Academic literature on the topic 'Open cavity resonator'

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Journal articles on the topic "Open cavity resonator"

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Nelin, E. A. "Resonator With Reflectors Based on Open-Circuited Stub." Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 98 (December 30, 2024): 66–72. https://doi.org/10.20535/radap.2024.98.66-72.

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Introduction. A two-stub resonator is considered as an analogue of a parallel resonant circuit. Another scheme of the resonator is similar to the Fabry-Perot optical resonator, formed by a resonator cavity and two reflectors. In the presented paper it is proposed a combined reflector formed by a stepped-impedance one and an open-circuited stub. Resonators with such reflectors have a higher quality factor Q than those known based on open-circuited stubs and than the Fabry-Perot resonator. 1 Half wavelength resonator. One of the analogues of the Fabry-Perot resonator is a half wavelength section
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Xie, Yong Chao, Jin Yan Shi, and Xue Yong Ding. "Comparatively Study of Coaxial Waveguide and Open Coaxial Cavity." Advanced Materials Research 694-697 (May 2013): 1417–20. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.1417.

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In this paper, the computational formula of field distribution in a coaxial waveguide and the field distribution, resonant frequency and Q factors of open coaxial resonator are introduced. The S21 and the field profile of the TEM mode in a coaxial waveguide, and the field profile and E-field of the mode in a coaxial resonator is gained by the software CST microware studio. The truth that an open coaxial cavity is virtually a slow-varied section coaxial waveguide is gained.
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Lv, Bing, Wentao Zhang, Wenzhu Huang, Fang Li, and Yongqian Li. "Narrow Linewidth Half-Open-Cavity Random Laser Assisted by a Three-Grating Ring Resonator for Strain Detection." Sensors 22, no. 20 (2022): 7882. http://dx.doi.org/10.3390/s22207882.

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A stabilized narrow-linewidth random fiber laser for strain detection, based on a three-grating ring (TGR) resonator and half-open-cavity structure, is proposed and investigated experimentally. The half-open-cavity structure proved to provide double optical gain of erbium-doped fiber, which was beneficial to increase the photon lifetime as well as further narrow the linewidth. Meanwhile, the stability and frequency noise of narrow lasing output was improved by suppressing the competition-induced undesired residual random lasing modes with the TGR resonator. The TGR resonator is composed of a d
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Lee, Yun-Min, Jin-Kook Kim, and Jung Hur. "Design of An Open-Ended Coaxial Cavity Resonator." Journal of the Institute of Webcasting, Internet and Telecommunication 13, no. 4 (2013): 201–8. http://dx.doi.org/10.7236/jiibc.2013.13.4.201.

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Trubin, A. A. "Mutual Coupling Coefficients of Rotated Rectangular Dielectric Resonators in Open Space." Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 88 (June 30, 2022): 60–68. https://doi.org/10.20535/radap.2022.88.60-68.

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The coefficients of mutual coupling of rectangular dielectric resonators in open space are calculated under the condition of their rotation relative to one of the axes of a given rectangular coordinate system. Analytical formulas for complex coupling coefficients are obtained. The expressions found give complete information about the frequencies and Q-factor of coupled oscillations of dielectric resonators. The dependences of the coupling coefficients on the angles of rotation and spatial coordinates of resonators in the case of excitation of the main magnetic types of natural oscillations in
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Feng, Guo-Hua, and Wen-Sheng Chen. "Piezoelectric Micromachined Ultrasonic Transducer-Integrated Helmholtz Resonator with Microliter-Sized Volume-Tunable Cavity." Sensors 22, no. 19 (2022): 7471. http://dx.doi.org/10.3390/s22197471.

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In this study, a piezoelectric micromachined ultrasonic transducer (PMUT) is integrated with a microliter-sized volume-tunable Helmholtz resonator. The passive Helmholtz resonator is constructed using an SU8 photolithography-defined square opening plate as the neck portion, a 3D-printed hollow structure with a threaded insert nut, and a precision set screw to form the volume-controllable cavity of the Helmholtz resonator. The fabricated piezoelectric films acted as ultrasonic actuators attached to the surface of the neck SU8 plate. Experimental results show that the sound pressure level (SPL)
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Kottapalli, Shravan, Remco van de Meerendonk, Nicholas Waterson, Gunes Nakiboglu, Avraham Hirschberg, and David M. J. Smeulders. "Analytical modelling and experimental validation of compliance-based low-frequency resonators for water circuits." Acta Acustica 6 (2022): 56. http://dx.doi.org/10.1051/aacus/2022050.

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Transmission losses of compact compliance-based resonators in water circuits are investigated. Experiments are performed to measure the anechoic transmission losses (TLan) of flexible-plate resonators and a gas resonator designed for frequencies between 10 and 100 Hz. The measurements are compared to theoretical results based on a lumped-element model and a finite-element model. The TLan is measured using a robust form of the multi-microphone method, which gave identical results for open and closed pipe acoustic terminations at the transmission side of the setup. When an estimate of the reflec
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Wang, Jianguo, Philip Rubini, Qin Qin, and Brian Houston. "A Model to Predict Acoustic Resonant Frequencies of Distributed Helmholtz Resonators on Gas Turbine Engines." Applied Sciences 9, no. 7 (2019): 1419. http://dx.doi.org/10.3390/app9071419.

