Design and implementation of a reconfigurable reflective metasurface
| dc.contributor.advisor | Rivera Rodríguez, Sergio Raúl | |
| dc.contributor.author | Lozano Avila, Sergio Andrés | |
| dc.contributor.orcid | Lozano Avila, Sergio Andrés [000900044286172X] | |
| dc.date.accessioned | 2026-03-12T16:46:46Z | |
| dc.date.available | 2026-03-12T16:46:46Z | |
| dc.date.issued | 2025 | |
| dc.description | ilustraciones a color, diagramas, fotografías | spa |
| dc.description.abstract | La creciente demanda de control dinámico en sistemas inal´ambricos modernos ha impulsado la necesidad de técnicas avanzadas de manipulación de ondas electromagnéticas. Esta tesis tiene como objetivo exponer el diseño y la implementación de una metasuperficie reflectiva reconfigurable. La metasuperficie propuesta utiliza una celda unitaria miniaturizada integrada con un diodo PIN, lo que permite el control de fase mediante polarización en DC. Se empleó una metodología que abarca el modelado teórico utilizando las Generalised Sheet Transition Conditions (GSTCs), además de simulaciones electromagnéticas detalladas desde el nivel de la celda unitaria en condiciones de frontera periódicas hasta distintas configuraciones de superceldas. Se empleó prototipado físico en un circuito impreso, utilizando una estructura matricial de 2424 elementos con 576 diodos PIN ensamblados en sustratos Rogers RO6002. La validación experimental presenta una novedosa configuración basada en la Planar Near-Field Range (PNFR) dentro de una cámara anecoica, donde se emplearon varias disposiciones para probar el dispositivo. Finalmente, se abordaron y analizaron incidencias descubiertas durante las distintas rondas de medición. (Texto tomado de la fuente) | spa |
| dc.description.abstract | The increasing demand for dynamic control in modern wireless systems has driven the need for advanced electromagnetic wave manipulation techniques. This thesis aims to show the design and implementation of a reconfigurable reflective metasurface. The proposed metasurface utilises a miniaturised unit cell integrated with a PIN diode, enabling phase control through DC biasing. A comprehensive methodology, encompassing theoretical modelling using Generalised Sheet Transition Conditions (GSTCs), detailed electromagnetic simulations from unit cell level under periodic boundary conditions to different supercell configurations. Physical prototyping on a printed circuit board, was employed using a 24 × 24 structure with 576 PIN diodes mounted on Rogers RO6002 substrates. Experimental validation presents a novel Planar Near-Field Range (PNFR) based setup in an anechoic chamber, where several arrangements to test the device were employed. Challenges discovered during several rounds of measurements were addressed and analysed. | eng |
| dc.description.degreelevel | Maestría | |
| dc.description.degreename | Magíster en Ingeniería - Ingeniería Electrónica | |
| dc.description.researcharea | Antenas y Propagación | |
| dc.format.extent | xvii, 80 páginas | |
| dc.format.mimetype | application/pdf | |
| dc.identifier.instname | Universidad Nacional de Colombia | spa |
| dc.identifier.reponame | Repositorio Institucional Universidad Nacional de Colombia | spa |
| dc.identifier.repourl | https://repositorio.unal.edu.co/ | spa |
| dc.identifier.uri | https://repositorio.unal.edu.co/handle/unal/89746 | |
| dc.language.iso | eng | |
| dc.publisher | Universidad Nacional de Colombia | |
| dc.publisher.branch | Universidad Nacional de Colombia - Sede Bogotá | |
| dc.publisher.faculty | Facultad de Ingeniería | |
| dc.publisher.place | Bogotá, Colombia | |
| dc.publisher.program | Bogotá - Ingeniería - Maestría en Ingeniería - Ingeniería Electrónica | |
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| dc.relation.references | Xiaozhen Yang, ErdaWen, Dinesh Bharadia, and Daniel F. Sievenpiper. Multifunctional metasurface: Simultaneous beam steering, polarization conversion, and phase offset. IEEE Transactions on Antennas and Propagation, 72:4589–4593, 5 2024 | |
