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Proceedings Paper

Polarization dependence of propagation features modeling for optical micro/nano fiber in circularly bent shape
Author(s): Longjiang Zhao; Jin Cheng
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Paper Abstract

Many optical properties can be obtained from those propagation modes of optical micro/nano fiber, such as single-mode or hybrid-mode operation, power density distribution, strong confinement, large evanescent field and transmission loss. Here, the TE and TM polarization fundamental modes of straight and circularly bent optical micro/nano fibers are simulated respectively using the beam propagation method in 3D model of the commercial Rsoft software. The curves of launch power versus propagation distance at different bending radii and optical wavelengths are then obtained, which indicates the 90° loss and even the longer propagation distance loss are so small that can be ignored when the bending radius is large enough to some extent. And also the transmission loss reduced with the decrease of optical wavelength is revealed. These modeling results might give a valuable insight for understanding the evaluation and application of optical micro/nano fiber, especially in the integrated optical fiber sensing area..

Paper Details

Date Published: 8 July 2019
PDF: 5 pages
Proc. SPIE 11063, Pacific Rim Laser Damage 2019: Optical Materials for High-Power Lasers, 110630E (8 July 2019); doi: 10.1117/12.2538148
Show Author Affiliations
Longjiang Zhao, Qufu Normal Univ. (China)
Jin Cheng, Beijing Information Science and Technology Univ. (China)


Published in SPIE Proceedings Vol. 11063:
Pacific Rim Laser Damage 2019: Optical Materials for High-Power Lasers
Jianda Shao; Takahisa Jitsuno; Wolfgang Rudolph, Editor(s)

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