The analytical description and experiments of the optical bottle generated by an axicon and a lens

Zeng, Xiahui; Wu, Fang

doi:10.1080/09500340802326807

Cited by 5 publications

(2 citation statements)

References 18 publications

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“…When the distance Z 0 was greater than the focal length of F but smaller than the maximum diffraction range Z max (F < Z 0 < Z max ), a localized annular beam (sometimes referred to as the optical bottle beam) was formed, with z 1 and z 2 both being a function of the distance Z 0 and the focal length of L2. In both cases, the focal radius of the annular pump beam satisfies R = Fγ(n − 1) [17], where F, n and γ are the focal length, the refractive index and the base angle of the axicon, respectively. Considering mode matching for a 20 mm long laser crystal, we decided to apply the second scenario, where the focal length of L2 was 80 mm and the distance Z 0 was 90 mm.…”

Section: Methodsmentioning

confidence: 99%

“…An axicon is a better approach for realizing flexibility in the annular gain profile. In 2015, Zeng et al [17] presented a theoretical analysis of an annular beam generated with an axicon-lens system based on interference theory; they found that a thin ring will be formed in the focal position. In 2016, Hu et al [18] applied an axicon-lens system in a 1.0%at Nd:YVO 4 microchip laser for a 10 cm cavity.…”

Section: Introductionmentioning

confidence: 99%

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An Axicon-Based Annular Pump Acousto-Optic Q-Switched Nd:GdVO4 Self-Raman Vortex Laser

Liu,

Duan,

Mao

et al. 2023

Crystals

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We report, for the first time, the generation of a 1173 nm acousto-optic Q-switched self-Raman vortex laser with an axicon-based annular pump system. A 20 mm long Nd:GdVO4 crystal was used as the self-Raman crystal. Both the fundamental field and the first-Stokes field were investigated using the respective output couplers. In comparison with both vortex fields, a noticeable beam cleaning-up effect and pulse compression were observed from the 1063 nm fundamental field to the 1173 nm first-Stokes field. A Stokes field carrying a unitary topological charge was achieved. Finally, the average output power of the first-Stokes vortex emission reached 454 mW under an incident pump power of 19.5 W, corresponding to a pulse width of 45.7 ns. It was beneficial to apply a high peak power from the Q-switched laser and self-Raman conversion to expand the applications of the vortex laser beam.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

An Axicon-Based Annular Pump Acousto-Optic Q-Switched Nd:GdVO4 Self-Raman Vortex Laser

Liu,

Duan,

Mao

et al. 2023

Crystals

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Formation of a set of axial optical bottles due to annular screening of the binary axicon

Skidanova

2023

2023 IX International Conference on Information Technology and Nanotechnology (ITNT)

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Generation of tunable chain of three-dimensional optical bottle beams via focused multi-ring hollow Gaussian beam

Philip

Viswanathan

2010

J. Opt. Soc. Am. A

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We report here the generation of a chain of three-dimensional (3-D) optical bottle beams by focusing a π-phase shifted multi-ring hollow Gaussian beam (HGB) using a lens with spherical aberration. The rings of the HGB of suitable radial (k(r)) and axial (k(z)) wave vectors are generated using a double-negative axicon chemically etched in the optical fiber tips. Moving the lens position with respect to the fiber tip results in variation of the semi-angle of the cones of wave vectors of the HGBs and their diameter, using which we demonstrate tunability in the size and the periodicity of the 3-D optical bottle beams over a wide range, from micrometers to millimeters. The propagation characteristics of the beams resulting from focusing of single- and multi-ring HGBs and resulting in a quasi-non-diffracting beam and a chain of 3-D optical bottle beams, respectively, are simulated using only the input beam parameters and are found to agree well with experimental results.

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The analytical description and experiments of the optical bottle generated by an axicon and a lens

Cited by 5 publications

References 18 publications

An Axicon-Based Annular Pump Acousto-Optic Q-Switched Nd:GdVO4 Self-Raman Vortex Laser

An Axicon-Based Annular Pump Acousto-Optic Q-Switched Nd:GdVO4 Self-Raman Vortex Laser

Formation of a set of axial optical bottles due to annular screening of the binary axicon

Generation of tunable chain of three-dimensional optical bottle beams via focused multi-ring hollow Gaussian beam

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