FPGA Implementation of a 16-Channel Lock-In Laser Light Scattering System

Arturo Moreno-Báez, Gerardo Miramontes-de Leon, C. Sifuentes-Gallardo, Ernesto Garcia-Dominguez, D. Alaniz-Lumbreras, J. Huerta-Ruelas
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引用次数: 1

Abstract

The use of optical techniques for the measurement and characterization of physical phenomena is of great interest in the scientific and industrial communities. This work shows the implementation of an integrated system for measuring Multi-angle Laser Light Scattering on a Field Programmable Gate Array. The embedded design delivers a compact and highly competitive system. The system is able to display, in real-time, the light intensity from a photo detector array showing in this way the corresponding pattern distribution of the scattered light at 16 sensing points. Some laser light scattering patterns from metallic samples with different roughness are shown.
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一种16通道锁定激光散射系统的FPGA实现
利用光学技术来测量和表征物理现象是科学界和工业界非常感兴趣的问题。本研究展示了一种在现场可编程门阵列上测量多角度激光散射的集成系统的实现。嵌入式设计提供了一个紧凑和极具竞争力的系统。该系统能够实时显示来自光电探测器阵列的光强度,以这种方式显示16个感测点上散射光的相应模式分布。给出了不同粗糙度金属样品的激光散射图。
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