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Nanostructured Large Mode Area Fiber for Laser Applications

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dc.abstract.enWe developed a passive silica based large mode area fiber with the nanostructured core with a diameter of 30 m devoted to fiber Bragg grating inscription for application in an all-fiber laser cavity. The fiber is perfectly matched to the commercial active fiber with NA=0.06 and core/cladding diameters 30/250 m. Measured modal characteristics and bending loss of the fiber confirm single-mode operation for bending diameter of 8 cm with bending losses as low as 0.15 dB/m. Although the nanostructured fiber core is low germanium doped, we fabricated high reflectivity (98.5%) UV induced fiber Bragg grating (FBG) and verified its performance in fiber laser setup. The laser cavity formed with highly reflective FBG inscribed in the fiber and Fresnel reflection on the free end of active fiber results in lasing efficiency of 65.5%. The flexibility of the nanostructuring approach gives prospects for the development of free-form large mode area fibers for passive fiber components and matched with any type of active fibers
dc.affiliationUniwersytet Warszawski
dc.contributor.authorOsuch, Tomasz
dc.contributor.authorBUCZYŃSKI, RYSZARD
dc.contributor.authorFILIPKOWSKI, ADAM
dc.contributor.authorPYSZ, DARIUSZ
dc.contributor.authorFRANCZYK, MARCIN
dc.contributor.authorAnuszkiewicz, Alicja
dc.contributor.authorWlodarczyk, Filip
dc.date.accessioned2024-01-25T13:24:05Z
dc.date.available2024-01-25T13:24:05Z
dc.date.issued2022
dc.description.financePublikacja bezkosztowa
dc.description.number12
dc.description.volume40
dc.identifier.doi10.1109/JLT.2022.3149978
dc.identifier.issn0733-8724
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/113303
dc.identifier.weblinkhttp://xplorestaging.ieee.org/ielx7/50/9787682/09709114.pdf?arnumber=9709114
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofJournal of Lightwave Technology
dc.relation.pages3947-3953
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.subject.enFiber bragg gratings
dc.subject.enNanostructured materials
dc.subject.enOptical fiber lasers
dc.subject.enOptical fiber materials
dc.subject.enOptical fiber testing
dc.titleNanostructured Large Mode Area Fiber for Laser Applications
dc.typeJournalArticle
dspace.entity.typePublication