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Updated: Feb 6, 2026
12:14
The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
Published on: August 12, 2013
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Nonlinear generation of Airy vortex beam.
Optics Express
|August 19, 2018
Summary
Researchers created novel Airy vortex beams using nonlinear frequency conversion. This technique allows for adjustable beam trajectories, opening new possibilities for optical manipulation and microscopy applications.
Area of Science:
- Optics and Photonics
- Nonlinear Optics
- Beam Shaping
Background:
- Hybrid beams combine properties of different beam types, attracting significant research interest.
- Nonlinear frequency conversion is a key process for generating new light frequencies and beam characteristics.
Purpose of the Study:
- To experimentally demonstrate the generation of Airy vortex beams via nonlinear frequency conversion.
- To investigate the properties and control of generated second harmonic Airy vortex beams.
Main Methods:
- Utilizing a spatial light modulator to phase-modulate a fundamental wave.
- Inciding the modulated fundamental wave into a homogeneous nonlinear medium for frequency conversion.
- Experimental generation and characterization of second harmonic Airy circle vortex and Airy ellipse vortex beams.
Main Results:
- Successfully generated second harmonic Airy circle vortex beams and Airy ellipse vortex beams.
- Measured the topological charge of the generated beams.
- Demonstrated that the parabolic trajectory of Airy vortex beams can be controlled by adjusting the fundamental wave phase.
Conclusions:
- A straightforward method for generating second harmonic Airy vortex beams has been established.
- The ability to control beam trajectory offers potential for advanced applications.
- Potential applications include optical manipulation and light-sheet microscopy.
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