Implementation of a speckle-correlation-based optical lever with extended dynamic range

Vijayakumar A.; Jayavel D.; Muthaiah M.; Bhattacharya Shanti; Rosen Joseph

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Implementation of a speckle-correlation-based optical lever with extended dynamic range

机译：实现基于散斑相关的光杆，具有扩展动态范围

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A speckle-correlation-based optical lever (SC-OptLev) is constructed for the measurement of small changes in the orientation angle of a surface. The dynamic range of SC-OptLev is found to be twice that of a conventional OptLev for the same experimental configurations. Different filtering mechanisms are implemented, and the correlation results are compared. Two types of computer-automated SC-OptLevs, an open-source-based computing system with a low-cost image sensor and a commercial computing system, are presented with assistive computational modules. (C) 2019 Optical Society of America

机译：基于斑点相关的光杆（SC-OPTLEV）被构造用于测量表面的方向角度的小变化。对于相同的实验配置，发现SC-Optlev的动态范围是传统Optlev的两倍。实现了不同的滤波机制，并比较相关结果。辅助计算模块提出了两种类型的计算机自动化SC-Optlevs，具有低成本图像传感器和商业计算系统的基于开源的计算系统和商业计算系统。（c）2019年光学学会

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《Applied optics》 |2019年第22期|共7页
作者
Vijayakumar A.; Jayavel D.; Muthaiah M.; Bhattacharya Shanti; Rosen Joseph;
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Indian Inst Technol Madras Dept Elect Engn Chennai 600036 Tamil Nadu India;

Indian Inst Technol Madras Dept Elect Engn Chennai 600036 Tamil Nadu India;

Indian Inst Technol Madras Dept Elect Engn Chennai 600036 Tamil Nadu India;

Indian Inst Technol Madras Dept Elect Engn Chennai 600036 Tamil Nadu India;

Ben Gurion Univ Negev Sch Elect &

Comp Engn POB 653 IL-8410501 Beer Sheva Israel;

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Implementation of a speckle-correlation-based optical lever with extended dynamic range

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