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Optics for EUv, X-Ray, and Gamma-Ray Astronomy IX 2019

作者： Bavdaz, Marcos Wille, Eric Ayre, Mark Ferreira, Ivo Shortt, Brian Fransen, Sebastiaan Collon, Maximilien J. vacanti, Giuseppe Barrière, Nicolas Landgraf, Boris Start, Ronald van Baren, Coen Della Monica Ferreira, Desiree Massahi, Sonny Christensen, Finn Krumrey, Michael Burwitz, vadim Pareschi, Giovanni valsecchi, Giuseppe Oliver, Paul Seidel, André Korhonen, Tapio European Space Agency ESTEC Keplerlaan 1 PO Box 299 AG NoordwijkNL-2200 Netherlands Cosine Oosteinde 36 HE WarmondNL-2361 Netherlands Micronit Microfluidics B.V. Colosseum 15 PV EnschedeNL-7521 Netherlands SRON Sorbonnelaan 2 CA UtrechtNL-3584 Netherlands DTU Space Elektrovej 328 Kgs Lyngby2800 Denmark Abbestr. 2-12 BerlinD-10587 Germany MPI für Extraterrestrische Physik Giessenbachstrasse GarchingD-85748 Germany I-23807 Italy I-23842 Italy Teledyne Imaging 106 Waterhouse Lane Chelmsford EssexCM1 2QU United Kingdom Fraunhofer Institute for Material and Beam Technology Winterbergstrasse 28 DresdenD-01277 Germany Opteon Oy Väisäläntie 20 PiikkiöFI-21500 Finland

ISBN: (数字)9781510629325

ISBN: (纸本)9781510629318

Mission studies and technology preparation for the ATHENA (Advanced Telescope for High ENergy Astrophysics) [1- 5] mission are continuing to progress. The X-ray optics of this future space observatory are based on the Silicon Pore Optics (SPO) technology [6-58], and is being evolved in a joint effort by industry, research institutions and ESA. The SPO technology benefits from substantial investments made by the semiconductor industry, and spins-in materials, processes and equipment into the development of novel X-ray optics. A comprehensive Technology Development Plan (TDP) is being implemented, funded by ESA and involving a large number of experts in key areas ranging from micro machining of Silicon, over sophisticated automation and robotic systems, to hybrid manufacturing. The performance, environmental compatibility and serial automated production and testing are being addressed in parallel, aiming at the demonstration of the required technology readiness for the ATHENA Mission Adoption Review (MAR) expected by the end of 2021. A formal Technology Readiness Assessment is in place and is being currently exercised in preparation of the ATHENA Mission Formulation review (MFR). The programmatics for the flight model implementation is being defined in detail, and preparations are starting for the design and implementation of the necessary facilities. An overview of the ATHENA optics technology preparation, the technology readiness assessment and the related activities is provided. © 2019 SPIE.

关键词： Silicon

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Terrestrial very-Long-Baseline Atom Interferometry: Workshop Summary

