Relevant bibliographies by topics / HOM couplers

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'HOM couplers'

Author: Grafiati
Published: 30 November 2024

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Journal articles on the topic "HOM couplers"

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Zhu, J., X. Li, J. Yu, Z. Lu, Y. Liu, S. Chen, W. Long, B. Wu, C. Zhang, and S. Liu. "Optimal design and HOM damping of a 500 MHz 5-cell copper cavity for SAPS." Journal of Instrumentation 17, no. 08 (August 1, 2022): P08013. http://dx.doi.org/10.1088/1748-0221/17/08/p08013.

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Abstract In order to meet the requirements of the Southern Advanced Photon Source (SAPS), a slot-coupled π-mode 5-cell copper cavity with higher order mode (HOM) damping was proposed and developed. In this study, we present the optimal design of a 5-cell copper cavity and an investigation of HOM impedances. A prototype of 5-cell copper cavity based on this design was manufactured. The RF characteristics of 5-cell copper cavity have been tested. The results show that a flat accelerating electric field is obtained, with a coupling coefficient of 1.7% and a shunt impedance more than 19.5 MΩ/m. To damp these HOMs with high impedance, two inductive HOM couplers and two capacitive HOM couplers were designed. Finally, the impedances of all the HOMs are below the threshold of coupled-bunch instabilities (CBI) for SAPS.
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Chai, Xiyuan, Qin Li, Yunpeng Xu, Yungai Tang, Mingsheng Tan, and Cong-Feng Wu. "Higher-order mode analysis for SOLEIL-type superconducting cavity." JUSTC 54, no. 7 (2024): 0706. http://dx.doi.org/10.52396/justc-2023-0150.

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A 499.8 MHz SOLEIL-type superconducting cavity was simulated and designed for the first time in this paper. The higher-order mode (HOM) properties of the cavity were investigated. Two kinds of coaxial HOM couplers were designed. Using 4 L-type and 4 T-type HOM couplers, the longitudinal impedance was suppressed to 3 kΩ, and the transverse impedance below 30 kΩ/m. The HOM damping requirements of Hefei Advanced Light Facility (HALF) were satisfied. This paper conducts an in-depth study on the radio frequency (RF) design, multipacting optimization, and thermal analysis of these coaxial couplers. Simulation results indicated that under operating acceleration voltage, the optimized couplers does not exhibit multiplicating or thermal breakdown phenomena. The cavity has the potential to reach a higher acceleration gradient.
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Sawamura, Masaru, and Ryoji Nagai. "Beam position monitor with HOM couplers." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 557, no. 1 (February 2006): 328–30. http://dx.doi.org/10.1016/j.nima.2005.10.095.

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Kramer, P., and C. Vollinger. "Improved HOM-mitigation for future SPS 33-Cell 200 MHz traveling-wave accelerating structures." International Journal of Modern Physics A 34, no. 36 (December 2, 2019): 1942018. http://dx.doi.org/10.1142/s0217751x19420181.

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The CERN SPS 200 MHz traveling-wave (TW) accelerating structures pose an intensity limitation for the planned High Luminosity (HL-) LHC upgrade. Higher-order modes (HOMs) around 630 MHz have been identified as one of the main sources of longitudinal multi-bunch instabilities. Improved mitigation of these HOMs with respect to today’s HOM-damping scheme is therefore an essential part of the LHC injectors upgrade (LIU) project. The basic principles of HOM-couplers in cavities and today’s damping scheme are reviewed. Before illustrating the numerous requirements, an improved damping scheme for the future 33-cell structures must be fulfilled. These are, among others, the mitigation of HOMs situated in the lower part of the structure where there are no access ports for extraction, a sufficient overall damping performance and an acceptable influence on the fundamental accelerating passband (FPB). Different approaches tackling these challenges are investigated and their performance, advantages and pitfalls are evaluated by ACE3P and CST electromagnetic (EM) field solver suites.
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Zheng, Hong-Juan, Jie Gao, and Zhen-Chao Liu. "Cavity and HOM coupler design for CEPC." Chinese Physics C 40, no. 5 (May 2016): 057001. http://dx.doi.org/10.1088/1674-1137/40/5/057001.

