Мақола

Results of far-field red laser beam profile measurements after propagation over spun silica 7-hollow-GeO2-doped-ring core microstructured optical fibers

Anton V. BourdineJSC "Scientific Production Association State Optical Institute named after S.I. Vavilov" (Russian Federation)Michael V. DashkovPovolzhskiy State University of Telecommunications and Informatics (Russian Federation)Alexander S. EvtushenkoPovolzhskiy State University of Telecommunications and Informatics (Russian Federation)Т. В. НикулинаPovolzhskiy State University of Telecommunications and Informatics (Russian Federation)Elena S. ZaitsevaPovolzhskiy State University of Telecommunications and Informatics (Russian Federation)Andrei S. BorodinovSaint Petersburg State University of Telecommunications named after M.A. Bonch-Bruevich (Russian Federation)Anastasia A. DemenkovaJoint Institute for High Temperatures (Russian Federation)Vladimir V. DemidovJSC "Scientific Production Association State Optical Institute named after S.I. Vavilov" (Russian Federation)Alexander Y. IgumenovMoscow Institute of Physics and Technology (Russian Federation)Mukhammadzoir S. KhadjaevTashkent University of Information Technology named after Mukhammad al-Khwarizmi (Uzbekistan)O. V. KolesnikovMoscow Technical University of Communications and Informatics (Russian Federation)Kirill V. OsadchiiMoscow Institute of Physics and Technology (Russian Federation)Stanislav S. PashinJSC "Scientific Production Association State Optical Institute named after S.I. Vavilov" (Russian Federation)Ankur SahariaPovolzhskiy State University of Telecommunications and Informatics (Russian Federation)Dmitry ShurupovJSC "Scientific Production Association State Optical Institute named after S.I. Vavilov" (Russian Federation)Ghanshyam SinghDaniil A. SutorinMoscow Institute of Physics and Technology (Russian Federation)Egishe V. Ter-NersesyantsJSC "Scientific Production Association State Optical Institute named after S.I. Vavilov" (Russian Federation)Manish TiwariPovolzhskiy State University of Telecommunications and Informatics (Russian Federation)Konstantin V. DukelskiiJSC "Scientific Production Association State Optical Institute named after S.I. Vavilov" (Russian Federation)Grigorii S. PolishchukJSC "Scientific Production Association State Optical Institute named after S.I. Vavilov" (Russian Federation)

2025en

ABI

Аннотация

This work presents the results of red laser beam profile measurements performed for earlier on designed and successfully fabricated silica spun few-mode microstructured optical fiber (MOF) with included seven GeO2-doped capillaries (or seven GeO2-doped hollow ring cores), placed in the central part of optical fiber cross-section (7-GeO2-doped HRC MOF). We compared two drawn from the same cane 7-GeO2-doped HRC MOF samples with weak, medium and strong induced twisting – 130, 300 and 730 revolutions per meter. Researched 7-GeO2-doped HRC MOF has conventional “telecommunication” outer diameter 125 μm; each GeO2-doped HRC inner diameter is 5.0 µm with refractive index difference Δn=0.030 and pitch Λ1=8.80 μm; air holes are placed over typical MOF hexagonal geometry, their diameter 8.80 μm and pitch Λ2=9.80 μm. We present comparison results of red laser (λ=650 nm) beam profile measurements, performed under radially overfilled launching conditions via singlemode optical fiber (SMF) of ITU-T Rec. G.652 with free space connection to the tested weakly and strongly twisted MOF samples.

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Мавзулар

Advanced Fiber Optic Sensors Photonic and Optical Devices Photonic Crystal and Fiber Optics

Идентификаторлар

DOI: 10.1117/12.3084987

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