arXiv

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arXiv 2023年

作者： Abend, Sven Allard, Baptiste Alonso, Iván Antoniadis, John Araújo, Henrique Arduini, Gianluigi Arnold, Aidan S. Aßmann, Tobias Augst, Nadja Badurina, Leonardo Balaž, Antun Banks, Hannah Barone, Michele Barsanti, Michele Bassi, Angelo Battelier, Baptiste Baynham, Charles F.A. Beaufils, Quentin Belić, Aleksandar Beniwal, Ankit Bernabeu, Jose Bertinelli, Francesco Bertoldi, Andrea Biswas, Ikbal Ahamed Blas, Diego Boegel, Patrick Bogojević, Aleksandar Böhm, Jonas Böhringer, Samuel Bongs, Kai Bouyer, Philippe Brand, Christian Brimis, Apostolos Buchmueller, Oliver Cacciapuoti, Luigi Calatroni, Sergio Canuel, Benjamin Caprini, Chiara Caramete, Ana Caramete, Laurentiu Carlesso, Matteo Carlton, John Casariego, Mateo Charmandaris, vassilis Chen, Yu-Ao Chiofalo, Maria Luisa Cimbri, Alessia Coleman, Jonathon Constantin, Florin Lucian Contaldi, Carlo R. Cui, Yanou Ros, Elisa Da Davies, Gavin del Pino Rosendo, Esther Deppner, Christian Derevianko, Andrei de Rham, Claudia De Roeck, Albert Derr, Daniel Pumpo, Fabio Di Djordjevic, Goran S. Döbrich, Babette Domokos, Peter Dornan, Peter Doser, Michael Drougakis, Giannis Dunningham, Jacob Duspayev, Alisher Easo, Sajan Eby, Joshua Efremov, Maxim Ekelof, Tord Elertas, Gedminas Ellis, John Evans, David Fadeev, Pavel Fanì, Mattia Fassi, Farida Fattori, Marco Fayet, Pierre Felea, Daniel Feng, Jie Friedrich, Alexander Fuchs, Elina Gaaloul, Naceur Gao, Dongfeng Gardner, Susan Garraway, Barry Gauguet, Alexandre Gerlach, Sandra Gersemann, Matthias Gibson, valerie Giese, Enno Giudice, Gian F. Glasbrenner, Eric P. Gündogan, Mustafa Haehnelt, Martin Hakulinen, Timo Hammerer, Klemens Hanımeli, Ekim T. Harte, Tiffany Hawkins, Leonie Hees, Aurelien Heise, Jaret Henderson, victoria A. Herrmann, Sven Hird, Thomas M. Hogan, Jason M. Holst, Bodil Holynski, Michael Hussain, Kamran Janson, Gregor Jeglič, Peter Jelezko, Fedor Kagan, Michael Kalliokoski, Matti Kasevich, Mark Kehagias, Alex Kilian, Eva Koley, Soumen Konrad, Bernd Kopp, Joachim Kornakov, Georgy Kovachy, Tim Krutzik, Markus Kumar, Mukesh Kum Leibniz Universität Hannover Welfengarten 1 Hannover30167 Germany Laboratoire Collisions Agrégats Réactivité CNRS Université Toulouse III - Paul Sabatier Toulouse France Department of Industrial Engineering Higher Polytechnic School University of the Balearic Islands Palma de Mallorca Spain IFORTH Institute of Astrophysics N. Plastira 100 Heraklion70013 Greece Physics Department Imperial College Prince Consort Road LondonSW7 2AZ United Kingdom CERN Geneva 23CH-1211 Switzerland SUPA Department of Physics University of Strathclyde GlasgowG4 0NG United Kingdom Universität Ulm Albert-Einstein-Allee 11 Ulm89081 Germany Institut für Quantentechnologien Wilhelm-Runge-Straße 10 Ulm89081 Germany Physics Department King’s College London LondonWC2R 2LS United Kingdom Walter Burke Institute for Theoretical Physics California Institute of Technology PasadenaCA91125 United States Institute of Physics Belgrade University of Belgrade Pregrevica 118 Belgrade11080 Serbia DAMTP University of Cambridge Wilberforce Road CambridgeCB3 0WA United Kingdom Institute of Nuclear and Particle Physics NCSR Demokritos Agia Paraskevi15310 Greece Department of Civil and Industrial Engineering University of Pisa Largo Lucio Lazzarino Pisa56122 Italy Department of Physics University of Trieste Strada Costiera 11 Trieste34151 Italy Istituto Nazionale di Fisica Nucleare Trieste Section Via Valerio 2 Trieste34127 Italy LP2N Laboratoire Photonique Numérique et Nanosciences Université Bordeaux IOGS CNRS UMR 5298 1 rue François Mitterrand Talence33400 France SYRTE Observatoire de Paris Université PSL CNRS Sorbonne Université LNE 61 avenue de l’Observatoire Paris75014 France Department of Theoretical Physics University of Valencia BurjassotE-46100 Spain Department of Physics Indian Institute of Technology Delhi Hauz Khas New Delhi110016 India Grup de Física Teòrica Departament de Física Universitat Autònoma de Barcelona Bellaterra Barcelona08193