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Watanabe, K., S. Noguchi, E. Kako, T. Shishido, and H. Hayano. "New HOM coupler design for ILC superconducting cavity." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 595, no. 2 (October 2008): 299–311. http://dx.doi.org/10.1016/j.nima.2008.06.048.

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Atangana, Abdon, and Aydin Secer. "The Time-Fractional Coupled-Korteweg-de-Vries Equations." Abstract and Applied Analysis 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/947986.

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We put into practice a relatively new analytical technique, the homotopy decomposition method, for solving the nonlinear fractional coupled-Korteweg-de-Vries equations. Numerical solutions are given, and some properties exhibit reasonable dependence on the fractional-order derivatives’ values. The fractional derivatives are described in the Caputo sense. The reliability of HDM and the reduction in computations give HDM a wider applicability. In addition, the calculations involved in HDM are very simple and straightforward. It is demonstrated that HDM is a powerful and efficient tool for FPDEs. It was also demonstrated that HDM is more efficient than the adomian decomposition method (ADM), variational iteration method (VIM), homotopy analysis method (HAM), and homotopy perturbation method (HPM).
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Makarov, Dmitry N. "Theory of HOM interference on coupled waveguides." Optics Letters 45, no. 22 (November 13, 2020): 6322. http://dx.doi.org/10.1364/ol.410518.

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Koseki, T., M. Izawa, T. Takahashi, Y. Kamiya, K. Satoh, and H. Ogata. "Coaxial HOM coupler for the 500MHz RF damped cavity." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 467-468 (July 2001): 91–94. http://dx.doi.org/10.1016/s0168-9002(01)00249-2.

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Pléchaty, Michel. "A Conjugal Curriculum Vitae Method: Behavioral Assessment and Treatment of Marital Problems." Psychological Reports 63, no. 1 (August 1988): 151–59. http://dx.doi.org/10.2466/pr0.1988.63.1.151.

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This method of assessment and treatment of marital problems focuses on the couple's perception of their happy marital experiences and on the interpretation of their current marital problematic status. Each spouse is asked to describe individually his evaluation of his marital status in terms of what he liked in the course of his marital life, what he was less fond of regarding his marital life, and what his opinions are regarding the reasons which might have led him to his actual problematic marital situation. It has been assumed that this method provides relevant information enabling both therapist and couple to construct a meaningful profile of behavioral deficits and assets and the recollection of past happy experiences helps to build new cognitive and emotional expectations. Treatment is behaviorally oriented, enabling a couple to make a connection between their past happy experiences and the desired future outcome. It also helps increase such positive attitudes as communication, availability, functional consensus, marital creativity, and decrease the manipulative attitude. Five couples were accepted for the treatment and a mean of 13 sessions were held in the spring of 1987. One couple dropped out after two sessions. Two follow-up and two posttests (Locke-Wallace) showed good maintenance of therapeutic gains.
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Dissertations / Theses on the topic "HOM couplers"

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Barbagallo, Carmelo. "Design and optimization of higher order mode couplers for the superconducting cavities of the PERLE energy recovery linac." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASP092.

