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Published on: April 23, 2018
Dynamic control of collapse in a vortex Airy beam
Rui-Pin Chen1, Khian-Hooi Chew, Sailing He
1Centre for Optical and Electromagnetic Research, Zhejiang Provincial Key Laboratory for Sensing Technologies, Zhejiang University, China.
Scientific Reports
|March 23, 2013
Summary
Vortex Airy optical beams exhibit suppressed self-focusing collapse in Kerr media compared to non-vortex beams. Collapse location is controllable via initial power, vortex order, and modulation parameters.
Area of Science:
- Nonlinear optics
- Optical beam propagation
- Kerr media
Background:
- Self-focusing and collapse are critical phenomena in nonlinear optics.
- Airy beams possess unique self-healing and non-diffracting properties.
- Vortex beams carry orbital angular momentum, influencing light-matter interactions.
Purpose of the Study:
- To systematically investigate the self-focusing dynamics and collapse of vortex Airy optical beams.
- To compare the collapse behavior of vortex Airy beams with non-vortex Airy beams in a Kerr medium.
- To explore the control and manipulation of collapse location in vortex Airy beams.
Main Methods:
- Theoretical study of optical beam propagation.
- Numerical simulations of vortex Airy beams in a nonlinear Kerr medium.
- Analysis of self-focusing dynamics and collapse phenomena.
Main Results:
- Vortex Airy beams show suppressed collapse compared to non-vortex Airy beams due to vortex fields.
- Collapse locations are sensitive to initial power, vortex order, and modulation parameters.
- Collapse can occur away from the region of maximum initial field intensity, unlike non-vortex beams.
Conclusions:
- The presence of a vortex significantly alters the collapse dynamics of Airy beams.
- Precise control over collapse position is achievable by tuning beam parameters.
- This research offers insights into managing optical collapse for potential applications.
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