Bibliographies thématiques / Waveguide component

Littérature scientifique sur le sujet « Waveguide component »

Auteur : Grafiati
Publié le 14 mars 2023

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Articles de revues sur le sujet "Waveguide component"

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En, De, Jie Yu Feng, Ning Bo Zhang, Ning Ning Wang et Xiao Bin Wang. « Research on Transmission Loss of Optical Waveguide in Three-Component Acceleration Seismic Geophone ». Applied Mechanics and Materials 143-144 (décembre 2011) : 644–48. http://dx.doi.org/10.4028/www.scientific.net/amm.143-144.644.

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The optical waveguides are produced in LiNbO3 substrate of three-component acceleration seismic geophone by lithography. Three-component acceleration seismic geophone detects changes in the external acceleration by detecting phase changes in the optical waveguides. The performance of optical waveguide directly affects the performance of three-component acceleration seismic geophone. Therefore, it is critical to measure and reduce the transmission loss of waveguides. The advantages and disadvantages of LiNbO3 crystal are introduced. The production process of Ti:LiNbO3 optical waveguide and its performance are presented. Some information about the types of transmission loss of optical waveguide and the measurement methods of optical waveguide loss are provided.
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Gomez-Torrent, Adrian, et Joachim Oberhammer. « Micromachined Waveguide Interposer for the Characterization of Multi-port Sub-THz Devices ». Journal of Infrared, Millimeter, and Terahertz Waves 41, no 3 (8 janvier 2020) : 245–57. http://dx.doi.org/10.1007/s10762-019-00663-4.

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AbstractThis paper reports for the first time on a micromachined interposer platform for characterizing highly miniaturized multi-port sub-THz waveguide components. The reduced size of such devices does often not allow to connect them to conventional waveguide flanges. We demonstrate the micromachined interposer concept by characterizing a miniaturized, three-port, 220–330-GHz turnstile orthomode transducer. The interposer contains low-loss micromachined waveguides for routing the ports of the device under test to standard waveguide flanges and integrated micromachined matched loads for terminating the unused ports. In addition to the interposer, the measurement setup consists of a micromachined square-to-rectangular waveguide transition. These two devices enable the characterization of such a complex microwave component in four different configurations with a standard two-port measurement setup. In addition, the design of the interposer allows for independent characterization of its sub-components and, thus, for accurate de-embedding from the measured data, as demonstrated in this paper. The measurement setup can be custom-designed for each silicon micromachined device under test and co-fabricated in the same wafer due to the batch nature of this process. The solution presented here avoids the need of CNC-milled test-fixtures or waveguide pieces that deteriorate the performance of the device under test and reduce the measurement accuracy.
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NICKELSON, L., S. ASMONTAS, V. MALISAUSKAS et R. MARTAVICIUS. « The dependence of open cylindrical magnetoactive p-Ge and p-Si plasma waveguide mode cutoff frequencies on hole concentrations ». Journal of Plasma Physics 75, no 1 (février 2009) : 35–51. http://dx.doi.org/10.1017/s0022377808007307.

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AbstractIn this article we give the solution of Maxwell's equations for the open circular cylindrical magnetoactive semiconductor plasma (-gyrotropy) waveguides. We describe the method that allowed us to arrive at a dispersion equation for the electrodynamical analyses of open circular cylindrical plasma (OCCP) waveguides. We numerically investigate the main and two higher modes' dispersion characteristics of p-Ge and p-Si waveguides placed in an external constant longitudinal magnetic field at several concentrations of two component hole charge carriers. We analyse the cutoff frequency and other electrodynamical characteristics of helicon modes with the left-handed (e+iϕ) circular polarization. We discover that the cutoff frequencies of the main mode and the working frequency range of OCCP p-Ge and p-Si waveguides are moving continuously towards the direction of higher frequencies when the hole concentration is increasing. We determine that the central frequency of the p-Si plasma waveguide is higher and its broadbandwidth is larger compared with the analogical p-Ge waveguide. We also numerically investigate the helicon mode cutoff frequencies of the infinitive p-Ge and p-Si plasma at several concentrations of two component hole charge carriers. We compare the cutoff frequencies of the helicon modes propagating in the infinite plasma and in the OCCP waveguides.
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Kumar, Sushil, Gaurav Sharma, Gulab Chand Yadav, Vivek Singh et Abhay Kumar Singh. « A novel method of plasmon coupled optical waveguide for aerosol sensor-=SUP=-*-=/SUP=- ». Оптика и спектроскопия 129, no 11 (2021) : 1425. http://dx.doi.org/10.21883/os.2021.11.51650.1014-21.