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PERLE (Powerful Energy Recovery Linac for Experiments) est un accélérateur linéaire à recouvrement d'énergie (ERL) basé sur la technologie à cavité radiofréquence supraconductrice qui sera installé au Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab) en France. Avec une puissance de faisceau cible de 10 MW, PERLE vise à démontrer le fonctionnement multi-passe à haute intensité en onde continue pour valider des options pour les futures machines à haute énergie, telles que l'ERL de 50 GeV proposé pour LHeC (Large Hadron Electron Collider) et FCC-eh (Future Circular Electron-Hadron Collider), et à accueillir des expériences dédiées en physique des particules et en nucléaire. Dans les ERLs à haute intensité, l'instabilité de Beam Breakup (BBU), résultant de l'interaction entre le faisceau et les modes d'ordre supérieur (HOMs) des cavités, est une préoccupation majeure pour leur fonctionnement stable. Les HOMs induits par le faisceau peuvent augmenter la charge thermique de la cavité à température cryogénique et causer des instabilités du faisceau. Des coupleurs HOM sont installés dans les tubes de faisceau de la cavité pour absorber l'énergie des HOMs et atténuer ces effets. Cette thèse présente la conception et l'optimisation de plusieurs coupleurs HOM coaxiaux pour les cavités elliptiques en Nb avec 5 cellules à 801,58 MHz de la configuration PERLE ERL à 500 MeV. La transmission RF des coupleurs HOM a été optimisée pour améliorer l'amortissement des HOMs les plus dangereux. Les coupleurs HOM optimisés ont été intégrés dans des groupes d'extrémité pour simuler leur performance d'amortissement et leur comportement thermique. Les coupleurs HOM optimisés ont été imprimés en 3D en époxy et revêtus de cuivre. Des mesures RF à faible puissance ont été effectuées sur les coupleurs HOM produits installés dans des cavités en cuivre de type PERLE pour valider leur performance d'amortissement et proposer plusieurs groupes d'extrémité pour la cavité PERLE avec 5 cellules afin d'atténuer les HOMs en dessous des limites d'instabilité BBU
The Powerful Energy Recovery Linac for Experiments (PERLE) is an energy recovery linac (ERL) facility based on superconducting radio-frequency (SRF) technology to be hosted at the Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab) in France. With a target beam power of 10~MW, PERLE aims to demonstrate the high-current, continuous wave, multi-pass operation to validate options for future high-energy machines, such as the 50 GeV ERL proposed for the Large Hadron Electron Collider (LHeC) and the Future Circular Electron-Hadron Collider (FCC-eh), and host dedicated particle physics and nuclear experiments. In high-current ERLs, the regenerative Beam Breakup (BBU), emerging from the beam and cavity Higher Order Modes (HOMs) interaction, is a major concern for their stable operation. Beam-induced HOMs can increase the cavity heat load at cryogenic temperature and cause beam instabilities. HOM couplers are installed in the cavity beam pipes to absorb HOM energy and mitigate these effects. This thesis presents the design and optimization of several coaxial HOM couplers for the 5-cell 801.58 MHz elliptical Nb cavities of the 500 MeV PERLE ERL configuration. The RF transmission of the HOM couplers was optimized to enhance the damping of the most dangerous HOMs. The optimized HOM couplers were integrated into endgroups to simulate their damping performance and thermal behavior. The optimized HOM couplers were 3D-printed in epoxy and copper-coated. Low-power RF measurements were conducted on the produced HOM couplers installed in copper PERLE-type cavities to validate their damping performance and propose several endgroups for the PERLE 5-cell cavity to mitigate HOMs below the BBU instability limits
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Chu, Yuk-ha Agnes. "First home : a problem or no problem /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B20125914.

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Chu, Yuk-ha Agnes, and 朱玉霞. "First home: a problem or no problem." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B31968235.

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Ford, Helen Faye. "Church as home, what young married couples value." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/NQ65185.pdf.

