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Analytical approach of ordinary frozen waves for optical trapping and micromanipulation

机译:普通冻结波的光学捕获和显微操纵的分析方法

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The optical properties of frozen waves (FWs) are theoretically and numerically investigated using the generalized Lorenz-Mie theory (GLMT) together with integral localized approximation. These waves are constructed from a suitable superposition of equal-frequency ordinary Bessel beams and are capable of providing almost any desired longitudinal intensity profile along their optical axis, thus being of potential interest in applications in which intensity localization may be used advantageously, such as in optical trapping and micromanipulation systems. In addition, because FWs are composed of nondiffracting beams, they are also capable of overcoming the diffraction effects for longer distances when compared to conventional (ordinary) beams, e.g., Gaussian beams. Expressions for the beam-shape coefficients of FWs are provided, and the GLMT is used to reconstruct their intensity profiles and to predict their optical properties for possible biomedical optics purposes. (C) 2015 Optical Society of America
机译:理论上和数值上使用广义的Lorenz-Mie理论(GLMT)结合积分局部近似对冻结波(FWs)的光学特性进行了研究。这些波由等频率的普通贝塞尔光束的适当叠加构成,并且能够沿其光轴提供几乎任何所需的纵向强度分布,因此,在可能有利地使用强度定位的应用中(例如在光学捕获和显微操作系统。另外,由于FW由非衍射光束组成,所以与常规(普通)光束例如高斯光束相比,它们还能够克服更长距离的衍射效应。提供了FW光束形状系数的表达式,并且GLMT用于重建它们的强度分布并预测其光学特性,以用于可能的生物医学光学目的。 (C)2015年美国眼镜学会

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