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A Moving-Trap Zeeman Decelerator [article]

Lewis A. McArd and Arin Mizouri and Paul A. Walker and Vijay Singh and Ulrich Krohn and Ed A. Hinds and David Carty
2018 arXiv   pre-print
The design is based on that of Trimeche et al. with significant modifications.  ...  In proof-of-principle experiments, with the deceleration coils operating with a reduced current in the range 100-200 A, we demonstrate the 3D guiding of a beam of metastable argon atoms at 373 m/s and  ...  We also thank Barry Moss for his assistance with the design of the power electronics. This work was supported by the EPSRC under the Programme Grant EP/I012044/1.  ... 
arXiv:1807.10648v1 fatcat:ntys75c7hfbxjpvntfnbgvtl2e

Single microwave-photon detector using an artificial Λ-type three-level system [article]

Kunihiro Inomata, Zhirong Lin, Kazuki Koshino, William D. Oliver, Jaw-Shen Tsai, Tsuyoshi Yamamoto, Yasunobu Nakamura
2016 arXiv   pre-print
We attain a single-photon detection efficiency of 0.66 ± 0.06 with a reset time of ∼ 400 ns.  ...  The detector is implemented with an "impedance-matched" artificial Λ system comprising the dressed states of a driven superconducting qubit coupled to a microwave resonator.  ...  It uses coherent quantum dynamics, which minimizes energy dissipation upon detection and allows for rapid resetting with a resonant drive, in contrast to schemes that involve switching from metastable  ... 
arXiv:1601.05513v1 fatcat:7pmvpt4prjhtnjylb3rpnhl2ny

Advances in copper laser technology: kinetic enhancement

M WITHFORD
2004 Progress in Quantum Electronics  
These devices offer dramatic improvements in power (both average and high beam quality) and repetition rate scalability.  ...  In 1996 a new subclass of CVL, termed a kinetically enhanced or KE-CVL, was developed that used a ternary gas mixture (HCl-H 2 -Ne) to tailor the kinetic processes that limit laser performance.  ...  The 25 mm diameter CVL was excited using a thyratron switched, pulse-charging capacitance transfer circuit.  ... 
doi:10.1016/j.pquantelec.2003.12.001 fatcat:vdj7uvnqgrdznciyievag4b2eq

Superconducting Metamaterials [article]

N. Lazarides, G. P. Tsironis
2017 arXiv   pre-print
We then dwell into the truly quantum regime and explore the interaction of electromagnetic pulses with superconducting qubits where the coupling between the two yields self-induced transparency and superradiance  ...  The additional use of the Josephson effect and SQUID configurations produce further specificity and functionality.  ...  The level of synchronization and metastability of chimera states can be quantified using measures of local and global synchronization, 265, 271, 160 , measures of metastability 265, 271, 131 , the  ... 
arXiv:1712.01323v1 fatcat:7m6pyeig4bgbdkbjt4aimdt4eq

Sequential Photodamage Driven by Chaotic Systems in NiO Thin Films and Fluorescent Human Cells

Hilario Martines-Arano, Mónica Araceli Vidales-Hurtado, Samara Palacios-Barreto, Martín Trejo-Valdez, Blanca Estela García-Pérez, Carlos Torres-Torres
2020 Processes  
A synchronous bistable logic circuit was analyzed for switching optical signals in a laser-processing technique.  ...  A laser ablation process assisted by the feedback of a sensor with chaotic electronic modulation is reported.  ...  Acknowledgments: The authors kindly acknowledge the financial support from the Instituto Politécnico Nacional, COFAA-IPN, and Consejo Nacional de Ciencia y Tecnología.  ... 
doi:10.3390/pr8111377 fatcat:at46zfhmfrdm5gm6ip4ghp76me

Multistage Zeeman decelerator for molecular-scattering studies

Theo Cremers, Simon Chefdeville, Niek Janssen, Edwin Sweers, Sven Koot, Peter Claus, Sebastiaan Y. T. van de Meerakker
2017 Physical Review A  
The performance of the decelerator in acceleration, deceleration and guiding modes is characterized using beams of metastable Helium (^3S) atoms.  ...  The Zeeman decelerator demonstrated here is mechanically easy to build, can be operated with cost-effective electronics, and can run at repetition rates up to 10 Hz  ...  The magnets used in this experiment are based on NdFeB (grade N42SH) with a remanence of approximately 450 mT.  ... 
doi:10.1103/physreva.95.043415 fatcat:4vuea6yxhndbngsp2hmddzjb6y

Design of a reference voltage buffer for a 10-bit 50 MS/s SAR ADC in 65 nm CMOS

Prakash Harikumar, J Jacob Wikner
2015 2015 IEEE International Symposium on Circuits and Systems (ISCAS)  
Since the signal frequencies in these distributed WSNs are often low, ultra-low-power ADCs with low sampling rates are required.  ...  The advent of new wireless standards with ever-increasing data rates and bandwidth necessitates ADCs capable of meeting the demands.  ...  The use of pipelined SAR ADCs with dynamic residue amplification for high-resolution, low-sampling rate applications can also be investigated. 5- 8 8 Impact of CMFF on the CM gain of a pseudo-differential  ... 
doi:10.1109/iscas.2015.7168617 dblp:conf/iscas/HarikumarW15 fatcat:vedlais3pfdh3j3liiohu73lxy