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SILVA, MARILIA SALDANHA DA. "TAKE-OFF FROM HOME: CONTEMPORARY DILEMMAS FOR CREW MEMBERS COUPLES." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2010. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=15618@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO
COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
O presente estudo procura examinar a questão da desigualdade de gênero na divisão de tarefas domésticas e responsabilidades familiares entre membros de casais de aeronautas, profissionais da aviação comercial (comissários e pilotos). Procura-se investigar neste subgrupo como ocorre a conciliação entre a vida familiar e o trabalho de turnos alternantes. Utiliza-se como referencial básico a contribuição de cientistas sociais em seus estudos acerca das relações de gênero na contemporaneidade. Homens e mulheres trabalham cada vez mais em horário integral e se veem divididos diante de propostas igualitárias de relacionamento em contraposição a práticas mais tradicionais. Parece que a transformação das mentalidades nas relações de gênero foi insuficiente no que diz respeito a uma divisão mais igualitária das tarefas domésticas. A lacuna deixada pelas mulheres na vida privada, com sua entrada maciça no mercado de trabalho, não foi ocupada por outros, senão por elas próprias, que se dividiram e se multiplicaram em muitas para poder conciliar família e profissão. Após uma revisão de literatura, foram realizadas entrevistas com quatro casais de aeronautas do Rio de Janeiro. Os dados obtidos nas entrevistas entraram em consonância com o que a literatura já vem discutindo sobre casais de outras categorias profissionais. As mulheres casadas e com filhos despendem mais tempo com o trabalho doméstico e com as responsabilidades familiares do que seus maridos. Diante desta constatação, percebe-se que a especialização de papéis ainda está fortemente ancorada nas ideologias de gênero tradicionais que regem os comportamentos de homens e mulheres contemporâneos, produzindo com isto um cenário desfavorável para ascensão profissional das mulheres e para um maior envolvimento dos homens com a vida familiar.
The main subject of this study is the gender inequality in the division of household chores and child care between spouses who work as crew members in civil aviation (flight attendants and pilots). This study reports an investigation of the relationships of nonstandard work schedules and family balance. It is based on the several studies conducted by social scientists about gender relations in the contemporary society. Men and women are engaged in full time work and confronted with an egalitarian social discourse and traditional patterns of behavior. It seems that the shift regarding gender relations and more balanced divisions of household chores are still insufficient. Women joined the workforce dealing with multiple roles to balance household chores and career. After reviewing several academic books and articles, interviews with four middle class flight crew members’ couples from Rio de Janeiro were conducted. The results were similar to other studies with couples from other professional categories: married women with children still do much more routine household chores than their husbands. The gender segregation of tasks associated with the traditional gender ideologies contribute to reinforcing the specialized roles, an unfavorable scenario for career development for women and greater involvement of men with family life.
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Kan, Man-yee. "Between house and home : contesting domestic ideals of middle class couples in Hong Kong /." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22079087.

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Lovejoy, Kimberly Ann Rose. "Marriage moments : an evaluation of an approach to stregnthen couples' relationships during the transition to parenthood, in the context of a home visitation program /." Diss., CLICK HERE for online access, 2004. http://contentdm.lib.byu.edu/ETD/image/etd533.pdf.

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Chin-Ortiz, Shi-Ming Peggy. "Polyamrous attitudes/lifestyle and interactional qualities of the primary relationship /." Connect to CIFA website:, 2008. http://sites.google.com/site/californiainventoryforfamilyassessment/Home.

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Barrett, Carla. "Queering the home : the domestic labour of LGBTQ couples in contemporary England." Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/384996/.

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Anzola, Beltran Juan Diego. "Transnational same-sex couples : negotiating intimacy and home(s) 'here' and 'there'." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/50682/.

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This thesis explores the ways in which transnational same-sex couples construe and experience transnational migration, intimacy, and home. The study was initially born out of the need to contribute to the young, but growing body of scholarly work in relation to queer migration studies. For long, the figure of ‘the migrant’ was founded on heterosexual terms only, thus impeding any possibility of exploring the lives of those with non-normative gender and sexual identities. During the last two decades or so, new scholarship has tried to alter this picture, arguing for a more inclusive assessment of global migration. This project aims to further the scholarly conversations in this regard, but it also wishes to go beyond the traditional economic and political spheres in which the migrant is usually placed in; hence, it promotes a study of migration that is also preoccupied with the intimate and emotional life of LGBT+/queer migrants. In this sense, this research is interested in how 12 transnational same-sex couples (that are also binational) understand and practice intimate life and home. Indeed, examining the life of these couples in migration offers a unique opportunity to delve into the intimate and domestic dimensions of transnational migration, and therefore, to show how the research participants actively negotiated and sustained family life and a sense of belonging in today’s rapidly changing and globalising world. The ‘transnational’ component will be key across this thesis, as it enables the possibility of understanding the couples’ different movements, attachments, networking and (emotional and material) practices that explicate and buttress their migratory journeys. The study was carried through the use of ethnographic techniques, namely, narrative interviewing, observation, and the construction of material culture narratives at the participants’ home(s). This methodological combination allowed for an in-depth and careful exploration of the individual and coupled biographies of the research participants. Particularly, this thesis illustrates how working with material culture brings richness and additional depth to empirical data, as well as it provides new opportunities for creativity and interaction with research participants. In the end, this research project chiefly aims to provide gay men, lesbians, and other non-heterosexuals in transnational relationships additional tools to reflect on their lives, sense of belonging, citizenship status, and the value that is politically and socially bestowed on to their relationships, families and overall personal commitments. Indeed, I wish to bring attention to the intimate side of migration; to the fact that migrants, like the ones in this research, have meaningful and on-going personal and interpersonal attachments and commitments. This is why I argue that studying this can be key to a deeper and better understanding of the phenomenon of migration in the 21st Century.
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Books on the topic "HOM couplers"