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Helmholtz resonators, traditionally designed as a narrow neck backed by a cavity, are widely applied to attenuate combustion instabilities in gas turbine engines. The use of multiple small holes with an equivalent open area to that of a single neck has been found to be able to significantly improve the noise damping bandwidth. This type of resonator is often referred to as “distributed Helmholtz resonator”. When multiple holes are employed, interactions between acoustic radiations from neighboring holes changes the resonance frequency of the resonator. In this work, the resonance frequencies f
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Hedayati, Reza, and Sandhya P. Lakshmanan. "Active Acoustic Metamaterial Based on Helmholtz Resonators to Absorb Broadband Low-Frequency Noise." Materials 17, no. 4 (2024): 962. http://dx.doi.org/10.3390/ma17040962.

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The aim of the present work is to design active acoustic metamaterial consisting of an array of Helmholtz resonators and fabricating them using an additive manufacturing technique in order to assist in a reduction in noise levels in aerospace applications. To this aim, initially, a passive metamaterial consisting of an array of 64 Helmholtz resonator unit cells is designed and tested to establish the effectiveness and region of performance. The selected design variable for change is identified as the resonator cavity depth through the frequency response for each parameter of the Helmholtz reso
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Zhang, Liwei, Yewen Zhang, Xiaodong Chen, Xiaoming Liu, Li Zhang, and Hong Chen. "Energy transport in a metamaterial subwavelength open-cavity resonator." Optics Letters 36, no. 12 (2011): 2224. http://dx.doi.org/10.1364/ol.36.002224.

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Dissertations / Theses on the topic "Open cavity resonator"

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Tuhkala, M. (Marko). "Dielectric characterization of powdery substances using an indirectly coupled open-ended coaxial cavity resonator." Doctoral thesis, Oulun yliopisto, 2014. http://urn.fi/urn:isbn:9789526205595.

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Abstract The main objective of this thesis was to research and develop a sensitive characterization method for dielectric powdery substances which could be utilized in various industrial and research fields. With modern electromagnetic simulation tools and the presented experimental measurements, the characterization of dielectric powders using an indirectly coupled open-ended coaxial cavity resonator operating in TEM mode at 4.5 GHz was found to have potential. The modelling and the experimental measurement results of commonly used dielectric powders revealed that, from the nine classical mix
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Cognee, Kevin. "Hybridization of open photonic resonators." Thesis, Bordeaux, 2020. http://www.theses.fr/2020BORD0002.

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Le contrôle de l'interaction entre la lumière et la matière est d'une importance capitale dans de nombreuses technologies modernes, avec des applications allant de la détection, aux télécommunications et à l'information quantique. Les résonateurs nanophotoniques permettent d'améliorer cette interaction par le confinement et le stockage du champ lumineux.Cette thèse étudie l'hybridation des modes propres des nano et microrésonateurs, et en particulier les propriétés de résonateurs hybrides composés d'une cavité diélectrique et de nanoantennes plasmoniques. Les résonateurs photoniques présentent
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Books on the topic "Open cavity resonator"

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Beenakker, Carlo W. J. Classical and quantum optics. Edited by Gernot Akemann, Jinho Baik, and Philippe Di Francesco. Oxford University Press, 2018. http://dx.doi.org/10.1093/oxfordhb/9780198744191.013.36.

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This article focuses on applications of random matrix theory (RMT) to both classical optics and quantum optics, with emphasis on optical systems such as disordered wave guides and chaotic resonators. The discussion centres on topics that do not have an immediate analogue in electronics, either because they cannot readily be measured in the solid state or because they involve aspects (such as absorption, amplification, or bosonic statistics) that do not apply to electrons. The article first considers applications of RMT to classical optics, including optical speckle and coherent backscattering,
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Book chapters on the topic "Open cavity resonator"

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Benisty, Henri, Jean-Jacques Greffet, and Philippe Lalanne. "Basics of resonators and cavities." In Introduction to Nanophotonics. Oxford University Press, 2022. http://dx.doi.org/10.1093/oso/9780198786139.003.0007.

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The chapter encompasses a rigorous approach to model the non-Hermitian resonators that leaks energy in open spaces, as well as a simplified phenomenological approach valid in the limit of weak leakage. The rigorous treatment relies on the concept of normalized quasinormal modes. It is detailed for the intuitive example of a Fabry-Perot cavity. The relationship to the key LDOS concept – the local density-of-states – is given. The phenomenological model has an attractive simplicity to describe coupling phenomena through time constants. It addresses a variety of issues such as weak, strong and critical couplings. The correspondence with the classical textbook Fabry-Perot physics and related concepts such as finesse and quality factors is also outlined.
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Conference papers on the topic "Open cavity resonator"

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Gao, Shuai, and Hang Wong. "Design of Metasurface Cavity for Transmitarray and Open Resonator Antenna." In 2024 Asia-Pacific Microwave Conference (APMC). IEEE, 2024. https://doi.org/10.1109/apmc60911.2024.10867780.

