Hybrid control method for generating airy beam in wavefront sensorless adaptive optics system

Abstract

In order to reduce the complexity of Airy beams generation based on adaptive optics with a wavefront sensor, a wavefront sensorless adaptive optics system, which employs a camera to measure the far-field intensity distribution as the feedback for optimizing the control voltages of the deformable mirror, is proposed for generating high-quality Airy beams. A hybrid control method combining hill-climbing algorithm and open-loop control method is developed to correct the aberrations of the system and produce the cubic phases. High-quality tunable Airy beams were generated successfully. The properties of the generated Airy beams, such as non-diffraction, self-acceleration and self-healing, were verified. The experimental results coincide with the theoretical results, showing the proposed method has potential applications such as Airy beam light-sheet microscope and optical manipulation.

KEYWORDS:

• Airy beam
• adaptive optics
• deformable mirror
• wavefront sensor-less
• hill-climbing algorithm

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This research was supported by Zhejiang Province Public Welfare Technology Application Research Project [grant number LGG22E050002], Ningbo Science and Technology Innovation 2025 [grant number 2021Z068] and the Fundamental Research Funds for the Provincial Universities of Zhejiang [grant number SJLY2020002].