Отрывок: From this point it is interesting to know how higher modes survive and preserve their purity in such distortions. Here one simple but revealing distor- tion, namely fiber bending, was studied. For demonstration the case was simulated, where fi- ber lies on two supports with 1 mm between them and the bending occurs due to a force applied to the fiber straight between the supports (yet we did not take photoelasticity effects into account). When a beam cons...
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dc.contributor.authorGavrilov, A.V.-
dc.contributor.authorPavelyev, V.S.-
dc.date.accessioned2017-10-25 12:05:04-
dc.date.available2017-10-25 12:05:04-
dc.date.issued2017-08-
dc.identifierDspace\SGAU\20171020\65750ru
dc.identifier.citationGavrilov AV, Pavelyev VS. Integrated fiber-based transverse mode converter. Computer Optics 2017; 41(4): 510-514.ru
dc.identifier.urihttps://dx.doi.org/10.18287/2412-6179-2017-41-4-510-514-
dc.identifier.urihttp://repo.ssau.ru/handle/Zhurnal-Komputernaya-optika/Integrated-fiberbased-transverse-mode-converter-65750-
dc.description.abstractA transverse mode converter based on a binary microrelief implemented directly on the end-face of a few-mode fiber was numerically investigated. The results of numerical simulation demonstrated the converter to form LP-11 and LP-21 modes with high efficiency, providing a more-than 92 % mode purity. Transformations of modes excited by a fiber microbending were also numerically investigated. The excited beams were shown to save their mode purity even in a strong bending as the arising parasitical modes were mostly unguided by the fiber. The resulting beam power and mode content were also demonstrated to depend on the beam and bending mutual orientation for beams with strong rotational symmetry.ru
dc.description.sponsorshipThis work was partly supported by the Ministry of Education and Science of the Russian Federation (project 16.7894.2017/6.7).ru
dc.language.isoenru
dc.publisherСамарский университетru
dc.relation.ispartofseries41;4-
dc.subjecttransverse moderu
dc.subjectbinary microreliefru
dc.subjectfew-mode fiberru
dc.subjectdiffractive optical elementru
dc.titleIntegrated fiber-based transverse mode converterru
dc.typeArticleru
dc.textpartFrom this point it is interesting to know how higher modes survive and preserve their purity in such distortions. Here one simple but revealing distor- tion, namely fiber bending, was studied. For demonstration the case was simulated, where fi- ber lies on two supports with 1 mm between them and the bending occurs due to a force applied to the fiber straight between the supports (yet we did not take photoelasticity effects into account). When a beam cons...-
dc.classindex.scsti29.33.39-
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