This document presents a summary of the 2023 Terrestrial very-Long-Baseline Atom Interferometry Workshop hosted by CERN. The workshop brought together experts from around the world to discuss the exciting developments in large-scale atom interferometer (AI) prototypes and their potential for detecting ultralight dark matter and gravitational waves. The primary objective of the workshop was to lay the groundwork for an international TvLBAI proto-collaboration. This collaboration aims to unite researchers from different institutions to strategize and secure funding for terrestrial large-scale AI projects. The ultimate goal is to create a roadmap detailing the design and technology choices for one or more km-scale detectors, which will be operational in the mid-2030s. The key sections of this report present the physics case and technical challenges, together with a comprehensive overview of the discussions at the workshop together with the main conclusions. Copyright © 2023, The Authors. All rights reserved.

关键词： Interferometry

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Theory, observation and ultrafast response of novel hybrid Anapole states

arXiv

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arXiv 2020年

作者： valero, Adrià Canós Gurvitz, Egor A. Benimetskiy, Fedor A. Pidgayko, Dmitry A. Samusev, Anton Evlyukhin, Andrey B. Redka, Dmitrii Tribelsky, Michael I. Rahmani, Mohsen Kamali, Khosro Zangeneh Pavlov, Alexander A. Miroshnichenko, Andrey E. Shalin, Alexander S. ITMO University Kronverksky prospect 49 St. Petersburg197101 Russia Moscow Institute of Physics and Technology 9 Institutsky Lane Dolgoprudny141700 Russia 5 Prof. Popova Street Saint Petersburg197376 Russia Faculty of Physics M. V. Lomonosov Moscow State University Moscow119991 Russia National Research Nuclear University Moscow Engineering Physics Institute Moscow115409 Russia RITS Yamaguchi University Yamaguchi753-8511 Japan Advanced Optics and Photonics Laboratory Department of Engineering School of Science and Technology Nottingham Trent University NottinghamNG11 8NS United Kingdom 1ARC Centre of Excellence for Transformative Meta-Optical Systems Research School of Physics Australian National University CanberraACT2601 Australia Nagatinskaya street house 16A building 11 Moscow Russia School of Engineering and Information Technology UNSW CanberraACT2600 Australia Ulyanovsk State University Lev Tolstoy Street 42 Ulyanovsk432017 Russia

Modern nanophotonics has witnessed the rise of "electric anapoles", destructive interferences of electric dipoles and toroidal electric dipoles, actively exploited to cancel electric dipole radiation from nanoresonators. However, the inherent duality of Maxwell’s equations suggests the intriguing possibility of "magnetic anapoles", involving a nonradiating composition of a magnetic dipole and a magnetic toroidal dipole. Here, we predict, fabricate and observe experimentally via a series of dark field spectroscopy measurements a hybrid anapole of mixed electric and magnetic character, with all the dominant multipoles being suppressed by the toroidal terms in a nanocylinder. We delve into the physics of such exotic current configurations in the stationary and transient regimes and predict a number of ultrafast phenomena taking place within sub-ps times after the breakdown of the hybrid anapole. Based on the preceding theory, we design a non-Huygens metasurface featuring a dual functionality: perfect transparency in the stationary regime and controllable ultrashort pulse beatings in the transient. Copyright © 2020, The Authors. All rights reserved.

关键词： Magnetism

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基于分集接收技术的可见光接收机前端电路

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天津大学学报（自然科学与工程技术版） 2020年第10期53卷 1062-1068页

作者：谢生王续霏毛旭瑞周高磊闫冬天津大学微电子学院天津市成像与感知微电子技术重点实验室天津300072 中国科学院半导体研究所北京100083 天津大学电气自动化与信息工程学院天津300072

为了减弱噪声对可见光通信质量的影响,提高可见光通信系统的抗干扰性,基于台积电180 nm CMOS工艺,提出了一种抗噪能力较强的可见光接收机前端电路.电路主要包括跨阻放大器、限幅放大器、直流偏移消除网络和输出缓冲级.输入端对信号进行... 详细信息

