Investigation of bandwidth in multimode W-type microstructured plastic optical fibers
Drljača B. Savović S. Kovačević M.S. Simović A. Kuzmanović L. Djordjevich A. Aidinis K. Yussupova G. Min R.
December 2022Elsevier GmbH
Optik
2022#271
By employing the time-dependent power flow equation (TD PFE), we examine the bandwidth in multimode W-type (double clad) microstructured plastic optical fibers (mPOFs) with a PMMA (polymethyl methacrylate) solid core for parametrically varying depth and width of the intermediate layer (IL) (inner cladding). The investigated W-type mPOFs bandwidth was calculated for various configurations of the air-holes in the inner cladding and varied launch excitations. We obtained that results for smaller inner cladding air-holes at longer fiber lengths exhibit greater bandwidth. On the other hand, for shorter fibers, the launch beam which only excites guided modes, has no effect on the bandwidth due to the air-hole size. The W-type mPOF with a narrower inner cladding has a greater bandwidth. The bandwidth is also larger for a narrow launch that only excites guided modes as opposed to a wider launch that excites both guided and leaky modes. Therefore, the bandwidth increases as the width of the IL is reduced, or by decreasing the diameter of air-holes in the IL, or by exciting only guided modes. W-type mPOFs can be more easily tailored for a specific use in optical fiber sensors and communications because to their programmable properties.
Bandwidth , Microstructued optical fiber , Plastic optical fiber , Power flow equation
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Faculty of Sciences and Mathematics, University of Priština in Kosovska Mitrovica, L. Ribara 29, Kosovska Mitrovica, 38220, Serbia
Faculty of Science, University of Kragujevac, R. Domanovića 12, Kragujevac, 34000, Serbia
Department of Mechanical Engineering, City University of Hong Kong, Hong Kong
Department of Electrical Engineering, Ajman University, P.O. Box 346, Ajman, United Arab Emirates
Center of Medical and Bio-allied Health Sciences Research, Ajman University, P.O. Box 346, Ajman, United Arab Emirates
Department of Electronics, Telecommunications and Space Technologies, Satbayev University, 22 Satbaev St., Almaty, Kazakhstan
Center for Cognition and Neuroergonomics, State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Zhuhai, 519087, China
Faculty of Sciences and Mathematics
Faculty of Science
Department of Mechanical Engineering
Department of Electrical Engineering
Center of Medical and Bio-allied Health Sciences Research
Department of Electronics
Center for Cognition and Neuroergonomics
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