DCMCS: Highly Robust Low-Power Differential Current-Mode Clocking and Synthesis

Riadul Islam, Hany A. Fahmy, Ping Y. Lin, Matthew R. Guthaus
2018 IEEE Transactions on Very Large Scale Integration (vlsi) Systems  
However, the dynamic power of the CM FFs increases proportionally to the frequency at a slower rate than the VM FFs as shown in the bottom two rows of the Table I . B.  ...  After the two-stage amplification, a buffer provides the required drive to generate a full-swing local clock pulse (CLKP) that activates the output stage.  ... 
doi:10.1109/tvlsi.2018.2837681 fatcat:j6cbf2e5abdejksddxh3aoqb4a

SwissFEL: The Swiss X-ray Free Electron Laser

Christopher Milne, Thomas Schietinger, Masamitsu Aiba, Arturo Alarcon, Jürgen Alex, Alexander Anghel, Vladimir Arsov, Carl Beard, Paul Beaud, Simona Bettoni, Markus Bopp, Helge Brands (+103 others)
2017 Applied Sciences  
Based on the de-tuned S-band (2.9988 GHz), the de-tuned X-band (11.9952 GHz) and the C-band (5.712 GHz) frequency, a reasonably high base frequency could still be found (142.8 MHz) , which needs to be  ...  Pulse Picker SwissFEL operates at a repetition rate of 100 Hz. For some experiments it is desirable to have only half or quarter of the base repetition rate or even any arbitrary pulse pattern.  ... 
doi:10.3390/app7070720 fatcat:3m5sdv4xajb5rlyzcnznhadl4e

Application of the Josephson effect in electrical metrology

B. Jeanneret, S. P. Benz
2009 The European Physical Journal Special Topics  
The physics of the Josephson effect will be presented and the importance of quantum-based electrical standards will be discussed.  ...  Over the last 30 years, metrology laboratories have used the quantum behavior of the Josephson effect to greatly improve voltage metrology.  ...  The dynamics of such a junction is often investigated by the so called resistively and capacitively shunted junction (RCSJ) model [23, 24] .  ... 
doi:10.1140/epjst/e2009-01050-6 fatcat:4zujtawrdjchlbzryqcwoi3kj4

All-digital TX frequency synthesizer and discrete-time receiver for Bluetooth radio in 130-nm CMOS

R.B. Staszewski, K. Muhammad, D. Leipold, Chih-Ming Hung, Yo-Chuol Ho, J.L. Wallberg, C. Fernando, K. Maggio, R. Staszewski, T. Jung, Jinseok Koh, S. John (+9 others)
2004 IEEE Journal of Solid-State Circuits  
The conventional RF frequency synthesizer architecture, based on the voltage-controlled oscillator and the phase/frequency detector and charge-pump combination, has been replaced with a digitally controlled  ...  The receiver employs a discrete-time architecture in which the RF signal is directly sampled and processed using analog and digital signal processing techniques.  ...  Critical high-speed arithmetic operations are performed in analog domain through capacitative additions inside the DCO. Fig. 5 . 5 Synchronous phase-domain all-digital PLL-based transmitter.  ... 
doi:10.1109/jssc.2004.836345 fatcat:vs2iojnjxjgwzplw3klq3byeke

2018 IndexIEEE Transactions on Plasma ScienceVol. 46

2018 IEEE Transactions on Plasma Science  
., +, TPS Oct. 2018 3348-3358 Particle beams Measurement uncertainty Combined Measuring Uncertainty of Capacitive Divider With Concen- trated Capacitance on High-Voltage Scale.  ...  Jiang, H., +, TPS Oct. 2018 3524-3530 Capacitive sensors Combined Measuring Uncertainty of Capacitive Divider With Concen- trated Capacitance on High-Voltage Scale.  ... 
doi:10.1109/tps.2019.2891845 fatcat:pit754xelzhxlohtqoaxczpu3q

X-ray analog pixel array detector for single synchrotron bunch time-resolved imaging

Lucas J. Koerner, Sol M. Gruner
2010 Journal of Synchrotron Radiation  
Dynamic x-ray studies may reach temporal resolutions limited by only the x-ray pulse duration if the detector is fast enough to segregate pulses.  ...  Single shot intensity measurements were made with a repeatability of 0.4%-almost entirely limited by Poisson statistics.  ...  For these experiments, the time coordinate was set by the delay between a laser pulse that initiates the dynamics and a single x-ray pulse probe to measure the dynamics.  ... 
doi:10.1107/s090904951004104x pmid:21335901 pmcid:PMC3042326 fatcat:ovzqdoltz5ej5jxjrglex2qizi

Advanced Photonic and Electronic Systems WILGA 2017

Ryszard S. Romaniuk
2017 International Journal of Electronics and Telecommunications  
Dew point hygrometer was researched using capacitance based interdigital structures and manufactured by multilayer ink jet printing (ISE WUT).  ...  Accredited measurement procedures are used. Jagiellonian PET was equipped with FPGA based real time tomographic data analysis system.  ... 
doi:10.1515/eletel-2017-0060 fatcat:uaiab4wmcjb33ao32d7q4tcucq

Design of PVT tolerant inverter based circuits for low supply voltages

Ramesh Harjani, Rakesh Kumar Palani
2015 2015 IEEE Custom Integrated Circuits Conference (CICC)  
A second order loop filter with NRZ feedback pulse is used in the delta sigma sampler with over sampling ratio of 4. The signal bandwidth and the sampling rate is assumed to be 500MHz and 4GHz.  ...  This allows for an extremely small input capacitance of 133fF. The measured ADC SFDR is 57 dB and the measured ENOB is 7.55 bits at Nyquist rate while using 1.55mW power from 1V supply.  ... 
doi:10.1109/cicc.2015.7338424 dblp:conf/cicc/HarjaniP15 fatcat:7xagokignreatbvmontp3vnihm
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