Literatura científica selecionada sobre o tema "Modes de galerie (WGM)"
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Artigos de revistas sobre o assunto "Modes de galerie (WGM)"
da Silva, Jaime, Elie R. Salameh, M. Volkan Ötügen e Dominique Fourguette. "Photonic Seismometer Based on Whispering Gallery Modes". Seismological Research Letters 93, n.º 2A (26 de janeiro de 2022): 753–62. http://dx.doi.org/10.1785/0220210253.
Texto completo da fonteDu, Xiao-Jing, Xu-Tao Tang, Bo Xie, Lin Ma, Ma-Long Hu, Jun He e Zhong-Jian Yang. "Turning whispering-gallery-mode responses through Fano interferences in coupled all-dielectric block-disk cavities". Optics Express 31, n.º 18 (17 de agosto de 2023): 29380. http://dx.doi.org/10.1364/oe.500562.
Texto completo da fonteKozlov, D., e V. Kotlyar. "Focusing of laser light using a dielectric cylinder carrying higher-order whispering gallery modes". Computer Optics 39, n.º 3 (2015): 324–31. http://dx.doi.org/10.18287/0134-2452-2015-39-3-324-331.
Texto completo da fonteAli, Amir R., e Mohamed A. Kamel. "Mathematical Model for Electric Field Sensor Based on Whispering Gallery Modes Using Navier’s Equation for Linear Elasticity". Mathematical Problems in Engineering 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/9649524.
Texto completo da fonteRivera-Pérez, E., A. Díez, J. L. Cruz, E. Silvestre e M. V. Andrés. "Analysis of whispering gallery modes resonators: wave propagation and energy balance models". Suplemento de la Revista Mexicana de Física 2, n.º 1 Jan-Mar (31 de março de 2021): 81–86. http://dx.doi.org/10.31349/suplrevmexfis.2.1.81.
Texto completo da fonteZadorin, A. S., e A. A. Lukina. "A RESONANCE SYSTEM OF AN OPTOELECTRONIC OSCILLATOR BASED ON A TRANSMISSIONTYPE PLANAR OPTICAL DISK MICROCAVITY". Computer Optics 42, n.º 1 (30 de março de 2018): 60–66. http://dx.doi.org/10.18287/2412-6179-2018-42-1-60-66.
Texto completo da fonteYang, Chengkun, Hao Zhang, Bo Liu, Haifeng Liu, Chao Wang e Shiwei Lin. "Electrically tuned whispering gallery modes microresonator based on microstructured optical fibers infiltrated with dual-frequency liquid crystals". Nanophotonics 7, n.º 7 (23 de junho de 2018): 1333–40. http://dx.doi.org/10.1515/nanoph-2018-0042.
Texto completo da fonteWoska, Simon, Lukas Rebholz, Pascal Rietz e Heinz Kalt. "Intrinsic mode coupling in mirror-symmetric whispering gallery resonators". Optics Express 30, n.º 18 (24 de agosto de 2022): 32847. http://dx.doi.org/10.1364/oe.459348.
Texto completo da fontePeng, Bo, Şahin Kaya Özdemir, Matthias Liertzer, Weijian Chen, Johannes Kramer, Huzeyfe Yılmaz, Jan Wiersig, Stefan Rotter e Lan Yang. "Chiral modes and directional lasing at exceptional points". Proceedings of the National Academy of Sciences 113, n.º 25 (6 de junho de 2016): 6845–50. http://dx.doi.org/10.1073/pnas.1603318113.
Texto completo da fonteIvanov, Alexey, Kirill Min`kov, Alexey Samoilenko e Gennady Levin. "The Measurement of Nanoparticle Concentrations by the Method of Microcavity Mode Broadening Rate". Sensors 20, n.º 20 (21 de outubro de 2020): 5950. http://dx.doi.org/10.3390/s20205950.
Texto completo da fonteTeses / dissertações sobre o assunto "Modes de galerie (WGM)"
Jana, Subha. "Biodetection using fluorescence energy transfer from Quantum dot excited whispering gallery modes to fluorescent acceptors". Electronic Thesis or Diss., Université Paris sciences et lettres, 2021. http://www.theses.fr/2021UPSLS081.
