Determination of the focal length of microlens array by spherical wavefronts

Marimuthu Senthil Kumar; Rahul Sharma; Chittur Subramanian Narayanamurthy; Alur Seelin Kiran Kumar

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Determination of the focal length of microlens array by spherical wavefronts

机译：球面波阵面确定微透镜阵列的焦距

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摘要

We propose an experimental method consisting of a standard Fizeau interferometer with transmission sphere (TS) for the determination of the focal length of microlens array (MLA) by spherical wavefronts. The TS is axially translated to produce a spherical wavefront of different curvatures with respect to the MLA. The align mode provision of the interferometer helps to monitor the tilt of the MLA with respect to the spherical wavefront. The focal length is determined from the measured distance of adjacent image spots for various spherical wavefronts at the focal plane of the MLA. Error analysis and experimental demonstration with an off-the-shelf MLA are addressed here.

机译：我们提出了一种实验方法，该方法由具有透射球（TS）的标准Fizeau干涉仪组成，用于通过球面波前确定微透镜阵列（MLA）的焦距。 TS轴向平移以产生相对于MLA不同曲率的球面波前。干涉仪的对准模式提供有助于监视MLA相对于球面波前的倾斜。焦距是根据MLA焦平面上各种球形波前的相邻图像光斑的测量距离确定的。这里介绍了使用现成的MLA进行错误分析和实验演示。

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来源
《Optical engineering》 |2014年第6期|064102.1-064102.4|共4页
作者
Marimuthu Senthil Kumar; Rahul Sharma; Chittur Subramanian Narayanamurthy; Alur Seelin Kiran Kumar;
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作者单位

Space Applications Centre (ISRO), Reflective Optics Division, Ahmedabad 380015, India;

Space Applications Centre (ISRO), Reflective Optics Division, Ahmedabad 380015, India;

Indian Institute of Space Science and Technology, Department of Physics, Trivandrum 695547, India;

Space Applications Centre (ISRO), Ahmedabad 380015, India;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
focal length measurement; microlens array; spherical wavefront; measurement error; Shack-Hartmann wavefront sensor;

机译：焦距测量微透镜阵列球形波前测量误差Shack-Hartmann波前传感器;

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专利

1. Design and fabrication of long-focal-length microlens arrays for Shack-Hartmann wavefront sensors [J] . Lin V., Wei H.-C., Hsieh H.-T., Micro & Nano Letters, IET . 2011,第7期

机译：Shack-Hartmann波前传感器的长焦距微透镜阵列的设计和制造
2. Design and fabrication of long-focal-length microlens arrays for Shack–Hartmann wavefront sensors [J] . V. Lin H.-C. Wei H.-T. Hsieh J.-L. Hsieh and G.-D.J. Su Micro & Nano Letters . 2011,第7期

机译：Shack-Hartmann波前传感器的长焦距微透镜阵列的设计和制造
3. A Microlens Array with Different Focal Lengths Fabricated by Roll-To-Roll UV Lithography [J] . Ye Huichun, Shen Lianguan, Li Mujun, Polymers & Polymer Composites . 2018,第2期

机译：一种微透镜阵列，具有由卷到卷UV光刻制造的不同焦距的焦距
4. Shack-Hartmann wavefront sensor with high sensitivity by using long focal length microlens array [C] . Vinna Lin, Hsiang-Chun Wei, Guo-Dung J. Su Unconventional imaging, wavefront sensing, and adaptive coded aperture imaging and non-imaging sensor systems . 2011

机译：使用长焦距微透镜阵列的Shack-Hartmann波前传感器具有高灵敏度
5. Dynamically variable focal length microlens by microfluidic and electroactive polymer approaches. [D] . Chen, Jackie Ching-Lung. 2004

机译：通过微流体和电活性聚合物方法动态改变焦距的微透镜。
6. An Optical Wavefront Sensor Based on a Double Layer Microlens Array [O] . Vinna Lin, Hsiang-Chun Wei, Hsin-Ta Hsieh, 2012

机译：基于双层微透镜阵列的光波前传感器
7. Fabrication of microlens arrays with varied focal lengths on curved surfaces using an electrostatic deformed template [O] . Sun Hongd, Deng Shengfeng, Cui Xiaobi, 2014

机译：使用静电变形模板在曲面上制造焦距可变的微透镜阵列
8. Video Hartmann wavefront diagnostic that incorporates a monolithic microlens array. [R] . Toeppen, J. S., Bliss, E. S., Long, T. W., 1991

机译：视频Hartmann波前诊断，包含单片微透镜阵列。

Determination of the focal length of microlens array by spherical wavefronts

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