FPGA implementation of a 16-channel lock-in laser light scattering system

Arturo Moreno-Báez, Gerardo Miramontes De Léon, Claudia Sifuentes-Gallardo, Ernesto García-Domínguez, Daniel Alaniz-Lumbreras, Jorge A. Huerta-Ruelas

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

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.

Original languageEnglish
Title of host publicationProceedings - 2010 IEEE Electronics, Robotics and Automotive Mechanics Conference, CERMA 2010
Pages721-725
Number of pages5
DOIs
StatePublished - 2010
Event2010 7th IEEE Electronics, Robotics and Automotive Mechanics Conference, CERMA 2010 - Cuernavaca, Mexico
Duration: 28 Sep 20101 Oct 2010

Publication series

NameProceedings - 2010 IEEE Electronics, Robotics and Automotive Mechanics Conference, CERMA 2010

Conference

Conference2010 7th IEEE Electronics, Robotics and Automotive Mechanics Conference, CERMA 2010
Country/TerritoryMexico
CityCuernavaca
Period28/09/101/10/10

Keywords

  • FPGA
  • Light scattering
  • Lock-in amplifier
  • Surface roughness

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