Texto completo da fonteQuantification of specific biomarkers is an important diagnostic tool. Standard immunoassays such as ELISA require extensive washing steps and signal amplification, in particular when the biomarker of interest is only present at very low concentrations. On the other hand, non-radiative Förster resonance energy transfer (FRET) has been used to design one-step homogenous bioassays which do not require any washing steps, where the biomarker enables the formation of a sandwich complex involving donor-labeled and acceptor-labeled antibodies. FRET from the donor to the acceptor then provides an optical signature of the complex formation, hence of the biomarker of interest. However, FRET which is highly sensitive to the donor-acceptor distance, only occurs in a significant rate when the distance between the donor and acceptor is less than 10 nanometers; thus the large size of many biological complexes limits the efficiency of energy transfer, preventing sensitive detection. Here I propose a novel energy transfer modality that uses solution-phase optical microcavities to enhance energy transfer. Following that, I describe a bio-sensing scheme designed to detect a cancer biomarker DNA in solution.To this aim, I have designed microcavity structures in which fluorescent colloidal quantum dots are located inside dielectric polymer microspheres to enable strong coupling of their fluorescence emission with the cavity resonance modes or whispering gallery modes (WGMs) of the microspheres. A detailed study was carried out to comprehend the structural and optical properties of these optical microcavities. I also characterized the energy transfer between these modes and acceptor dye-loaded nanoparticles present in the evanescent field, within a few tens of nanometers above the microsphere surface. An analytical model was constructed to provide insights into the WGM mediated energy transfer (WGET) mechanisms. Moreover, a comparison between WGET and FRET revealed the superiority of WGET in the context of building sensors with improved sensitivity and longer range of detection. In the last part of the thesis, a strategy is discussed in detail to provide biological functionalities to these optical microcavities which would enable them to interact with target analytes such as DNA, RNA, and proteins with high specificity, and moreover to reduce non-specific interactions. This strategy then was adapted to attach DNA capture probes onto the WGM enabled microcavities. Using the DNA attached microspheres as optical donor in combination with probe-DNA functionalized dye nanoparticles as optical acceptors, a biosensing assay has been successfully demonstrated to detect a cancer biomarker DNA called survivin in the solution phase. This assay did not only show good sensitivity towards the target, but also it has proven to be highly specific. The detection scheme has been demonstrated in a sophisticated confocal microscope at the single microsphere level, then successfully translated to a much simpler spectrofluorometer that measures fluorescence from the whole sample solution; the signature of the sandwich complex formation was also effectively detected.In conclusion, I demonstrated that microcavity-assisted energy transfer has several advantages over regular FRET assays. A real bio-sensing assay based on the WGET principle has also been successfully designed to detect cancer biomarkers with high sensitivity and specificity. This study thus opens up many possibilities to design high-performing and more accurate assays to detect varieties of biological entities
Arnaud, Carole. "Étude de fonctions actives et/ou passives à base demicro-résonateurs à modes de galerie". Phd thesis, Université Rennes 1, 2004. http://tel.archives-ouvertes.fr/tel-00121317.
Texto completo da fonteCe manuscrit de thèse est constitué de deux parties distinctes :
La première partie, qui concerne les fonctions passives à base de micro-résonateur planaire, présente différents outils (numérique et analytique) qui permettent de modéliser le comportement de ces structures et démontre la complémentarité de ces outils.
La deuxième partie concerne les lasers micro-sphériques (dopés Erbium) et plus précisément le problème de l'interaction entre les modes d'une micro-sphère et un miroir métallique.
Benmessai, Karim. "Maser cryogénique à modes de galerie". Besançon, 2008. http://www.theses.fr/2008BESA2015.
Texto completo da fonteThe most stable oscillators use a sapphire resonator placed at low temperature. This resonator is used in a passive configuration and the oscillation is maintained by an amplifier at room temperature. To reach ultimate stabilities, several controls must be implemented in order to mitigate the phase and amplitude drifts of the signal in the oscillation loop. Such an oscillator is thus cumbersome and difficult to implement in ground applications. The main objective of this thesis is to validate another principle of the use of sapphire resonator: the Whispering Gallery modes MASER Oscillator (Whigmo). The idea is to use paramagnetic impurities that are present within the sapphire crystal to obtain a self-sustained MASER effect. The Whigmo principle has been demonstrated by using HEMEX sapphire resonators, containing paramagnetic ions (Fe3+ ions). Its principle is based on the three energy levels MASER at zero dc magnetic field. By pumping the ions thanks to a whispering gallery (WG) mode at 31 GHz, an oscillation is obtained via another WG mode at 12. 04 GHz. The maximum power delivred is of about 6. 10. 9 W (ten thousand times higher than an H-Maser) for ionic concentration as Iow as 10 ppb. A model combining the WG modes and the behaviour of the ions within the sapphire matrix, allows to describe the Maser power evolution according to various parameters, such as temperature. . Couplings of the WG modes (at 12 GHz and 31 GHz) and the ionic concentration. Measurements on the MASER instability for a power of about 10-12 W, showed that this oscillator is limited only at short term the thermal noise. An instability lower than 10. 14 at short term has been shown through another experiment, by comparing the Whigmo to the state of the art Cryogenic Sapphire Oscillator (CSO). This work suggests that the MASER working at power of 6. 10. 9 W could deliver short-term instability of about 1. 10. 1611/2. The Whigmo is then an oscillator that combine the performances of the traditional CSO and an extreme simplicity. Ln the near future it will elsewhere become the successor of the traditional CSO
Paquet, Alex. "Biodétection au moyen des modes de galerie de microsphères fluorescentes". Thesis, Université Laval, 2011. http://www.theses.ulaval.ca/2011/28672/28672.pdf.
