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The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

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Compact optical module to generate arbitrary vector vortex beams.

Yuan Zhou, Xing Li, Yanan Cai

|October 26, 2020

Summary

This summary is machine-generated.

We developed a compact optical module for efficient vector vortex beam (VVB) generation. This device converts linearly polarized light into VVBs with high energy and spatial light modulator utilization, enabling versatile applications.

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Direct Imaging of Laser-driven Ultrafast Molecular Rotation

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Area of Science:

Optics and Photonics
Laser Physics

Background:

Vector vortex beams (VVBs) offer unique polarization and phase properties.
Efficient generation of VVBs is crucial for advanced optical applications.

Purpose of the Study:

To demonstrate a compact optical module for efficient VVB generation.
To achieve arbitrary spatial polarization and phase control of output beams.
To maximize energy and spatial light modulator utilization.

Main Methods:

Design and fabrication of a compact optical module.
Utilizing a spatial light modulator for beam shaping.
Experimental creation of various VVBs with different topological charges and polarization states.

Main Results:

Achieved efficient generation of VVBs from a linearly polarized input.
Obtained energy utilization up to 61%.
Reached spatial light modulator area utilization of 65.5%.

Conclusions:

The developed module efficiently generates VVBs with controlled properties.
High energy and area utilization make the device practical.
Potential applications include optical tweezers and laser machining.