Please use this identifier to cite or link to this item: https://scidar.kg.ac.rs/handle/123456789/15716
Title: Investigation of bandwidth in multimode W-type microstructured plastic optical fibers
Authors: Drljača, Branko
Savovic, Svetislav
Kovačević, Milan
Simović, Ana
Kuzmanović, Ljubica
DJORDJEVICH, Alexandar
AIDINIS, KONSTANTINOS
Nurymova, Saule
Min, Rui
Issue Date: 2022
Abstract: 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 mPOF's 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.
URI: https://scidar.kg.ac.rs/handle/123456789/15716
Type: article
DOI: 10.1016/j.ijleo.2022.170207
ISSN: 0030-4026
SCOPUS: 2-s2.0-85141807283
Appears in Collections:Faculty of Science, Kragujevac

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