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21 August 2014 Optical trapping force and sensing detection research based on optical fiber shapes and transmission modes
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We consider the relationships between the optical trapping force of fiber optical tweezers and the different optical fiber modes and shapes. It is well known that the different optical fiber transmission modes and shapes can bring great influence to the light transmission. We calculate the radiation field of each model in the circle waveguide by using Huygens Fresnel principle. Then, based on the Maxwell Stress Tensor Integral, we can calculate the optical trapping force by using these radiation fields. Through the calculation and simulation, we explain the reason that the optical trapping force of fundamental mode is greater than the high modes in the case of having same shape of exit end face of a waveguide. At the same time, we explore the relationship between the optical trapping force and the fiber taper angles both in the fundamental mode and high modes. And we can obtain the maximum value of optical trapping force by optimizing the fiber taper angle. Optical fiber waveguides have the potential for integration of several functions including the sensing detection. Our results paved the road for utilizing the optical fiber waveguides in nano optical devices, optical trapping, and sensing.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hongmei Jiang, Yan Liang, Pengfei Cao, Qunfeng Shao, and Qingqing Meng "Optical trapping force and sensing detection research based on optical fiber shapes and transmission modes", Proc. SPIE 9283, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Design, Manufacturing, and Testing of Micro- and Nano-Optical Devices and Systems, 928310 (21 August 2014);


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