Texto completo da fonteShah, Suhani Kiran. "Modeling scattered intensity from microspheres in evanescent field". Thesis, [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-2021.
Texto completo da fonteMariani, Silvia. "Mélange à trois ondes dans des microcavités semiconductrices à modes de galerie". Paris 7, 2014. http://www.theses.fr/2014PA077095.
Texto completo da fonteSemiconductor whispering-gallery-mode (WGM) microresonators have already gained a prominent place in today's photonics, as an ideal environment for highly enhanced light-matter interactions like nonlinear wave mixing and optomechanics. These optical cavities can store optical energy on a sub-pm3 volume, by trapping light via total internai reflection. The interest drawn by WGM microcavities originates from their high quality factors and promise of applications for fundamental science and engineering purposes. Thanks to their versatility and high performances, they can be integrated on a photonic chip and involved in a wide set of applications, such as quantum-dot lasers, optomechanics, nanosensing, or quantum optics. This doctoral work deals with the study of three wave mixing processes in two different frameworks. First, I show the development made to fabricate some original micro-resonators that have enabled us to observe second harmonic generation around 775 nm, with a pump wavelength around 1550 nm. The obtained nonlinear efficiency is comparable to the state-of-the-art devices in the III-V platform. The second part of the experiments finds its place within the European project TREASURE. The main goal is the demonstration of an electrically pumped, CW THz emitter, based on difference frequency generation at room temperature. I present the measurements in the near-IR and THz regions performed to compare our results and simulations
Nigon, Frédéric. "Conception de circuits planaires microondes à modes de galerie des résonateurs diélectriques". Limoges, 1997. http://www.theses.fr/1997LIMO0011.
Texto completo da fonteJager, Jean-Baptiste. "Fabrication et étude optique de microcavités à modes de galerie intégrées sur silicium". Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENY017/document.
Texto completo da fonteThis work consisted in developing a fabrication process of silica microtoroids on a silicon chip (steps of lithography and etching in clean room for the realization of microdisks, set up of an optical bench to form a microtoroid with a reflow treatment of a silica microdisk by a CO2-laser), setting up an optical bench to measure the linewidth of their optical resonances at 1.55 µm and finally, exploring light emitters integration in these cavities such as silicon and germanium. Very high quality-factors (Q) close to 10^8 at 1.55µm have been measured on microtoroids. These realizations are very close to the State of the art and validate both the fabrication of these cavities and the optical bench to measure the linewidth of their Whispering Gallery Modes (WGM). With a precise control of the fabrication steps, new resonators have also been fabricated, silica microspheres on a chip with small radii (5 < r < 14µm). An in-depth study of these last ones is presented. Q-factors close to 10^8 have also been measured on microspheres. WGM cavities with a SiOx: Er layer (silicon nanoclusters in silica with erbium ions) are studied by photoluminescence. Coupling of these light emitters to WGM is observed in visible and near infrared at room temperature. A work of coupling of germanium to WGM began and seems promising
Verbert, Jérémy. "Réalisation et étude optique de microcavités à modes de galerie intégrées sur silicium". Phd thesis, Grenoble 1, 2006. http://tel.archives-ouvertes.fr/tel-00143070.
Texto completo da fonteLa première partie de l'étude concerne le développement de matériau émetteur utilisant l'erbium. Différentes matrices sont utilisées afin d'aboutir à une émission efficace à 1,54 µm à température ambiante : silice, silicium sur isolant (SOI) et silice non-stoechiométrique (SRO : nanoclusters de silicium en matrice de silice). Les émetteurs retenus pour l'étude, le silicium sur isolant et l'erbium associé au SRO, sont ensuite intégrés à des cavités de type microdisque par des procédés de lithographie et gravure dérivés de ceux utilisés en microélectronique. Dans le cas des disques à base de silice, un recuit au laser CO2 permet de s'affranchir des rugosités résiduelles par fusion des bords du disque conduisant à la formation de tores.