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The tropospheric aerosol characterization is important for understanding environmental process as well as human health safety. In this study, the surface plasmon resonance sensor is proposed for the detection of ammonium sulfate which is an important component of aerosols. The reflectivity of proposed sensor waveguides is calculated as a function of the incident angle using the transfer matrix method. The performance of proposed sensors having sol-gel film of tetraethylorthosilane and thymolblue are studied and compared. Firstly, the dispersion characteristics are obtained for different modes, and it is observed that the modes are tightly bound in thymol blue waveguide in comparison to tetraethylorthosilane waveguide. Further, the magnetic field distributions are also studied and compared for proposed waveguide sensor configurations. It is found that the sol-gel film of thymol blue waveguide provides high sensitivity while tetraethylorthosilane waveguide shows high figure of merit. Keywords: aerosol, surface plasmon resonance sensor; reflectivity, sensitivity, detection accuracy.
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Kumar Sushil, Sharma Gaurav, Yadav Gulab Chand, Singh Vivek et Singh Abhay Kumar. « A novel method of plasmon coupled optical waveguide for aerosol sensor ». Optics and Spectroscopy 130, no 14 (2022) : 2142. http://dx.doi.org/10.21883/eos.2022.14.54000.1014-21.

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The tropospheric aerosol characterization is important for understanding environmental process as well as human health safety. In this study, the surface plasmon resonance sensor is proposed for the detection of ammonium sulfate which is an important component of aerosols. The reflectivity of proposed sensor waveguides is calculated as a function of the incident angle using the transfer matrix method. The performance of proposed sensors having sol-gel film of tetraethylorthosilane and thymolblue are studied and compared. Firstly, the dispersion characteristics are obtained for different modes, and it is observed that the modes are tightly bound in thymol blue waveguide in comparison to tetraethylorthosilane waveguide. Further, the magnetic field distributions are also studied and compared for proposed waveguide sensor configurations. It is found that the sol-gel film of thymol blue waveguide provides high sensitivity while tetraethylorthosilane waveguide shows high figure of merit. Keywords: aerosol, surface plasmon resonance sensor, reflectivity, sensitivity, detection accuracy.
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Wang, Fengtao, Fuhan Liu, Gee-Kung Chang, Mathew Q. Yao, Ali Adibi et Rao Tummala. « A Real-Time Precision Characterization Technique for Low-Loss Optical Polymeric Waveguide and Lightwave Circuits ». Journal of Microelectronics and Electronic Packaging 5, no 1 (1 janvier 2008) : 26–30. http://dx.doi.org/10.4071/1551-4897-5.1.26.

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An optical polymer waveguide is a key passive component for the optical interconnection. Design, fabrication, and characterization of high-performance waveguides have critical importance for the success of optoelectronic integration. In addition, defect effects, coupling, leakages, crosstalk, etc. are great concerns for the lightwave circuits. We present herein a fast, nondestructive, sensitive, real-time technique for detailed investigation of the propagation properties of planar optical waveguides and lightwave circuits. We use this technique to measure low-loss polymer waveguides on printed circuit board (PCB) substrates, and we have measured propagation losses of 0.065 dB/cm at 850 nm and 0.046 dB/cm at 980 nm. To the best of our knowledge, these are among the lowest losses reported to date for polymer waveguides on PCB substrates. A high-sensitivity CCD camera with a built-in integration function is utilized to observe the light streak in two dimensions through a two-lens imaging system. A few seconds to a few tens of seconds is needed for one complete measurement, compared with the sliding prism method, which requires several hours, and the cutback method, which requires even longer times. This technique can be used to evaluate not only the overall performance of a waveguide but also the local waveguide performance, as well as perform in-situ investigation of propagation properties (defect effect, bending effect, coupling, leakage, etc.). It can be extended to monitor the process of waveguide fabrication and alignment control during assembly for lightwave circuit integration.
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Jia, Jiu Hong, Ze Hou Wang, Dai Feng Yao et Shan-Tung Tu. « Brazing Coupling Performance of Piezoelectric Waveguide Transducers for the Monitoring of High Temperature Components ». Sensors 21, no 1 (25 décembre 2020) : 94. http://dx.doi.org/10.3390/s21010094.

