Journal of Applied Optics, Volume. 44, Issue 5, 959(2023)
Thermal defocus and compensation analysis of glass-plastic hybrid fixed-focus lens
Figures & Tables(12)
Table 1. Material parameters of lens parts
View tableView in ArticleTable 1. Material parameters of lens parts
材料 弹性模量/MPa 密度/10−6 kg·mm−3 泊松比 热膨胀系数/10−5 ℃ 径向/周向 轴向 PC+30%FG 9510 1.43 0.36 4.21 3.17 PC+20%FG 5910 1.43 0.37 4.82 3.57 Plastic lens-1 2410 1.01 0.38 4.56 Plastic lens-2 2710 1.25 0.35 7.01 Glass lens-1 72000 2.53 0.32 1.02 Plastic lens-3 2430 1.12 0.33 6.79 Plastic lens-4 2510 1.03 0.32 6.54 Brass 11000 8.5 0.31 1.55 2320UV-7A2 1680 1.72 0.38 2.52
Table 2. Mirror rigid body displacement and rotation of fixed-focus lens
mm View tableView in ArticleTable 2. Mirror rigid body displacement and rotation of fixed-focus lens
mm 镜面序号 X 刚体位移 Y 刚体位移 Z 刚体位移 X旋转刚体位移 Y旋转刚体位移 Z旋转刚体位移 1 9.95×10−4 −6.24×10−4 −5.05×10−2 −2.04×10−6 −3.34×10−6 8.83×10−5 2 9.86×10−4 −6.21×10−4 −5.08×10−2 −1.45×10−6 −4.80×10−7 8.83×10−5 3 9.86×10−4 −6.22×10−4 −3.66×10−2 9.28×10−7 −2.68×10−6 8.84×10−5 4 9.81×10−4 −6.24×10−4 −2.47×10−2 1.31×10−6 −2.71×10−6 8.84×10−5 5 9.89×10−4 −6.37×10−4 −2.85×10−2 −1.15×10−6 −2.66×10−6 8.77×10−5 6 9.81×10−4 −6.35×10−4 −2.54×10−2 −6.19×10−7 −2.72×10−6 8.77×10−5 7 9.83×10−4 −6.15×10−4 −2.80×10−2 −1.42×10−6 −2.13×10−6 8.78×10−5 8 9.79×10−4 −6.09×10−4 −1.63×10−2 −3.23×10−6 −2.26×10−6 8.79×10−5 9 9.75×10−4 −6.04×10−4 −1.64×10−2 −1.77×10−6 −1.91×10−6 8.77×10−5 10 9.73×10−4 −6.02×10−4 −1.38×10−2 −3.00×10−6 −3.14×10−6 8.78×10−5
Table 3. Measurement results of high and low temperature flange focal length of lens
View tableView in ArticleTable 3. Measurement results of high and low temperature flange focal length of lens
温度/℃ 焦点位置/mm 参照物参考位置/mm 参照物距离 /mm 法兰焦距/mm 19.997 35.08617 25 9.645075 −0.44110 −39.994 35.09468 25 9.652904 −0.44178 20.001 35.09342 25 9.652887 −0.44053 79.998 35.07347 25 9.626284 −0.44518 20.003 35.08694 25 9.646567 −0.44038
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Gengen CHEN, Guangfeng SHI, Feng WU, Jinqiu WANG, Leigang PEI, Guoquan SHI. Thermal defocus and compensation analysis of glass-plastic hybrid fixed-focus lens[J]. Journal of Applied Optics, 2023, 44(5): 959
Paper Information
Category: Research Articles
Received: Oct. 11, 2022
Accepted: --
Published Online: Mar. 12, 2024
The Author Email: SHI Guangfeng (石广丰)
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