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O'Leary, Amy Aldred. Necessary chores: Dual earner couples' time spent in housework. Charlottesville, VA: University of Virginia, Department of Sociology, 1989.

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Levin, Irene. Særbo-- ett par, to hjem. [Oslo]: N.W. Damm, 2003.

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Levin, Irene. Særbo-- ett par, to hjem. [Oslo]: N.W. Damm, 2003.

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Nishi, Kanako. Mado no sakana =: Blind fishes. Tōkyō: Shinchōsha, 2008.

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Booth, Nan. Romantic at-home dinners: Sneaky strategies for couples with kids. St. Paul, MN: Brighton Publications, 1994.

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Eric, Marcus, ed. The male couple's guide: Finding a man, making a home, building a life. New York: HarperPerennial, 1992.

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Marcus, Eric. The male couple's guide: Finding a man, making a home, building a life. 3rd ed. New York: HarperPerennial, 1999.

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Roux, Patricia. Couple et égalité: Un ménage impossible. Lausanne: Editions Réalités sociales, 1999.

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Siluk, Gregory Shirley, ed. The home team: How couples can make a life and a living by working at home. Naperville, IL: Panda Pub., 1997.

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Hafstad, Kjetil. Frihetens festning-- så fast en borg?: Kirke og samliv-- hetero og homo. Oslo: Forum, 2000.

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Book chapters on the topic "HOM couplers"

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Koepke, Karl. "Design of Power and HOM Couplers for TESLA." In A Cryogenic Engineering Conference Publication, 877–84. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0373-2_113.

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Shu, Quan-Sheng, Jonathan A. Demko, and James E. Fesmire. "RF Power Input and HOM Couplers for Superconducting Cavities." In Cryogenic Heat Management, 295–316. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003098188-12.

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Felsenstein, Frank. "Thirty-Two." In No Life Without You, 591–600. Cambridge, UK: Open Book Publishers, 2024. http://dx.doi.org/10.11647/obp.0334.32.

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Here the author takes the lead, describing the events that followed the end of the letter correspondence. They speak on the couple’s new challenges, how the war led to them finally being together again, but also to Mope’s arrest and internment due to his German heritage and time in Russia and being suspected as a spy. Eventually, Mope was released and became a member of the Home Guard, a part-time role that allowed him to pursue his work in the fur-trade. This chapter features journal entries regarding their choice to wait until they could be more sure of an Allied victory before they attempted to have a child, and later entries welcome their first child, and the author of this book, into the world. A birthday journal, added to on the 28th July for the first four years of the child’s life, describes the changes and lifestyle that the family experience in the years following the war. The writer elaborates on details about the couple, following the war. This includes the instance of their citizenship and many memories recalled from the writer’s childhood.
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Addison, Sheila M., and Noelle Clason. "“I Will Always Come Home to You”." In Handbook of LGBTQ-Affirmative Couple and Family Therapy, 297–323. 2nd ed. New York: Routledge, 2021. http://dx.doi.org/10.4324/9780429274626-21.