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Piezoelectric waveguide transducers possess great potential for the online monitoring of high temperature critical components, in order to improve their operational safety. Due to the use of a waveguide bar, the sensory device is not susceptible to high temperature environments, which enables the long-term service of the piezoelectric transducers. However, the coupling between the waveguide bar and the high-temperature component has been proven to be the most important part of the monitoring system. In order to effectively transmit waves through the junction of the waveguide bar and the monitoring target, it is necessary to research a reliable coupling method to connect the waveguide transducers with the host structure. In the present research, the feasibility of brazing coupling for wave propagation through the junction was investigated through experiments. Piezoelectric waveguide transducers were welded using various kinds of brazing filler metals. The experimental results indicate that the coupling effects of the brazing welding depend on the filler metals. At the same time, some filler metals for the effective coupling of the transducer and the target monitoring component were identified. The brazing coupling method was verified that it can non-dispersively and effectively propagate waves into the host structure with much better reliability than the conventional dry coupling approach. Moreover, the high-temperature experimental results show that the brazing-coupled waveguide bar system can work reliably and stably in high temperatures at 300 °C for a long time. This work strives to pave a solid foundation for the application of piezoelectric waveguide transducers for the structural health monitoring of high temperature critical components.
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Truong, Tran Xuan, Nguyen Minh Hue et Phung Dinh Hoat. « Edge Effects of Truncated Dirac Solitons in Binary Waveguide Arrays ». Communications in Physics 27, no 3 (18 novembre 2017) : 205. http://dx.doi.org/10.15625/0868-3166/27/3/10653.

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We investigate the edge effects of the optical analogue of the quantum relativistic Dirac solitons in binary waveguide arrays with Kerr nonlinearity when one tail of the Dirac soliton is truncated. We show that if the outermost waveguide of the binary waveguide array hosts the intense component of the truncated Dirac soliton, then Dirac soliton will be repeatedly bent towards the binary waveguide array edge. In the contrast, if the outermost waveguide of the binary waveguide array hosts the weak component of the truncated Dirac soliton, then Dirac soliton will be pushed away from the binary waveguide array edge. To the best of our knowledge, these unique features have not been found in any other systems.
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Falah Fakhruldeen, Hassan, et Tahreer Safaa Mansour. « All-Optical NOT Gate Based on Nanoring Silver-Air Plasmonic Waveguide ». International Journal of Engineering & ; Technology 7, no 4 (6 octobre 2018) : 2818. http://dx.doi.org/10.14419/ijet.v7i4.18955.

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In this work, all-optical plasmonic NOT logic gate was proposed by using metal-insulator-metal (MIM) plasmonic waveguides design. This logic gate is numerically analyzed by COMSOL Multiphysics 5.3a. Recently, plasmonics have attracted more attention due to its huge applications in all optical signal processing. Due to it’s highly localization to metallic surfaces, surface plasmon (SP) may have many applications in sub wavelength to guide the optical signal in waveguides to overcome the diffraction limit which considered a big problem in conventional optics. The proposed design of MIM structure is consist of a dielectric waveguides plus metallic claddings, which guide the incident light strongly in the insulator region. Strong localization and relatively simple fabrication make the MIM waveguides the potential key design of Nano-scale all optical devices. Our design consists of symmetric ring structures with straight waveguides which based on MIM structure. All-optical logic gate (NOT gate) behavior is achieved from utilizing the interface between straight waveguides and ring structure waveguides. By switching the activation of the control port, the propagation of the outgoing field in the output waveguide will be changed. As the simulation results show, the proposed structure could operate as an all-optical NOT logic gate. This gate would be a potential component in many applications of all-optical signals processing.
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Girka, Igor, Roberto Bilato et Wouter Tierens. « Azimuthal surface waves in circular metal waveguides entirely filled by two layers of plasma in axial static magnetic field ». Physics of Plasmas 30, no 2 (février 2023) : 022109. http://dx.doi.org/10.1063/5.0134049.