为了减弱噪声对可见光通信质量的影响,提高可见光通信系统的抗干扰性,基于台积电180 nm CMOS工艺,提出了一种抗噪能力较强的可见光接收机前端电路.电路主要包括跨阻放大器、限幅放大器、直流偏移消除网络和输出缓冲级.输入端对信号进行两路接收,通过印制电路板绘制把外部两个光电二极管相连,对接收到的光电流信号进行等增益合并,合并信号作为输入信号提供给光接收机模拟放大电路,这种设计实现了分集接收技术,提高了光通信系统的信噪比.跨阻放大器采用调节型共源共栅结构,共源结构作为反馈环路,降低芯片的输入阻抗,共漏结构提高了跨阻放大器的带负载能力.限幅放大器采用改进Cherry Hooper型限幅放大器结构,引入反馈电阻降低级间等效电阻,扩展有效带宽,并通过增加负载电阻为支路提供偏置电流,有效提高了电路的输出范围.测试结果表明,在电源电压为1.8 v、光电探测器等效电容为5 pF时,光接收机的跨阻增益为88 dBΩ,-3 dB带宽为510 MHz,在误码率小于3.8×10-3的条件下实现了600 Mb/s的数据传输.芯片功耗为43.62 mW,整体面积为624μm×823μm,当误码率为10-9时,基于分集接收的光接收机的灵敏度为-11.5 dBm.对比实验表明,分集接收技术降低了可见光通信的误码率,提高了通信质量,因此基于分集接收技术的光接收机有望应用于室内可见光通信系统领域.

关键词：半导体技术可见光通信光接收机分集接收

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Graded band-gap engineering for increased efficiency in CZTS solar cells

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optical MATERIALS 2018年 76卷 393-399页

作者： Ferhati, H. Djeffal, F. Univ Mostefa Benboulaid Batna 2 Dept Elect LEA Batna 05000 Algeria Univ Batna 1 LEPCM Batna 05000 Algeria

In this paper, we propose a potential high efficiency Cu2ZnSn(S,Se)(4)/CdS (CZTS) solar cell design based on graded band-gap engineering that can offer the benefits of improved absorption behavior and reduced recombination effects. Moreover, a new hybrid approach based on analytical modeling and Particle Swarm Optimization (PSO) is proposed to determinate the optimal band-gap profile of the amended CZTS absorber layer to achieve further efficiency enhancement. It is found that the proposed design exhibits superior performance, where a high efficiency of 16.9% is recorded for the optimized solar cell with a relative improvement of 92%, compared with the reference cell efficiency of 8.8%. Likewise, the optimized CZTS solar cell with a graded band-gap enables achieving a higher open circuit voltage of 889 mv, a short-circuit current of 28.5 mA and a fill factor of 66%. Therefore, the optimized CZTS-based solar cell with graded-band gap paradigm pinpoints a new path toward recording high-efficiency thin-film solar cells through enhancing carrier collection and reducing the recombination rate. (C) 2018 Elsevier B.v. All rights reserved.

关键词： Graded band-gap CZTS Photoelectric Efficiency Optimization Solar cell

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design and development of a cost-effective LiDAR system for transportation

Design and development of a cost-effective LiDAR system for ...

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ASME 2019 International Mechanical engineering Congress and Exposition, IMECE 2019

作者： Wiklund, Theodore Heim, Mark Halberstadt, Jaret Duncan, Michael Mittman, Deven DeAgostino, Thomas Depcik, Christopher University of Kansas LawrenceKS United States

