| 双凹厚透镜曲率半径和折射率的测定 |
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| 引用本文： | 徐建丽,顾菊观,张良锋.双凹厚透镜曲率半径和折射率的测定[J].大学物理实验,2011,24(5):26-28. |
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| 作者姓名： | 徐建丽 顾菊观 张良锋 |
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| 作者单位： | 湖州师范学院,浙江湖州,313000 |
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| 基金项目： | 2009年浙江省大学生科技创新活动计划(新苗人才计划)项目; 2008年省新世纪高等教育教学改革研究项目(yb08064); 湖州师范学院高等教育研究项目(GJC09010)资助 |
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| 摘 要： | 观察双凹厚透镜的球面反射成像,利用这一实验现象结合物像公式测定双凹厚透镜前后表面的曲率半径和折射率。利用两次球面反射成像可求出双凹厚透镜的曲率半径,两种方法可比较。对于薄透镜,这种方法可以修正在实际测量中忽略透镜厚度所产生的误差。
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| 关 键 词： | 双凹厚透镜 曲率半径 折射率 透镜厚度 |
Double-concave Lens Thickness and Refractive Index Determination of the Radius of Curvature |
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| XU Jian-li,GU Ju-guan,ZHANG Liang-feng.Double-concave Lens Thickness and Refractive Index Determination of the Radius of Curvature[J].Physical Experiment of College,2011,24(5):26-28. |
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| Authors: | XU Jian-li GU Ju-guan ZHANG Liang-feng |
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| Institution: | XU Jian-li,GU Ju-guan,ZHANG Liang-feng (Huzhou Teachers Colleges,Zhejiang Huzhou 313000) |
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| Abstract: | It observes the image caused by spherical refraction of double-concave lens,utilizes this experimental phenomenon combined the image formula to determine the refractive index and curvature radius of double thick lens lens's front and back surface.It may extract the concave-concave thick lens' radius of curvature using two spherical surface catoptrical imaging,two methods can be comparable.This method can correct the error caused by neglecting lens thickness in the measurement of thin lens. |
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| Keywords: | double-concave thick lens curvature radius refractive index lens thickness |
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