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题名:
High-order mode Laguerre-Gaussian beam transformation using a 127-actuator deformable mirror: numerical simulations
作者: Dong L; Yang P; Xu B; LEi X; Ning Y; Liu W; Yan H
刊名: APPLIED PHYSICS B-LASERS AND OPTICS
出版日期: 2011
卷号: 104, 期号:3, 页码:725-733
通讯作者: Dong L (Dong L.)
文章类型: 期刊论文
中文摘要: Transforming high-order mode Laguerre-Gaussian beams in the far-field using a 127-actuator deformable mirror controlled by a stochastic parallel gradient descent algorithm is presented. As a phase shift of half wave exists between every nEighboring lobes of high-order mode Laguerre-Gaussian beams, there are multiple lobes in the far-field. The suitable beam radius related to the aperture size of the deformable mirror is discussed. Three system performance metrics are evaluated, and encircled energy is preferred. Simulation results show that it is possible to compensate for the phase shifts and other phase aberrations of a high-order mode Laguerre-Gaussian beam and achieve a single bright lobe with this approach. Transforming the far-field intensity distribution of high-order mode Laguerre-Gaussian beams into Gaussian and super Gaussian distributions are also investigated.
英文摘要: Transforming high-order mode Laguerre-Gaussian beams in the far-field using a 127-actuator deformable mirror controlled by a stochastic parallel gradient descent algorithm is presented. As a phase shift of half wave exists between every nEighboring lobes of high-order mode Laguerre-Gaussian beams, there are multiple lobes in the far-field. The suitable beam radius related to the aperture size of the deformable mirror is discussed. Three system performance metrics are evaluated, and encircled energy is preferred. Simulation results show that it is possible to compensate for the phase shifts and other phase aberrations of a high-order mode Laguerre-Gaussian beam and achieve a single bright lobe with this approach. Transforming the far-field intensity distribution of high-order mode Laguerre-Gaussian beams into Gaussian and super Gaussian distributions are also investigated.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6209
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作者单位: 中国科学院光电技术研究所

Recommended Citation:
Dong L,Yang P,Xu B,et al. High-order mode Laguerre-Gaussian beam transformation using a 127-actuator deformable mirror: numerical simulations[J]. APPLIED PHYSICS B-LASERS AND OPTICS,2011,104(3):725-733.
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文件名: 2011-08-016.pdf
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