ISBN: (纸本)9780791883501

Light Imaging Detection and Ranging (LIDAR) cameras and Light Detecting and Ranging (LiDAR) rangefinders were initially implemented in the 1960s as a higher-resolution and increased capability alternative to radar. Since then, LIDAR and LiDAR (hereto called lidar) have expanded into applications in aerial geographical surveying and collision-detection systems for autonomous vehicles. current commercial systems are relatively expensive and potentially oversized for noncommercial applications. Consequently, this deters their use on consumer products like bicycles, where lidar systems can enable safety advancements that are necessary to counter the rising numbers of hazards affecting riders. In addition, widespread usage of inexpensive lidar systems can facilitate a more complete picture of our transportation infrastructure by delivering information (e.g., pavement quality) suited for U.S. Department of Transportation Highway Performance Monitoring System (HPMS) reports. This will aid in the creation of a safer infrastructure by highlighting critical areas in need of improvement and repair. As a result, this effort outlines the development of a compact and cost-effective lidar system. The constructed system includes the ability to generate a static image by collecting several hundred thousand distance signals measured by a lidar rangefinder. Since the rangefinder has no self-contained rotation or translation systems, an Arduino Mega 2560 v3 microcontroller operates a pair of stepper motors that adjusts its azimuthal angle and pitch. Coalescing these signals into an ASCII text file for viewing in MATLAB results in a reasonably accurate picture of the surroundings. While the current system takes 1-2 hours to complete a full sweep, it has the potential to provide sufficient accuracy for HPMS reports at a moderate expenditure: the entire system costs less than $300. Finally, upgrading to a more powerful microprocessor, implementing slip rings for enhanced electrical connec

关键词： optical radar

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Review on the design and optimization of natural gas liquefaction processes for onshore and offshore applications

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CHEMICAL engineering RESEARCH & design 2018年 132卷 89-114页

作者： He, Tianbiao Karimi, Iftekhar A. Ju, Yonglin Natl Univ Singapore Dept Chem & Biomol Engn 4 Engn Dr 4 Singapore 117585 Singapore Shanghai Jiao Tbng Univ Inst Refrigerat & Cryogen Shanghai 200240 Peoples R China

Liquefied natural gas (LNG) has been the fastest increasing fossil fuel in the world energy market due to its low carbon dioxide emission, high energy density, and ease of transport. However, the liquefaction of natural gas is one of the most energy-intensive industrial processes. Thus, it is very important to design new liquefaction processes and optimize the existing ones in order to reduce the energy consumption. In this paper, we present a state-of-the-art review of the recent progress on the design and optimization of NG liquefaction processes for onshore and offshore applications. The current onshore processes include the cascade, mixed refrigerant, and expander-based processes, of which the mixed refrigerant process has received the most attention. The common objective function of the onshore LNG process optimization is the minimization of the energy consumption. However, for the offshore applications, the single mixed refrigerant and nitrogen expansion processes have been considered to be the promising options. For these, deck space and sensitivity to platform waving need be considered apart from energy consumption. Finally, we propose several potential developments for NG liquefaction process design and optimization. (C) 2018 Institution of Chemical Engineers. Published by Elsevier B.v. All rights reserved.

关键词： LNG Natural gas liquefaction process LNG-FPSO Optimization Review

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Developing of EOS Model with Elliptical Beams for THz Devices

Developing of EOS Model with Elliptical Beams for THz Device...

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2018 International Conference on Actual Problems of Electron Devices engineering, APEDE 2018

作者： Navrotsky, I.A. Burtsev, A.A. Danilushkin, A.v. Karetnikova, T.A. Ryskin, N.M. Shumikhin, K.v. JSC SPE Almaz Saratov Russia Saratov Branch of Kotelnikov Institute of Radioengineering and Electronics of RAS Russia

ISBN: (纸本)9781538643327

This report presents a design of an electron-optical system (EOS) with triple electron elliptical beams. A current of each beam is 31 mA and a dimension is 300×600 μm2. A magnetic field of 0,55 T is used for focusing of electron beams. A technology of fabrication and assembly of a model of EOS that contains a dispenser cathode, anode, collector and magnetic system is presented. In the course of experimental investigation of a model in impulse mode total current of 93 mA was obtained at cathode temperature of 1100°C and grid potential 900-1000 v. The realized design of a model with elliptical beams demonstrates the feasibility of creating of THz TWT on the basis of a similar EOS. © 2018 IEEE.

