Beam folding analysis and optimization of mask-enhanced toroidal multipass cells

Graf Manuel; Looser Herbert; Emmenegger Lukas; Tuzson Bela

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Beam folding analysis and optimization of mask-enhanced toroidal multipass cells

机译：光束折叠分析和掩模增强环形多泊细胞的优化

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We present computational and experimental investigations of the beam folding properties and fringe suppression capabilities in monolithic toroidal multipass cells (MPCs) when combined with absorption masks. Coherent field simulations based on the Fresnel-Huygens theory were performed to understand the effect of multiple field truncations in such an optically semi-unstable mirror arrangement. The explicit numerical calculation of the radiation field at each reflection allows detailed optimization and performance analysis. We experimentally verified the evolving irradiance distributions and identified optimal initial field configurations. Furthermore, we suggest a proxy to estimate the noise level for specific initial conditions. These insights pave the way to a better optical performance and, thus, to even more lightweight and compact designs of this MPC type. (C) 2017 Optical Society of America

机译：当与吸收掩模结合时，我们在单片环形多辅元电池（MPC）中呈现光束折叠性能和条纹抑制能力的计算和实验研究。基于Fresnel-Huygens理论的相干现场模拟，以了解这种光学半不稳定镜装置中多场截断的影响。每次反射时辐射场的显式数值计算允许详细的优化和性能分析。我们通过实验验证了不扩大的辐照度分布，并确定了最佳初始字段配置。此外，我们建议一个代理来估计特定初始条件的噪声水平。这些见解铺平了更好的光学性能，从而延长了这种MPC类型的更轻质和紧凑的设计。（c）2017年光学学会

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来源
《Optics Letters》 |2017年第16期|共4页
作者
Graf Manuel; Looser Herbert; Emmenegger Lukas; Tuzson Bela;
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Empa Lab Air Pollut Environm Technol CH-8600 Dubendorf Switzerland;

Empa Lab Air Pollut Environm Technol CH-8600 Dubendorf Switzerland;

Empa Lab Air Pollut Environm Technol CH-8600 Dubendorf Switzerland;

Empa Lab Air Pollut Environm Technol CH-8600 Dubendorf Switzerland;

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正文语种 eng
中图分类计量学;光学;
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1. Beam folding analysis and optimization of mask-enhanced toroidal multipass cells [J] . Graf Manuel, Looser Herbert, Emmenegger Lukas, Optics Letters . 2017,第16期

机译：光束折叠分析和掩模增强环形多泊细胞的优化
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3. Laser beam propagation through the multipass amplifier system containing a spatial filter: forward and backward simulation codes and numerical analysis [J] . Lu BD., Zhang B. Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic . 1998,第1期

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5. Studies of energy recovery linacs at Jefferson laboratory: 1 GeV demonstration of energy recovery at CEBAF and studies of the multibunch, multipass beam breakup instability in the 10 kW FEL upgrade driver [D] . Tennant, Christopher D. 2006

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6. High-throughput Toroidal Grating Beamline for Photoelectron Spectroscopy at CAMD [O] . O Kizilkaya, R W Jiles, M C Patterson, -1

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7. Design and optimization of a highly efficient optical multipass system for γ -ray beam production from electron laser beam Compton scattering [O] . Dupraz, K, Cassou, K., Delerue, N., 2014

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8. Feedback System Analysis for Beam Breakup in a Multipass Multisection Electron Linac [R] . Mosnier, A. , Aune, B. 1986

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Beam folding analysis and optimization of mask-enhanced toroidal multipass cells

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