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The dispersion properties of surface-type electromagnetic waves propagating along azimuthal angles in circular metal waveguides entirely filled by two layers of plasma in an axial static magnetic field are studied. The three-component structure models plasma radial inhomogeneity and generalizes two research which was two researches which were accomplished earlier. One is a circular metal waveguide entirely filled by cold plasma in an axial static magnetic field. The other is a coaxial metal waveguide entirely filled by plasma. Introducing the additional interface between the plasma column and coaxial plasma layer causes arising of the additional root of the dispersion relation which can be of interest for practical applications. The disappearance of additional wave branches with decreasing the difference in the plasma particle densities is carefully investigated. The wave dispersion properties are demonstrated to be mostly determined by the plasma with smaller particle density.
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Thèses sur le sujet "Waveguide component"

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Wilkinson, Peter John. « Novel mechanical alignment and component fabrication for wavelength-selective optical switches ». Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/277801.

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Kot, J. S. « Rectangular dielectric waveguide for millimetre wave components ». Thesis, University of Bath, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374605.

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McColl, Iain. « Radiating and coupling elements in waveguide planar array antennas ». Thesis, Heriot-Watt University, 1992. http://hdl.handle.net/10399/788.

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Jahagirdar, Dhananjay R. « Non-leaky conductor-backed coplanar waveguide-fed microstrip patch antennas ». Thesis, University of Southampton, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241874.

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Grigoropoulos, Nikolaos. « Novel substrate integrated waveguides and components ». Thesis, University of Kent, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.420827.

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Finegan, T. « Theoretical investigation of optical waveguide and fibre components ». Thesis, University of Liverpool, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233848.

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Wang, Hanyang. « Moment method analysis of slotted waveguide antennas incorporating finite element method ». Thesis, Heriot-Watt University, 1994. http://hdl.handle.net/10399/1350.

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Vukovic, Ana. « Fourier transformation analysis of optoelectronic components and circuits ». Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323106.

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Tick, T. (Timo). « Fabrication of advanced LTCC structures for microwave devices ». Doctoral thesis, University of Oulu, 2009. http://urn.fi/urn:isbn:9789514292507.

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Abstract The main objective of this thesis was to research the integration of novel materials and fabrication processes into Low Temperature Co-fired Ceramic (LTCC) technology; enabling fabrication of Radio Frequency (RF) and microwave components with advanced performance. The research focuses on two specific integration cases, which divide the thesis into two sections: the integration of tunable dielectric structures and the integration of air filled waveguides. The first section of the thesis describes the development and characterization of low sintering temperature Barium Strontium Titanate (BST) thick film paste. Sintering temperature of BST is decreased from approximately 1350 °C down to 900 °C by lithium doping and pre-reaction of the doped composition. This allows the co-sintering of the developed BST paste with commercial LTCC materials. Additionally two integration techniques to embed tunable components in an LTCC substrate using the developed BST paste are also presented and the electrical performance of the components is evaluated. The highest measured tunability value was 44% with a bias field of 5.7 V/µm. The permittivity of the films varied between 790 and 190, and the loss tangent varied between 0.004 and 0.005, all measured unbiased at 10 kHz. The developed LTCC compatible BST paste and the presented integration techniques for tunable components have not been previously published. In the second section of the thesis, a fabrication method for the LTCC integrated air-filled rectangular waveguides with solid metallic walls is presented. The fabrication method is described in detail and implemented in a set of waveguides used for characterization. A total loss of 0.1–0.2 dB/mm was measured over a frequency band of 140–200 GHz. The electrical performance of the waveguides is evaluated and their use demonstrated in an integrated LTCC antenna operating at 160 GHz.
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Treen, Andrew S. « The fabrication and theoretical investigation of micromachined submillimetre-wave metal-pipe waveguide components ». Thesis, University of Bath, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296619.

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Livres sur le sujet "Waveguide component"

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Electronic applications of the Smith Chart : In waveguide, circuit and component analysis. 2e éd. Tucker, GA : Noble Publishing, 1995.