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Hu, Ben Yu-Kuang, and Karsten Flensberg. "Nonlinear Coulomb Frictional Drag In Coupled Quantum Wells And Wires." In Hot Carriers in Semiconductors, 261–63. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0401-2_60.

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Soldatenko, Yu N., and F. T. Vasko. "Hot Electrons in the Tunnel-Coupled Quantum Wells under Intersubband Excitation." In Hot Carriers in Semiconductors, 523–25. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0401-2_119.

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Pötz, W., and U. Hohenester. "Free—Carrier Screening in Coupled Electron-Phonon Systems out of Equilibrium." In Hot Carriers in Semiconductors, 425–27. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0401-2_97.

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Stone, R. J., J. G. Michels, S. L. Wong, C. T. Foxon, R. J. Nicholas, and A. M. Fox. "Far-Infrared Modulated Photocurrent in GaAs/AlGaAs Coupled Quantum Well Tunnelling Structures." In Hot Carriers in Semiconductors, 43–47. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0401-2_10.

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Haug, Rolf J. "Transport Spectroscopy of Single and Coupled Quantum Dots in Single Electron Tunneling." In Hot Carriers in Semiconductors, 273–78. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0401-2_63.

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König, Valentina, Michael Rom, and Siegfried Müller. "A Coupled Two-Domain Approach for Transpiration Cooling." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 33–49. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53847-7_2.

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Abstract Transpiration cooling is an innovative cooling concept where a coolant is injected through a porous ceramic matrix composite (CMC) material into a hot gas flow. This setting is modeled by a two-domain approach coupling two models for the hot gas domain and the porous medium to each other by coupling conditions imposed at the interface. For this purpose, appropriate coupling conditions, in particular accounting for local mass injection, are developed. To verify the feasibility of the two-domain approach numerical simulations in 3D are performed for two different application scenarios: a subsonic thrust chamber and a supersonic nozzle.
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Conference papers on the topic "HOM couplers"

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Goodsell, Jeremy, Daniel K. Nikolov, A. Nick Vamivakas, and Jannick P. Rolland. "Mitigating Efficiency and Image Quality Tradeoffs in AR Waveguide Displays." In 3D Image Acquisition and Display: Technology, Perception and Applications, DF1H.5. Washington, D.C.: Optica Publishing Group, 2024. http://dx.doi.org/10.1364/3d.2024.df1h.5.

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Diffractive waveguide displays have low optical efficiency from multiple in-coupler interactions. Single-zone designs trade efficiency for image quality, but we demonstrate how a multi-zone in-coupler mitigates this tradeoff.
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Zhang, Lei, Greg Petrus, and James Miller. "Coupled CFD and Part Distortion Modeling for Gas Quenching Applications." In IFHTSE 2024, 212–19. ASM International, 2024. http://dx.doi.org/10.31399/asm.cp.ifhtse2024p0212.

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Abstract Manufacturers regularly employ finite-element (FE) process modeling tools for the simulation of heat treatment applications, such as quenching. These tools may utilize thermal, mechanical and microstructural calculations in the analysis of part distortion and residual stresses. Heat treatment modeling workflows are challenged by the requirement for user-provided heat transfer boundary conditions, which vary based on part geometry and process parameters. Representative Heat Transfer Coefficients (HTCs) are typically reversed-engineered using experimental thermocouple data, thermal simulations and inverse optimization methods. This paper will present ‘state of the art’ developments integrating computational fluid dynamics (CFD) capabilities into the heat treat modeling environment of the DEFORM system. It will describe how CFD and thermal modeling of a quench medium is being coupled with deformation and heat transfer modeling of a part through the use of CFD-calculated, local heat transfer boundary conditions. Studies verifying the implemented CFD methods against published literature will be summarized. Application examples will show how residual stress and distortion in parts, during single-part or batch gas quenching, is made possible by coupled CFD and thermo-mechanical process modeling tools.
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Sawamura, M. "Measurement of beam position monitor using HOM couplers of superconducting cavities." In 2007 IEEE Particle Accelerator Conference (PAC). IEEE, 2007. http://dx.doi.org/10.1109/pac.2007.4439959.

