• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>Optical Trapping and Optical Micromanipulation II >Self-imaged optical bottle beam based optical tweezers systems
【24h】

Self-imaged optical bottle beam based optical tweezers systems

机译：基于自成像光学瓶光束的光镊系统

获取原文
获取原文并翻译 | 示例
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

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.
机译：光学镊子技术增强了光与物质的相互作用，因此研究人员将胶体科学到生物医学应用中的光力运用了起来。人们一直在寻求将镊子系统中的新颖光束集成到无数新颖的应用中。在本文中，我们报告了基于自成像光学瓶光束的光镊系统，该系统在少数应用中具有比其他常规光束（如高斯光束，拉盖尔高斯光束和贝塞尔光束）明显的优势。通过将两个具有不同径向波矢量的贝塞尔光束叠加在一起，即可获得自成像瓶光束。自成像瓶光束在传播轴上具有三维强度零点，并通过改变瓶的贝塞尔光束的径向波矢量来实现；瓶子的位置和大小可以预先确定。此外，通过动态改变贝塞尔干涉光束的径向波矢量的参数，获得的动态势阱能够沿纵轴传输输送带布置中的高折射率微粒和低折射率微粒。瓶形射束属于传播不变射束的一族，因此贝塞尔射束具有固有的传播不变性和自重构特性以及与贝塞尔射束相反的三维俘获势，从而使被俘获在中心核中的粒子松散。纵轴。这种瓶形光束还有望在蓝色失谐光抽头中用于将激光冷却的原子光学限制在三维暗区域中。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号