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H, Smith Phillip. Electronic applications of the Smith Chart : In waveguide, circuit, and component analysis. 2e éd. Atlanta, Ga : Noble Pub. Corp., 1995.

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Aalto, Timo. Microphotonic silicon waveguide components. [Espoo, Finland] : VTT, 2004.

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Samanta, Swagata, Pallab Banerji et Pranabendu Ganguly. Photonic Waveguide Components on Silicon Substrate. Singapore : Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-1311-4.

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Coplanar waveguide circuits, components, and systems. New York : Wiley-Interscience, 2001.

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Solehmainen, Kimmo. Fabrication of microphotonic waveguide components on silicon. [Espoo, Finland] : VTT Technical Research Centre of Finland, 2007.

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Helszajn, J. Ridge waveguides and passive microwave components. London : IEE, 2000.

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Uher, J. Waveguide components for antenna feed systems : Theory and CAD. Boston : Artech House, 1993.

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Simons, Rainee N. Coplanar Waveguide Circuits Components & Systems. Wiley-IEEE Press, 2001.

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Simons, Rainee N. Coplanar Waveguide Circuits, Components, and Systems. Wiley & Sons, Incorporated, John, 2008.

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Chapitres de livres sur le sujet "Waveguide component"

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Osgood, Richard, et Xiang Meng. « Passive Waveguide Components ». Dans Graduate Texts in Physics, 117–52. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65193-0_7.

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Kouzaev, Guennadi A. « Waveguide Discontinuities and Components ». Dans Lecture Notes in Electrical Engineering, 95–118. Berlin, Heidelberg : Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-30310-4_3.

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Samanta, Swagata, Pallab Banerji et Pranabendu Ganguly. « Introduction to Waveguides ». Dans Photonic Waveguide Components on Silicon Substrate, 1–11. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-1311-4_1.

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Samanta, Swagata, Pallab Banerji et Pranabendu Ganguly. « Theoretical Studies on Silicon and SU-8 Waveguides ». Dans Photonic Waveguide Components on Silicon Substrate, 13–32. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-1311-4_2.

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Samanta, Swagata, Pallab Banerji et Pranabendu Ganguly. « Experimental Studies on SU-8 Wire Waveguides ». Dans Photonic Waveguide Components on Silicon Substrate, 33–51. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-1311-4_3.

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Samanta, Swagata, Pallab Banerji et Pranabendu Ganguly. « Design and Development of Some SU-8 Wire Waveguide Structures ». Dans Photonic Waveguide Components on Silicon Substrate, 53–79. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-1311-4_4.

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Samanta, Swagata, Pallab Banerji et Pranabendu Ganguly. « Design and Development of Polarization-Independent Power Splitter Using Coupled Silicon Waveguides ». Dans Photonic Waveguide Components on Silicon Substrate, 81–96. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-1311-4_5.

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Samanta, Swagata, Pallab Banerji et Pranabendu Ganguly. « Conclusions and Future Scope of Work ». Dans Photonic Waveguide Components on Silicon Substrate, 97–100. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-1311-4_6.

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Kaminow, Ivan P. « Waveguide Grating Router Components for WDM Networks ». Dans Guided-Wave Optoelectronics, 297–98. Boston, MA : Springer US, 1995. http://dx.doi.org/10.1007/978-1-4899-1039-4_37.

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Welstand, R. B., S. A. Pappert, J. T. Zhu, Y. Z. Liu et P. K. L. Yu. « Semiconductor Waveguide Components for Analog Fiber-Optic Links ». Dans Directions for the Next Generation of MMIC Devices and Systems, 239–44. Boston, MA : Springer US, 1997. http://dx.doi.org/10.1007/978-1-4899-1480-4_28.

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Actes de conférences sur le sujet "Waveguide component"

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Jakob, G., V. Saetehnikov et G. Schiffner. « Investigation of CO2-Laser Component Losses Using a Scanning-Interferometer ». Dans The European Conference on Lasers and Electro-Optics. Washington, D.C. : Optica Publishing Group, 1996. http://dx.doi.org/10.1364/cleo_europe.1996.cwf8.