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Sun An, C. Gao, Y. S. Cho, and B. H. Choi. "PEFP HOM coupler design." In 2007 IEEE Particle Accelerator Conference. IEEE, 2007. http://dx.doi.org/10.1109/pac.2007.4441183.

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Reid, Paul, Chad Mittelstadt, and Tim Faber. "Electric vehicle conductive charge couplers." In 2014 IEEE 60th Holm Conference on Electrical Contacts (Holm). IEEE, 2014. http://dx.doi.org/10.1109/holm.2014.7031062.

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Xiao, L., K. Ko, Z. Li, C. Ng, G. Schussman, A. Seryi, R. Uplenchwar, et al. "HOM and LOM coupler optimizations for the ILC crab cavity." In 2007 IEEE Particle Accelerator Conference. IEEE, 2007. http://dx.doi.org/10.1109/pac.2007.4441282.

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Udongwo, Sosoho-Abasi, and Ursula Van Rienen. "Design and Optimisation of a Double-Notch DQW HOM Coupler." In 2023 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, 2023. http://dx.doi.org/10.1109/iceaa57318.2023.10297625.

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Chiang, Kin Seng, and Ping Shum. "Switching of short pulses in nonlinear directional couplers: effects due to the dispersion of the coupling coefficient." In Nonlinear Guided Waves and Their Applications. Washington, D.C.: Optica Publishing Group, 1998. http://dx.doi.org/10.1364/nlgw.1998.nthe.14.

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Nonlinear directional couplers have attracted considerable attention because of their potential applications in all-optical switching (see, for example, Refs.1 and 2, and references therein). The conventional way of analyzing pulse switching in an evanescent-field nonlinear coupler is based on solving the linearly coupled nonlinear Schrödinger equations.1,2 Recently, it has been found that these equations are valid only when the dispersion properties of the coupling coefficient can be ignored.3,4 In many practical situations, however, the coupling-coefficient dispersion can be important and must be included in the analysis.3,4 It has been shown, both theoretically3-5 and experimentally,6 that a dispersive coupling coefficient can cause pulse distortion, or even pulse breakup. In this paper, using a two-core fiber as an example, we first identify the situations under which the coupling-coefficient dispersion is important, and then demonstrate how the coupling-coefficient dispersion affects the switching dynamics of short pulses in a nonlinear coupler.
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Cheng, Yuehua, and Weigan Lin. "New block structure for fabricating a fiber-optic half-coupler." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.wh8.

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Many in-line fiber-optic passive components have been fabricated on the basis of the polished fiber-optic half-coupler: fiber-optic couplers, filters, resonators, polarizers, and electrooptical switches. Apparently, how to obtain a high-quality fiber-optic half-coupler is an important subject. To improve the quality of polished surface on the fiber-optic half-coupler, we invented a new block structure.1
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Dankesreiter, Benjamin T., and Chang Dong Yeo. "Simulation of Rough Electrodes Coupled with Structural Dynamics." In 2023 IEEE 68th Holm Conference on Electrical Contacts (HOLM). IEEE, 2023. http://dx.doi.org/10.1109/holm56075.2023.10352249.

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Reports on the topic "HOM couplers"

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Zhao Y. and H. Hahn. HOM Coupler Measurement and Simulation. Office of Scientific and Technical Information (OSTI), August 2004. http://dx.doi.org/10.2172/1061753.

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Xiao, L., Z. Li, and K. Ko. HOM/LOM Coupler Study for the ILC Crab Cavity. Office of Scientific and Technical Information (OSTI), April 2007. http://dx.doi.org/10.2172/902484.

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Schubert, Henrik-Alexander, Vegard Skirbekk, and Jessica Nisén. Secularization and low fertility: how declining church membership changes couples and their childbearing. Rostock: Max Planck Institute for Demographic Research, November 2024. http://dx.doi.org/10.4054/mpidr-wp-2024-040.

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Henry, David, Darryl Holm, and Rossen Ivanov. On the Persistence Properties of the Cross-Coupled Camassa-Holm System. Jgsp, 2013. http://dx.doi.org/10.7546/jgsp-32-2013-1-13.

