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Chinese Optics Letters

Generation of adjustable partially coherent bottle beams

Jixiong Pu, Meimei Dong, Tao Wang, Ziyang Chen

Published May 31, 2007• 0 citations
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Abstract

The experimental realization of partially coherent bottle beams is reported in this paper. It is shown that by controlling the coherence of the incident light we can generate the adjustable partially coherent bottle beams. The generated bottle beams may have applications in atom optics, and optical tweezers, etc..

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Partially Coherent Bottle Beams

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The generation of the partially coherent bottle beam is investigated.It is shown that the partially coherent bottle beams can be achieved by focusing the partially coherent light with an axicon-lens system.The influence of the spatial coherence of the incident partially coherent light as well as the distance between the focusing lens and the axicon on the size of the bottle beams is investigated.We find that the larger the spatial coherence is,the larger is the size of the resultant bottle beams and the increment of the distance between the focusing lens and the axicon results in the decrease of the size of the bottle beams.This provides a facile approach for generating adjustable partially coherent bottle beams.This kind of partially coherent bottle beams may have applications in atom optics,such as in atom trapping and atom guiding etc.

Journal of Sanming University•Jan 1, 2007•0 citations

Generation of adjustable partially coherent bottle beams by use of an axicon-lens system

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We report, what is to our knowledge, the first experimental realization of partially coherent bottle beams. It is shown that partially coherent bottle beams can be achieved by the focusing of partially coherent light with an axicon-lens system. The influence of the spatial coherence of the incident partially coherent light and other parameters, such as the radius of the limiting aperture of the axicon and the distance between the axicon and the lens, on the size of the bottle beams is investigated. We find that the longer the spatial coherence length, the larger the size of the resultant bottle beams. This dependence of the size of the bottle beams on the spatial coherence of the incident light provides a facile approach for generating adjustable partially coherent bottle beams. This kind of partially coherent bottle beam may have applications in atom optics, such as in atom trapping and atom guiding, etc.

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Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE•Aug 18, 2005•0 citations

Generation of Bottle Beams with a Single Metasurface

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Summary form only given. The authors show that periodically along the propagation direction, the two component Bessel beams, with different sizes of central spot, destructively interfere to form localised intensity minima bounded in three dimensions by regions of higher intensity. We term a beam of this kind an "optical bottle beam" and believe that beams of this kind may have uses for atom trapping applications.

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Enhanced optical vector bottle beams with obscured nodal surfaces

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Optical bottle beams, characterized by their unique three-dimensional dark core, have garnered substantial interest due to their potential applications across multiple domains of science and technology. This paper delves into the current methods used to create these beams and provides a method to obscure their nodal planes through coaxial non-interfering orthogonally polarized beams to generate bottle beams with enhanced uniformity. Experimental and theoretical results show the enhanced vector bottle beam maintains a smaller, more spherically uniform potential well and interesting quasi-particle polarization characteristics.

arXiv:2312.12617•Dec 19, 2023•0 citations
The generation of the partially coherent bottle beam is investigated.It is shown that the partially coherent bottle beams can be achieved by focusing the partially coherent light with an axicon-lens system.The influence of the spatial coherence of the incident partially coherent light as well as the distance between the focusing lens and the axicon on the size of the bottle beams is investigated.We find that the larger the spatial coherence is,the larger is the size of the resultant bottle beams and the increment of the distance between the focusing lens and the axicon results in the decrease of the size of the bottle beams.This provides a facile approach for generating adjustable partially coherent bottle beams.This kind of partially coherent bottle beams may have applications in atom optics,such as in atom trapping and atom guiding etc.
We report, what is to our knowledge, the first experimental realization of partially coherent bottle beams. It is shown that partially coherent bottle beams can be achieved by the focusing of partially coherent light with an axicon-lens system. The influence of the spatial coherence of the incident partially coherent light and other parameters, such as the radius of the limiting aperture of the axicon and the distance between the axicon and the lens, on the size of the bottle beams is investigated. We find that the longer the spatial coherence length, the larger the size of the resultant bottle beams. This dependence of the size of the bottle beams on the spatial coherence of the incident light provides a facile approach for generating adjustable partially coherent bottle beams. This kind of partially coherent bottle beam may have applications in atom optics, such as in atom trapping and atom guiding, etc.
Optical tweezers technique has aggrandized the light-matter interaction, whereby researchers have employed light forces from colloidal sciences to biomedical applications. There have been constant quests to integrate novel beams in tweezers system for myriads of novel applications. In this paper, we report optical tweezers system based on self-imaged optical bottle beams, which has some distinct advantages over other conventional beams like Gaussian, Laguerre-Gaussian and Bessel beams in few applications. A self-imaged bottle beam is obtained by superimposing two Bessel beams with varying radial wavevectors. A self-imaged bottle beam possesses three-dimensional intensity-null points along the propagation axis and by varying the radial wavevectors of the Bessel beams number of bottles; location of bottles and the dimension of the bottles can be pre-determined. Moreover, by dynamically varying the parameters of radial wavevector of interfering Bessel beams, the dynamic potential-well obtained are capable of transporting both high and low indices microparticle in conveyor-belt arrangement along the longitudinal axis. Bottle beams belongs to the family of propagation-invariant beams and hence inherent the propagation-invariance and self-reconstruction properties of Bessel beam together with three-dimensional trapping potential contrary to Bessel beam whereby the particles trapped in the central core are loosing defined in the longitudinal axis. Such bottle beams also holds promise applications in blue-detuned optical taps for the optical confinement of laser-cooled atoms in three-dimensional dark region.
Optical bottle beams, characterized by their unique three-dimensional dark core, have garnered substantial interest due to their potential applications across multiple domains of science and technology. This paper delves into the current methods used to create these beams and provides a method to obscure their nodal planes through coaxial non-interfering orthogonally polarized beams to generate bottle beams with enhanced uniformity. Experimental and theoretical results show the enhanced vector bottle beam maintains a smaller, more spherically uniform potential well and interesting quasi-particle polarization characteristics.