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A method to measure the reflectivity of laser mirrors and to determine optical losses of laser elements Such as windows, capillaries and especially waveguides including slab waveguides has been developed. Measurements have been carried out using a Scanning-Fabry-Perot-Interferometer wind, forms a stable optical resonator and creates thereby laser-like conditions. One mirror is movable by a circular arrangement of piezo elements to tune resonator length by several laser wavelengths. Laser power is coupled into the interferometer and power transmitted through or reflected by the interferometer can be described by Airy-functions. Both values are functions of interferometer length and depend on optical losses within the interferometer. Evaluating measured Airy-curves enables the determination of losses in stable resonators, in waveguide resonators, and also in hybrid slab-waveguide resonators, the latter using cylindrical mirrors. The reflec- tivity of different laser mirrors, the optical losses of alumina ceramic and copper waveguides and coup bug losses were determined for different wavelengths between 9.2 µm 10.8 µm The standard deviation is about 1% of resonator losses. Losses of ceramic-waveguide resonators have been measured for different mirror-waveguide gaps, varying mirror tilt-angles and with apertures placed close to the mirror. Measured optical losses show some minima and maxima at different mirror-waveguide distances. Moreover, it was observed that an aperture placed between the waveguide and the mirror can reduce measured losses.
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Alferness, R. C., L. L. Buhl, M. J. R. Martyak, M. D. Divino, C. H. Joyner et A. G. Dentai. « Narrowband InGaAsP/InP Waveguide Grating-Folded Directional Coupler Multiplexer/Demultiplexer ». Dans Integrated and Guided Wave Optics. Washington, D.C. : Optica Publishing Group, 1988. http://dx.doi.org/10.1364/igwo.1988.mb3.

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Narrowband (<10Å) optical multiplexer/demultiplexers are important components for densely spaced wavelength division multiplexed systems. Waveguide grating reflectors provide an excellent basis for such devices.1,2 This contradirectional interaction provides narrowband response even for relatively short interaction lengths (< 1 mm). However, the wavelength dependent Bragg reflection within a waveguide is, by itself, not sufficient to act as a multiplexer/demultiplexer component. Spatial, not just directional, separation, of the filtered light is also required. Two techniques to efficiently provide such spatial separation in grating-based devices have been suggested. One approach, which employs a grating to achieve phase matched contradirectional coupling between mismatched waveguides has been achieved, with relatively low efficiency, in fiber couplers3 and with vertical couplers based on ARROW waveguides.4 Another possibility, well-known in the microwave domain, combines the bandpass reflectors on both output arms of a broadband 3 dB splitter.5,6 Here we report the first demonstration of this optical waveguide grating-folded coupler to achieve narrowband, spatially isolated wavelength demultiplexing. This approach has the advantage of not placing severe demands upon either the waveguides or grating.
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Bigelow, T. S., T. L. White et H. D. Kimrey. « Atf ech waveguide component development and testing ». Dans 1987 Twelth International Conference on Infrared and Millimeter Waves. IEEE, 1987. http://dx.doi.org/10.1109/irmm.1987.9126990.

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Callender, Claire L., Lucie Robitaille et Julian P. Noad. « Polymer Waveguide Taps for Optical Signal Distribution ». Dans Organic Thin Films for Photonic Applications. Washington, D.C. : Optica Publishing Group, 1995. http://dx.doi.org/10.1364/otfa.1995.md.16.

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GaAs optoelectronic integrated circuit (OEIC) technology is having an increasing impact in the areas of communications and signal processing, with applications such as high speed broad-band switching, high-speed interconnects for multiprocessor local area networks (LANs) and optically controlled phased-array antennas. A major component of the production of OEICs is the low cost, robust and reliable integration of optoelectronic devices for generating, amplifying and detecting optical signals. Recently, there has been considerable interest in the integration of photodetectors with optical waveguide circuits. Monolithic integration of metal-semiconductor-metal (MSM) detectors with semiconductor optical waveguides has been achieved by evanescent coupling from a waveguide layer into an absorbing detector layer grown epitaxially on top of the waveguide1,2. In this paper we examine the potential of polyimide waveguides as integrated light distribution systems in monolithic OEICs. Polymer guides can be formed on top of complex semiconductor circuitry by spin coating and photolithography. Polymer waveguides offer the advantages of ease of processing, low cost, and low optical losses. As well, vertical coupling facilitates alignment of light sources and detectors without additional components such as gratings or 45° facets.
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Swatowski, Brandon W., Maynard G. Hyer, Debra A. Shepherd, W. Ken Weidner et Jon V. Degroot. « Optimization of optical losses in waveguide component manufacturing ». Dans SPIE OPTO, sous la direction de Henning Schröder et Ray T. Chen. SPIE, 2017. http://dx.doi.org/10.1117/12.2252054.