Les structures obtenues sont ensuite étudiées au moyen d'un banc de photoluminescence spécifique développé au laboratoire tenant compte des caractéristiques de l'émission dans les modes de galerie et permettant leur évaluation fine. Le couplage de l'émission du silicium et du SRO dopé erbium à des modes de galerie possédant des facteurs de qualité de plusieurs milliers (jusqu'à Q ≈ 90000) est ainsi observé à température ambiante. Ces résultats, associés à la possibilité de coupler les cavités à des guides démontrée pour les disques SOI, ouvrent des perspectives particulièrement intéressantes du point de vue de la recherche appliquée (sources intégrées) comme de la recherche fondamentale (effets CQED sur les terres rares).
Jager, Jean-baptiste. "Fabrication et étude optique de microcavités à modes de galerie intégrées sur silicium". Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00768049.
Texto completo da fonteLivros sobre o assunto "Modes de galerie (WGM)"
Blum, Stella, e Bennard B. Perlman. Eighteenth-Century French Fashions Plates: 64 Engravings from the "Galerie des Modes", 1778-1787. Dover Publications, Incorporated, 2016.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Modes de galerie (WGM)"
Vollmer, Frank, e Deshui Yu. "Applications of WGM Microcavities in Physics". In Optical Whispering Gallery Modes for Biosensing, 175–255. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06858-4_4.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Modes de galerie (WGM)"
Alekseev, P. A., M. S. Dunaevskiy, A. M. Monakhov, V. V. Dudelev, G. S. Sokolovskii, A. Baranov e R. Teissier. "AFM visualization of half-disk WGM laser modes". In 2016 International Conference Laser Optics (LO). IEEE, 2016. http://dx.doi.org/10.1109/lo.2016.7549730.
Texto completo da fonteMiao, Yadong, Zhuo Zhang, Mi Li, Yu Xiang, Yunchong Peng, Qiang Chen e Yuejiang Song. "Hybrid WGM-SPP modes in metal-coated microcylinder". In SPIE/COS Photonics Asia, editado por Zhiping Zhou e Kazumi Wada. SPIE, 2016. http://dx.doi.org/10.1117/12.2247800.
Texto completo da fonteGizatulin, Azat, e Albert Sultanov. "Application of whispering gallery modes (WGM) in optical communications". In optical-technologies-in-telecommunications-2017, editado por Vladimir A. Andreev, Vladimir A. Burdin, Oleg G. Morozov, Albert H. Sultanov e Anton V. Bourdine. SPIE, 2018. http://dx.doi.org/10.1117/12.2317739.
Texto completo da fonteLiu, Chia-Liang, Ching-Hang Chien e Yia-Chung Chang. "Coupling of WGM modes of two ZnO microspheres in contact: experiment and simulation". In Light-Emitting Devices, Materials, and Applications XXIV, editado por Martin Strassburg, Jong Kyu Kim e Michael R. Krames. SPIE, 2020. http://dx.doi.org/10.1117/12.2546097.
Texto completo da fonteBirks, T. A., e J. C. Knight. "Excitation of Whispering Gallery Modes in Fibres by Fibres". In The European Conference on Lasers and Electro-Optics. Washington, D.C.: Optica Publishing Group, 1998. http://dx.doi.org/10.1364/cleo_europe.1998.cthi2.
Texto completo da fonteAgastra, Elson, Bexhet Kamo, Algenti Lala, Ilir Shinko e Shkelzen Cakaj. "Method of moments in time domain comprising WGM, SPM and Attachment Modes: Stability issues". In 2016 10th European Conference on Antennas and Propagation (EuCAP). IEEE, 2016. http://dx.doi.org/10.1109/eucap.2016.7481380.
Texto completo da fonteQuan, Haiyong, e Zhixiong Guo. "Radiation Transfer in Whispering-Gallery Mode Microcavities". In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80012.
Texto completo da fonteSalzenstein, P., K. Volyanskiy, H. Tavernier, E. Rubiola e L. Larger. "Compact optoelectronic oscillators using WGM modes on fused silica and MgF 2 mini-disks resonators". In SPIE Photonics Europe, editado por Hugo Thienpont, Peter Van Daele, Jürgen Mohr e Hans Zappe. SPIE, 2010. http://dx.doi.org/10.1117/12.854392.
Texto completo da fonteNasif, Hesham R., e Atsushi Neyama. "Integrated Multi Path Model to Calculate Radionuclide Release From a Repository Using Wavelet Galerkin Method". In 10th International Conference on Nuclear Engineering. ASMEDC, 2002. http://dx.doi.org/10.1115/icone10-22721.
Texto completo da fonteNasif, Hesham R., e Atsushi Neyama. "Detailed Multi Canister Release Model of Radionuclides in High Level Radioactive Waste Repository Using Wavelet Galerkin Method". In 10th International Conference on Nuclear Engineering. ASMEDC, 2002. http://dx.doi.org/10.1115/icone10-22720.
Texto completo da fonte