Origin, experimental realization, illustrations, and applications of Bessel beams: a tutorial review

AS Rao - arxiv preprint arxiv:2401.04307, 2024 - arxiv.org
Over the past 36 years much research has been carried out on Bessel beams (BBs) owing to
their peculiar properties, viz non-diffraction behavior, self-healing nature, possession of well …

Optical skyrmions in the Bessel profile

A Srinivasa Rao - Journal of the Optical Society of America A, 2024 - opg.optica.org
Optical skyrmions formed in terms of polarization are topological quasi-particles, and they
have garnered much interest in the optical community owing to their unique inhomogeneous …

Hollow Gaussian beam: Generation, transformation and application in optical limiting

L Lu, Z Wang - Optics Communications, 2020 - Elsevier
The hollow Gaussian beam can be generated by thermal lens effect for a Gaussian beam
propagating through a medium with finite optical absorption. The new model of hollow …

Terahertz radiation generation by Hermite-cosh Gaussian and hollow Gaussian laser beams in magnetized inhomogeneous plasmas

M Hashemzadeh - Brazilian Journal of Physics, 2023 - Springer
Terahertz radiation generation by the interaction between Hermite-cosh Gaussian and
hollow Gaussian laser beams in magnetized inhomogeneous plasmas is investigated. The …

A conceptual review on Bessel beams

SR Allam - Physica Scripta, 2024 - iopscience.iop.org
Over the past 36 years much research has been carried out on Bessel beams (BBs) owing to
their peculiar properties, viz non-diffraction behavior, self-healing nature, possession of well …

On-axis intensity modulation-free, segmented, zero-order Bessel beams with tunable ranges

AS Rao, GK Samanta - Optics Letters, 2018 - opg.optica.org
We propose and experimentally demonstrate a novel experimental scheme to generate high
on-axis peak intensity, segmented, smooth, zero-order quasi-Bessel beams with tunable …

Realization of Non-diffracting and Self-healing Optical Skyrmions

AS Rao - arxiv preprint arxiv:2402.18938, 2024 - arxiv.org
Optical skyrmions formed in terms of polarization are topological quasi-particles and have
garnered much interest in the optical community owing to their unique inhomogeneous …

Two-photon microscopy with enhanced resolution and signal-to-background ratio using hollow Gaussian beam excitation

S Ul Alam, N Kumar Soni, A Srinivasa Rao, H He… - Optics Letters, 2022 - opg.optica.org
Two-photon microscopy (TPM) offers deeper imaging depth inside the scattering medium,
however, it suffers from limited resolution owing to the longer excitation wavelength. We …

Paraxial propagation characteristics of a controllable anomalous hollow vortex beam in free space

Y Qiu, Z Liu - Physica Scripta, 2024 - iopscience.iop.org
Propagation of a recently proposed controllable anomalous hollow vortex (CAHV) beam is
investigated. Based on the integral formula of generalized Huygens–Fresnel diffraction …

Controllable anomalous hollow beam and its propagation properties

Y Wang, Z Yang, S Shen, Z Cai, X Li, S Zhang - Optik, 2021 - Elsevier
The model of controllable anomalous hollow beam (CAHB) is proposed. The analytical
expression of CAHB propagating in ABCD paraxial optical systems is derived. The light …