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| dc.relation.references | Changhao Liu, Fan Yang, Shenheng Xu, and Maokun Li. Reconfigurable metasurface: A systematic categorization and recent advances. arXiv, 1(1):1–21, 2022. arXiv:2301.00593 [physics.app-ph]. | |
| dc.relation.references | Xiaoyi Wang and Christophe Caloz. Spread-spectrum selective camouflaging based on time-modulated metasurface. IEEE Transactions on Antennas and Propagation, 69(1):286–295, 2021 | |
| dc.relation.references | JingheWang,Wankai Tang, Jing Cheng Liang, Lei Zhang, Jun Yan Dai, Xiao Li, Shi Jin, Qiang Cheng, and Tie Jun Cui. Reconfigurable intelligent surface: Power consumption modeling and practical measurement validation. IEEE Transactions on Communications, 72(9):5720–5734, 2024. | |
| dc.relation.references | Xiaozhen Yang, ErdaWen, Dinesh Bharadia, and Daniel F. Sievenpiper. Multifunctional metasurface: Simultaneous beam steering, polarization conversion, and phase offset. IEEE Transactions on Antennas and Propagation, 72(5):4589–4593, 2024. | |
| dc.relation.references | Harish Rajagopalan, Shenheng Xu, and Yahya Rahmat-Samii. On understanding the radiation mechanism of reflectarray antennas: An insightful and illustrative approach. IEEE Antennas and Propagation Magazine, 54(5):14–35, 2012. | |
| dc.relation.references | Bowen Zheng, Han Ren, Sensong An, Hong Tang, Hang Li, Mohammad Haerinia, Yunxi Dong, Clayton Fowler, and Hualiang Zhang. Tunable metasurface with dynamic amplitude and phase control. IEEE Access, 9:104522–104529, 2021. | |
| dc.relation.references | Arash Nemati, Qian Wang, Minghui Hong, and Jinghua Teng. Tunable and reconfigurable metasurfaces and metadevices. Opto-Electronic Advances, 1(5):180009, 2018 | |
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| dc.rights.accessrights | info:eu-repo/semantics/openAccess | |
| dc.rights.license | Atribución-NoComercial 4.0 Internacional | |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc/4.0/ | |
| dc.subject.ddc | 620 - Ingeniería y operaciones afines::621 - Física aplicada | |
| dc.subject.ddc | 530 - Física::537 - Electricidad y electrónica | |
| dc.subject.lemb | DISPERSION DE ONDAS ELECTROMAGNETICAS | spa |
| dc.subject.lemb | Electromagnetic waves - scattering | eng |
| dc.subject.lemb | ONDAS ELECTROMAGNETICAS DE SUPERFICIE | spa |
| dc.subject.lemb | Electromagnetic surface waves | eng |
| dc.subject.lemb | PROPAGACION DE ONDAS ELECTROMAGNETICAS | spa |
| dc.subject.lemb | Electromagnetic wave - propagation | eng |
| dc.subject.lemb | SISTEMA UNIVERSAL DE TELECOMUNICACIONES MOVILES | spa |
| dc.subject.lemb | Universal Mobile Telecommunication System | eng |
| dc.subject.proposal | Antenna | eng |
| dc.subject.proposal | Antenna radiation patterns | eng |
| dc.subject.proposal | Electromagnetic propagation | eng |
| dc.subject.proposal | Electromagnetic reflection | eng |
| dc.subject.proposal | Electromagnetic Simulation | eng |
| dc.subject.proposal | Metasurfaces | eng |
| dc.subject.proposal | Periodic Boundary Conditions | eng |
| dc.subject.proposal | P-i-n diodes | eng |
| dc.subject.proposal | Periodic structures | eng |
| dc.subject.proposal | Reflective Metasurface | eng |
| dc.title | Design and implementation of a reconfigurable reflective metasurface | eng |
| dc.title.translated | Diseño e implementación de una metasuperficie reflectiva reconfigurable | spa |
| dc.type | Trabajo de grado - Maestría | |
| dc.type.coar | http://purl.org/coar/resource_type/c_bdcc | |
| dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa | |
| dc.type.content | Text | |
| dc.type.driver | info:eu-repo/semantics/masterThesis | |
| dc.type.redcol | http://purl.org/redcol/resource_type/TM | |
| dc.type.version | info:eu-repo/semantics/acceptedVersion | |
| dcterms.audience.professionaldevelopment | Estudiantes | |
| dcterms.audience.professionaldevelopment | Investigadores | |
| dcterms.audience.professionaldevelopment | Maestros | |
| oaire.accessrights | http://purl.org/coar/access_right/c_abf2 | |
| oaire.awardtitle | Emerging Leaders in the Americas Program | |
| oaire.fundername | Global Affairs Canada |
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