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Felsen, L. B., M. Mongiardo, P. Russer, G. Conti et C. Tomassoni. « Waveguide Component Analysis by a Generalized Network Approach ». Dans 27th European Microwave Conference, 1997. IEEE, 1997. http://dx.doi.org/10.1109/euma.1997.337918.

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Hong, B. J., et C. C. Yang. « Pulse distortions at the coupling between parallel dielectric waveguides ». Dans OSA Annual Meeting. Washington, D.C. : Optica Publishing Group, 1987. http://dx.doi.org/10.1364/oam.1987.mk4.

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The advance of integrated-optics technology has increased interest in guided-wave phenomena. The problem of coupling between parallel dielectric waveguides has been extensively studied. However, the previous discussions are made only for the coupling of a single-frequency wave. In this research, we investigate the problem of conversion of a pulse from one waveguide to the other. The pulse is first decomposed into different frequency components. The coupling between waveguides for each component can be evaluated by using the well-developed coupling theories. The coupled pulse is simply a superimposition of many coupled components. Because the coupling coefficients for various frequency components are different, the coupled pulse is distorted. These distortions are examined for both TE and TM modes. A two-waveguide system is discussed first. Then, a system with more than two parallel waveguides is studied. Also, in evaluating the coupling strength, the conventional coupling formalism is used. However, the modified theory by Streifer is considered as well.
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Gogoi, Nilima, et Partha Pratim Sahu. « Compact surface plasmonic waveguide component for integrated optical processor ». Dans International Conference on Optics & Photonics 2015, sous la direction de Kallol Bhattacharya. SPIE, 2015. http://dx.doi.org/10.1117/12.2184520.

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Atakaramians, Shaghik, Haisu Li, Muhammad Talal Ali Khan, Qigejian Wang, Syed Daniyal A. Shah, Rajour Tanyi Ako, Madhu Bhaskaran et al. « Terahertz waveguide : the fundamental component for sustainable world connectivity ». Dans Terahertz Photonics II, sous la direction de Mona Jarrahi, Dmitry Turchinovich et Sascha Preu. SPIE, 2022. http://dx.doi.org/10.1117/12.2625233.

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Gaylord, T. K., E. N. Glytsis et K. F. Brennan. « Guided electron waves in semiconductor quantum wells ». Dans OSA Annual Meeting. Washington, D.C. : Optica Publishing Group, 1989. http://dx.doi.org/10.1364/oam.1989.mb5.

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The quantum mechanical wave behavior of ballistic electrons allows them to be guided by a semiconductor quantum well. These structures act as optical slab waveguides for guiding directions normal to the confinement direction. The allowed modes in an asymmetric quantum well slab waveguide are described quantitatively. Electron waveguiding can occur for energies above one or both of the potential barriers. Due to dispersion, each electron waveguide mode has an upper-energy cutoff as well as a lower-energy cutoff. An example waveguide consisting of Ga0.85 Al0.15AS (substrate), GaAs (film), and Ga0.70 Al0.30AS (cover) is presented. For [100] GaAs layer thicknesses of from six through thirty-one monolayers this structure is a single-mode electron waveguide. These waveguides are potentially useful in high speed electronic circuitry and as a central component in future electron guided-wave integrated circuits.
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Rapports d'organisations sur le sujet "Waveguide component"

1

Nantista, C. Overmoded Waveguide Components for High-Power RF. Office of Scientific and Technical Information (OSTI), octobre 2003. http://dx.doi.org/10.2172/826768.

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2

Nantista, Christopher. Overmoded Rectangular Waveguide Components for a Multi-Moded RF Power Distribution System. Office of Scientific and Technical Information (OSTI), juillet 2000. http://dx.doi.org/10.2172/763818.

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