Sensing of Surface and Bulk Refractive Index Using Magnetophotonic Crystal with Hybrid Magneto-Optical Response

Ignatyeva, D.; Kapralov, P.; Golovko, P.; Shilina, P.; Khramova, A.; Sekatskii, S.; Nur-E-Alam, M.; Alameh, K.; Vasiliev, M.; Kalish, A.; Belotelov, V.

Статья опубликована в высокорейтинговом журнале

Информация о цитировании статьи получена из Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 4 июня 2021 г.

Авторы: Ignatyeva Daria, Kapralov Pavel, Golovko Polina, Shilina Polina, Khramova Anastasiya, Sekatskii Sergey, Nur-E-Alam Mohammad, Alameh Kamal, Vasiliev Mikhail, Kalish Andrey, Belotelov Vladimir
Журнал: Sensors
Том: 21
Номер: 6
Год издания: 2021
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
Первая страница: 1984
Последняя страница: 1984
DOI: 10.3390/s21061984
Аннотация: : We propose an all-dielectric magneto-photonic crystal with a hybrid magneto-optical response that allows for the simultaneous measurements of the surface and bulk refractive index of the analyzed substance. The approach is based on two different spectral features of the magneto-optical response corresponding to the resonances in p- and s-polarizations of the incident light. Angular spectra of p-polarized light have a step-like behavior near the total internal reflection angle which position is sensitive to the bulk refractive index. S-polarized light excites the TE-polarized optical Tamm surface mode localized in a submicron region near the photonic crystal surface and is sensitive to the refractive index of the near-surface analyte. We propose to measure a hybrid magneto-optical intensity modulation of p-polarized light obtained by switching the magnetic field between the transverse and polar configurations. The transversal component of the external magnetic field is responsible for the magneto-optical resonance near total internal reflection conditions, and the polar component reveals the resonance of the Tamm surface mode. Therefore, both surface- and bulk-associated features are present in the magneto-optical spectra of the p-polarized light.
Добавил в систему: Храмова Анастасия Евгеньевна

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Sensing of Surface and Bulk Refractive Index Using Magnetophotonic Crystal with Hybrid Magneto-Optical Responseстатья

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