS 284.20(2011):4975-4982. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 2011-08-014.pdf（1632KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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