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High-efficiency off-axis coupling of rotating optical signals based on internal conical reflection
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Jia, Dagong, Yun, Fenjiao, Wang, Ruihang, Zhang, Hongxia, Xu, Tianhua and Liu, Tiegen (2019) High-efficiency off-axis coupling of rotating optical signals based on internal conical reflection. Optical Fiber Technology, 50 . pp. 76-81. doi:10.1016/j.yofte.2019.02.009
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WRAP-high-efficiency-off-axis-coupling-rotating-optical-signals-based-Xu-2019.pdf - Accepted Version - Requires a PDF viewer. Download (1517Kb) | Preview |
Official URL: https://doi.org/10.1016/j.yofte.2019.02.009
Abstract
We propose an off-axis coupling method for rotating optical signals based on the internal conical reflection. An analytic model of off-axis coupling is developed and verified via simulation and experiment. According to theoretical analysis, the coupling efficiency depends on both the reflectivity of, and the number of reflections between, the conical and the circular plane mirrors. When the reflectivity of the conical and the circular plane mirrors are both constant, i.e. n=0.973, the coupling efficiency is decreased with an increase in number of reflections. Experimental results show good agreement with theoretical predictions. In addition, our experiment demonstrates that the proposed method can achieve a multi-channel signal coupling with a maximum insertion loss of 1.62dB in channel T1 and 0.98dB in channel in T2.
| Item Type: | Journal Article | |||||||||
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| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | |||||||||
| Divisions: | Faculty of Science > Engineering | |||||||||
| Library of Congress Subject Headings (LCSH): | Optical fibers | |||||||||
| Journal or Publication Title: | Optical Fiber Technology | |||||||||
| Publisher: | Elsevier | |||||||||
| ISSN: | 1068-5200 | |||||||||
| Official Date: | July 2019 | |||||||||
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| Volume: | 50 | |||||||||
| Page Range: | pp. 76-81 | |||||||||
| DOI: | 10.1016/j.yofte.2019.02.009 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||
| RIOXX Funder/Project Grant: |
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