Chinese Journal of Lasers, Volume. 47, Issue 11, 1105004(2020)
Optimal Design of Low-Stress Mounting for Large Aperture Mirror
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Fig. 5. Surface deformation contours of mirror obtained by test. (a) No-mounting; (b) three-point mounting at the front and eight-point mounting on the side
Fig. 7. Surface deformation contours of mirror for different positons of mounting points. (a) Surface deformation 1; (b) surface deformation 2; (c) surface deformation 3; (d) surface deformation 4
Fig. 8. Simulation results of the mirror surface with different distance between mounting points
Table 1. Simulated material parameters
View tableTable 1. Simulated material parameters
Material Density ρ /(kg·m-3) Elastic modulus E /MPa Poisson's ratio v K9 2500 82×103 0.21 Aluminum 2770 71×103 0.33 Polytetrafluoroethylene 2200 1.42×103 0.40
Table 2. Simulation results for different positons of mounting points
View tableTable 2. Simulation results for different positons of mounting points
Scheme No. Mounting pattern at the front Surface PV /nm 1 Three-point mounting on longer side 246.99 2 Three-point mounting on shorter side 293.88 3 One-point mounting on longer side and two-point mounting on shorter side 284.15 4 One-point mounting on shorter side and two-point mounting on longer side 291.74
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Ma Wenjing, Xu Zhenyuan, Cao Tingfen, Zhang Junwei, Xiang Yong, Chen Liangming, Zheng Shengheng. Optimal Design of Low-Stress Mounting for Large Aperture Mirror[J]. Chinese Journal of Lasers, 2020, 47(11): 1105004
Paper Information
Category: Beam transmission and control
Received: May. 22, 2020
Accepted: --
Published Online: Oct. 23, 2020
The Author Email: Junwei Zhang (zhangjunwei@caep.cn)
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