Helico-conical optical beams self-heal
N. Hermosa, C. Rosales-Guzm\'an, and J. P. Torres
TL;DR
This paper demonstrates that helico-conical optical beams can self-heal after encountering obstacles, showing resilience due to their transverse energy flow, supported by experiments and simulations.
Contribution
It is the first to experimentally confirm self-healing in helico-conical optical beams and relates this to their energy flow characteristics.
Findings
HCOBs can self-heal after obstruction
Self-healing is linked to transverse energy flow
Experimental and numerical evidence supports results
Abstract
An optical beam is said to be self-healing when, distorted by an obstacle, the beam corrects itself upon propagation. In this letter, we show through experiments supported by numerical simulations, that Helico-conical optical beams (HCOBs) self-heal. We observe the strong resilience of these beams with different types of obstructions, and relate this to the characteristics of their transverse energy flow.
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