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LabVIEW-Based Automated Setup for Interferometric Refractive Index Probing.

Nazariy Andrushchak1, Ivan Karbovnyk2

  • 1Department of Computer-Aided Design Systems, Lviv Polytechnic National University, Lviv, Ukraine.

SLAS Technology
|November 28, 2019
PubMed
Summary
This summary is machine-generated.

This study presents an automated LabVIEW-controlled system for precise, non-destructive measurement of refractive indices in crystalline materials. The developed setup ensures accurate optical component characterization for various scientific applications.

Keywords:
LabVIEWautomationoptical materialsrefractive index

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Area of Science:

  • Optics and Photonics
  • Materials Science
  • Instrumentation

Background:

  • Accurate measurement of refractive indices is crucial for optical applications.
  • Existing methods for optical characterization can be complex or destructive.
  • Automated, non-destructive techniques are needed for efficient material analysis.

Purpose of the Study:

  • To develop and demonstrate an automated LabVIEW-controlled setup for interferometric measurement of refractive indices.
  • To enable accurate, non-destructive determination of refractive indices in crystalline materials.
  • To present the concept, implementation, and peculiarities of the developed system.

Main Methods:

  • Utilized a laser light source and a Michelson interferometer.
  • Integrated a mechanical system with a microcomputer-controlled gearless drive.
  • Employed a data acquisition system and a LabVIEW virtual instrument for control and measurement.
  • Performed non-destructive testing on plane-parallel crystalline samples.

Main Results:

  • Achieved accurate, non-destructive determination of refractive indices.
  • Test experiments on various crystals showed results consistent with reference data.
  • Validated the system's capability for precise optical component characterization.

Conclusions:

  • The developed automated setup provides a reliable tool for refractive index measurement.
  • The system is suitable for applications ranging from fundamental optical research to biophotonics.
  • The LabVIEW control offers flexibility and accuracy in optical material analysis.