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Characterization of white-light non-diffracting beams generated using a deformable mirror.

Hongmin Han, Jianqiang Ma, Bo Tao

|April 27, 2022

Summary

This summary is machine-generated.

Researchers generated high-quality white-light Airy and Bessel beams using a deformable mirror, overcoming chromatic dispersion challenges for advanced imaging and manipulation applications.

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Area of Science:

Optics and Photonics
Wave Phenomena

Background:

White-light non-diffraction beams like Airy and Bessel beams are crucial for applications such as multispectral imaging and micromanipulation.
Conventional methods using diffractive or refractive optics struggle with generating high-quality, efficient white-light beams due to significant chromatic dispersion.

Purpose of the Study:

To generate high-quality white-light Airy and Bessel beams with suppressed chromatic dispersion.
To investigate the feasibility of using a deformable mirror for creating tunable cubic and conical wavefronts for white-light beam generation.

Main Methods:

Utilized a deformable mirror to modulate an incident LED beam, introducing tunable cubic and conical wavefronts.
Generated white-light Airy and Bessel beams by precisely controlling the wavefront modulation.

Main Results:

Successfully generated high-quality white-light Airy and Bessel beams where the main lobe exhibited no chromatic dispersion along propagation.
Demonstrated that generating white-light Bessel beams imposes stricter spatial coherence requirements compared to white-light Airy beams.

Conclusions:

The deformable mirror approach effectively overcomes chromatic dispersion in white-light non-diffraction beams.
The findings enhance the understanding of white-light non-diffraction beams and their generation, paving the way for practical applications in optics.