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Mode analyzer for known optical vortices from a spatial light modulator with collinear holography
Applied Optics
|November 22, 2021
Summary
We present a novel method for analyzing optical vortex modes using collinear holography and phase-shifting technology. This technique offers accurate and rapid characterization for diverse applications.
Area of Science:
- Optics and Photonics
- Quantum Optics
Background:
- Optical vortices are crucial in various scientific and technological fields.
- Precise mode analysis of optical vortices is essential for their effective application.
Purpose of the Study:
- To experimentally validate a simple method for optical vortex mode analysis.
- To enhance the accuracy of mode analysis using a novel ring interference strategy.
Main Methods:
- Collinear holography combined with phase-shifting technology for optical field analysis.
- Development and implementation of a ring interference strategy for improved accuracy.
Main Results:
- Successful experimental validation of the proposed method.
- Accurate characterization of complex amplitude and mode purity of optical vortices.
- Demonstration of excellent accuracy and rapidity.
Conclusions:
- The developed method provides a simple, accurate, and rapid approach for optical vortex mode analysis.
- This technique has significant potential for applications in micro-manipulation, optical communication, and rotation speed measurement.