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Tse, Joshua Tin Yau, Shunsuke Murai, and Katsuhisa Tanaka. "Modelling Purcell effect mediated by metasurfaces with spectral parameters." In JSAP-Optica Joint Symposia. Optica Publishing Group, 2024. https://doi.org/10.1364/jsapo.2024.16a_b4_4.

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Empirically measuring the Purcell factor, which represents the maximum enhancement to spontaneous emission in an optical cavity, is straightforward as the photoluminescence enhancement (PLE) can be determined directly by comparing the luminescence intensity with and without the cavity. However, predicting the Purcell factor have been proven to be tricky. In particular, the effective modal volume is difficult to analyze empirically, especially for non-Hermitian systems which includes open resonators and systems with dissipative materials [1].
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Berghaus, Robert, Gregor Bayer, Selene Sachero, Florian Feuchtmayr, Viatcheslav Agafonov, and Alexander Kubanek. "Nanodiamonds With Group IV Defects Coupled to Fabry-Perot Resonators." In CLEO: Science and Innovations. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_si.2024.sw4k.2.

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Using color center in diamond (e.g. silicon vacancy) coupled to an open Fabry-Perot cavity, we present an efficient spin-photon interface. We demonstrate optical coherent driving of a silicon vacancy transition and Purcell enhancement.
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Belous, Oleg. "Analysis of scattering of the open resonator fieldfrom the cavity-backed aperture." In 18th International Conference on Infrared and Millimeter Waves. SPIE, 1993. http://dx.doi.org/10.1117/12.2298540.

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Stephan, Karl D., and Song-Lin Young. "The open-cavity millimeter-wave resonator as a high-Q microstrip circuit element." In 1987 Twelth International Conference on Infrared and Millimeter Waves. IEEE, 1987. http://dx.doi.org/10.1109/irmm.1987.9126902.

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De Nooij, Julie N. D., Marjolijn Kleijer, and Ad C. F. Reniers. "Modified Coupling Aperture to Optimize the Power Transfer in a Fabry-Pérot Open-Cavity Resonator." In 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/USNC-URSI). IEEE, 2022. http://dx.doi.org/10.1109/ap-s/usnc-ursi47032.2022.9886469.

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Deng, Feiyang, and Kwai man Luk. "Low-Profile Wideband High-Gain Open Resonator Antenna Based on Multi-Resonant Modes Cavity and Metasurface." In 2022 Asia-Pacific Microwave Conference (APMC). IEEE, 2022. http://dx.doi.org/10.23919/apmc55665.2022.10000013.

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Kook, Hyungseok, and Luc Mongeau. "Analytical Model for the Periodic Pressure Fluctuations Induced by Flow Over a Cavity." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0078.

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Abstract The interior of an open cavity exposed to a grazing flow is known to experience strong periodic pressure oscillations sustained for a wide range of flow velocities. In this study, an analytical model was investigated to allow predictions of the amplitude and the frequency of the pressure fluctuations induced inside the cavity. The flow-excited cavity system was assumed to be described in the frequency domain by two gain functions, forming a limit cycling closed-loop. The forward gain function is associated with the excitation mechanism, governed by the shedding of discrete vortices wi
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Reaume, Jonathan, and Peter Oshkai. "Experimental Investigation of Resonant Coupling Between Turbulent Flow Past a Rectangular Cavity and a Standing Gravity Wave." In ASME 2016 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/pvp2016-63893.

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Coupling between self-excited oscillations of turbulent flow of water in an open channel along the opening of a rectangular cavity and the standing gravity wave in the cavity was investigated experimentally for a range of inflow velocities and characteristic depths of the water. The objective of the current investigation is to examine the effect of water depth on the onset of fully coupled oscillations of the shear flow past the cavity. Video recording of the oscillating free-surface inside the resonator cavity in conjunction with free-surface elevation measurements using a capacitive wave gau
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Magni, V. "Resonators for Mode-locking of Solid-State Lasers by χ(2) - Cascading". У The European Conference on Lasers and Electro-Optics. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/cleo_europe.1996.cwm1.

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The nonlinear amplitude and phase and distortions that arise from cascading of second-order nonlinear processes1 (χ(2)-cascading) have received considerable attention mainly because the self induced effects can be significantly larger than those originated by third-order interactions. This phenomenon is investigated in various contexts including, e.g., solitons and optical switching. In particular, two techniques of passive mode-locking based on χ(2)-cascading have recently been demonstrated lor continuous-wave Nd lasers2−4. In the Cascaded Second order nonlinearity Modelocking (CSM) the spati
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