关键词： optical systems

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Single-nanowire spectrometers

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SCIENCE 2019年第6457期365卷 1017-+页

作者： Yang, Zongyin Albrow-Owen, Tom Cui, Hanxiao Alexander-Webber, Jack Gu, Fuxing Wang, Xiaomu Wu, Tien-Chun Zhuge, Minghua Williams, Calun Wang, Pan Zayats, Anatoly v. Cai, Weiwei Dais, Lun Hofmann, Stephan Overend, Mauro Tong, Limin Yang, Qing Sun, Zhipei Hasan, Tawfique Univ Cambridge Cambridge Graphene Ctr Cambridge CB3 0FA England Univ Cambridge Dept Engn Cambridge CB3 0FA England Univ Shanghai Sci & Technol Shanghai Key Lab Modern Opt Syst Shanghai 200093 Peoples R China Nanjing Univ Sch Elect Sci & Engn Nanjing 210023 Jiangsu Peoples R China Zhejiang Univ Coll Opt Sci & Engn State Key Lab Modern Opt Instrumentat Hangzhou 310027 Zhejiang Peoples R China Kings Coll London Dept Phys London WC2R 2LS England Kings Coll London London Ctr Nanotechnol London WC2R 2LS England Shanghai Jiao Tong Univ Sch Mech Engn Educ Minist Power Machinery & Engn Key Lab Shanghai 200240 Peoples R China Peking Univ Sch Phys State Key Lab Artificial Microstruct & Mesoscop P Beijing 100871 Peoples R China Aalto Univ Dept Elect & Nanoengn Tietotie 3 FI-00076 Espoo Finland Aalto Univ Dept Appl Phys QTF Ctr Excellence FI-00076 Espoo Finland

Spectrometers with ever-smaller footprints are sought after for a wide range of applications in which minimized size and weight are paramount, including emerging in situ characterization techniques. We report on an ultracompact microspectrometer design based on a single compositionally engineered nanowire. This platform is independent of the complex optical components or cavities that tend to constrain further miniaturization of current systems. We show that incident spectra can be computationally reconstructed from the different spectral response functions and measured photocurrents along the length of the nanowire. Our devices are capable of accurate, visible-range monochromatic and broadband light reconstruction, as well as spectral imaging from centimeter-scale focal planes down to lensless, single-cell-scale in situ mapping.

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Electron transport within the wurtzite and zinc-blende phases of gallium nitride and indium nitride

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JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS 2018年第5期29卷 3511-3567页

作者： Siddiqua, Poppy O'Leary, Stephen K. Univ British Columbia Sch Engn EME 42791137 Alumni Ave Kelowna BC V1V 1V7 Canada

Wide energy gap semiconductors are broadly recognized as promising materials for novel electronic and opto-electronic device applications. As informed device design requires a firm grasp on the material properties of the underlying electronic materials, the electron transport that occurs within the wide energy gap semiconductors has been the focus of considerable study over the years. In an effort to provide some perspective on this rapidly evolving and burgeoning field of research, we review analyzes of the electron transport within some wide energy gap semiconductors of current interest in this paper. In order to narrow the scope of this review, we will primarily focus on the electron transport that occurs within the wurtzite and zinc-blende phases of gallium nitride and indium nitride in this review, these materials being of great current interest to the wide energy gap semiconductor community;indium nitride, while not a wide energy gap semiconductor in of itself, is included as it is often alloyed with other wide energy gap semiconductors, the resultant alloy often being a wide energy gap semiconductor itself. The electron transport that occurs within zinc-blende gallium arsenide will also be considered, albeit primarily for bench-marking purposes. Most of our discussion will focus on results obtained from our ensemble semi-classical three-valley Monte Carlo simulations of the electron transport within these materials, our results conforming with state-of-the-art wide energy gap semiconductor orthodoxy. A brief tutorial on the Monte Carlo electron transport simulation approach, this approach being used to generate the results presented herein, will also be provided. Steady-state and transient electron transport results are presented. The evolution of the field, a survey of the current literature, and some applications for the results presented herein, will also be featured. We conclude our review by presenting some recent developments on the electron transport w

关键词： Energy gap

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