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Klaiber, H. Allen, Joshua Abbott, and V. Kerry Smith. Some Like it (Less) Hot: Extracting Tradeoff Measures for Physically Coupled Amenities. Cambridge, MA: National Bureau of Economic Research, March 2015. http://dx.doi.org/10.3386/w21051.

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Payne, Krista, and Wendy Manning. Recent Marriages to Same-sex and Different-sex Couples: Mobility, Region, Home Ownership, and Household Income. National Center for Family and Marriage Research, August 2021. http://dx.doi.org/10.25035/ncfmr/fp-21-20.

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Although approximately half of all marriages in the U.S. end in divorce (Amato, 2010; Cherlin, 2010), the remarriage rate has declined steadily in recent decades (Brown & Lin, 2013; Schweizer, 2019). In this profile, we examine the trend in the remarriage rate since 1990 (see Note) and investigate geographic variation in the remarriage rate by gender using recent American Community Survey (ACS) data. This profile is an update of a previous profile on the Geographic Variation in the Remarriage Rate (FP-15-08).
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Westrick-Payne, Krista, and Wendy Manning. Recent Marriages to Same-Sex and Different-Sex Couples: Mobility, Region, Home Ownership, and Household Income, 2022. National Center for Family and Marriage Research, 2023. http://dx.doi.org/10.25035/ncfmr/fp-23-28.

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Vegendla, Prasad, Justin Thomas, and Thomas Fanning. Thermal-Hydraulics Modeling and Simulations of Hot Pool Using the SAS-CFD Coupled Code. Office of Scientific and Technical Information (OSTI), January 2022. http://dx.doi.org/10.2172/1875250.

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Fostik, Ana. Uncertainty and Postponement: Pandemic Impact on Fertility in Canada. The Vanier Institute of the Family, 2020. http://dx.doi.org/10.61959/spaz1848e.

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In the first weeks after the public health measures and economic lockdowns began in response to the COVID-19 pandemic, the social life of millions of adults was suddenly halted and many started spending every day at home. This led some to wonder about whether, in about nine months, we would see a spike in births. Could there be a “Coronial” generation, a baby boom due to couples spending more time together?1 Although many couples have been spending more time together, they have also been experiencing a variety of challenges and difficult transitions never experienced by our current generations: the health care system was heavily impacted by the pandemic, children were suddenly out of daycare or school and in need of homeschooling, some adults needed to work from home while caring for young children in the household, and many others had difficulty with their family finances, as they found themselves unemployed, working fewer hours or making less income.
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Breton, Laurence, and Margo Hilbrecht. The Rights of Common-Law Partners in Canada. The Vanier Institute of the Family, November 2023. http://dx.doi.org/10.61959/t210318a.

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This report provides an in-depth look at the legal landscape surrounding common-law partnerships in Canada. The recognition and rights afforded to people in common-law relationships depend primarily upon the provincial or territorial jurisdiction. An array of scenarios such as health care decisions, property division upon separation, spousal support claims, inheritance rights, and special considerations for couples living on reserve contribute to the intricate tapestry of legal rights in these relationships. A closer look at the provincial and territorial processes of establishing health care decision-making authority emphasizes that certain jurisdictions do not automatically recognize common-law partners to the same extent as married ones. Moreover, property division rights are absent in several jurisdictions following separation, amounting to different treatment of common-law and married couples. Interestingly, the availability of spousal support post-separation, as well as the guidelines followed by the judges allocating them, are shared by most jurisdictions, with the exception of Quebec. Intestate (without a will) inheritance rights vary considerably, with some regions excluding common-law partners from automatic inheritance. A notable exception arises for couples living under the jurisdiction of the Family Homes on Reserves and Matrimonial Interests or Rights Act (FHRMIRA), highlighting the interactions of federal and regional laws. After highlighting how the rights of common-law partners differ across Canada, this report concludes by raising some of the important dimensions of the current debates on safeguarding the rights of common-law couples.
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