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检索条件"任意字段=Conference on Solid State Sensor Arrays - Development and Applications"

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All solid state mid-infrared dual-comb spectroscopy platform based on QCL technology 12

引用

conference on Quantum Sensing and Nanophotonic Devices XII

作者： Hugi, Andreas Geiser, Markus Villares, Gustavo Cappelli, Francesco Blaser, Stephane Faist, Jerome IRsweep GmbH CH-8037 Zurich Switzerland ETH Inst Quantum Elect CH-8093 Zurich Switzerland CNR INO I-50019 Sesto Fiorentino FI Italy LENS I-50019 Sesto Fiorentino FI Italy Alpes Lasers SA CH-2000 Neuchatel Switzerland

ISBN: (纸本)9781628414608

We develop a spectroscopy platform for industrial applications based on semiconductor quantum cascade laser (QCL) frequency combs. The platform's key features will be an unmatched combination of bandwidth of 100 cm(-1), resolution of 100 kHz, speed of ten to hundreds of mu s as well as size and robustness, opening doors to beforehand unreachable markets. The sensor can be built extremely compact and robust since the laser source is an all-electrically pumped semiconductor optical frequency comb and no mechanical elements are required. However, the parallel acquisition of dual-comb spectrometers comes at the price of enormous data-rates. For system scalability, robustness and optical simplicity we use free-running QCL combs. Therefore no complicated optical locking mechanisms are required. To reach high signal-to-noise ratios, we develop an algorithm, which is based on combination of coherent and non-coherent averaging. This algorithm is specifically optimized for free-running and small footprint, therefore high-repetition rate, comb sources. As a consequence, our system generates data-rates of up to 3.2 GB/sec. These data-rates need to be reduced by several orders of magnitude in real-time in order to be useful for spectral fitting algorithms. We present the development of a data-treatment solution, which reaches a single-channel throughput of 22% using a standard laptop-computer. Using a state-of-the art desktop computer, the throughput is increased to 43%. This is combined with a data-acquisition board to a stand-alone data processing unit, allowing real-time industrial process observation and continuous averaging to achieve highest signal fidelity.

关键词： Quantum cascade laser QCL frequency comb dual-comb spectroscopy semiconductor sensing

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Flat FEA image sensor with HARP target

Flat FEA image sensor with HARP target

引用

International conference on Vacuum Electronics

作者： Y. Takiguchi K. Osada K. Miyakawa M. Nanba S. Okazaki T. Yamagishi N. Egami K. Tanioka M. Tanaka S. Itoh NHK Science & Technical Research Laboratories Tokyo Japan Product & Development Center Futaba Corporation Chiba Japan

ISBN: (纸本)0780372565

In a new application of field emitter arrays (FEAs), a unique, ultrahigh-sensitivity, flat image sensor that consists of an FEA and an avalanche-mode photoconductive target is proposed. We have been working to develop highly sensitive camera tubes with a high-gain avalanche rushing amorphous photoconductor (HARP) target. Although our latest HARP tube is about 100 times as sensitive as a conventional solid-state image sensor, it suffers from drawbacks related to its length (about 100 mm) and power consumption. To overcome these problems and develop a next-generation, ultra-high sensitivity, flat image sensor, we have developed an FEA image sensor.

关键词： Image sensors Prototypes Voltage sensor arrays Fluctuations Photoconductivity Cameras Electrodes Electron emission Laboratories

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Implementation of stateless transport protocols in NS-3 15

Implementation of stateless transport protocols in NS-3

引用

2015 Workshop on NS-3, WNS3 2015

作者： Chalyy, Dmitry Ju. RG. Demidov Yaroslavl State University Sovetskaya 14 Yaroslavl Russia

ISBN: (纸本)9781450333757

development of transport protocols has received a great deal of attention of network research community at several past decades. One of the general directions of such an effort was to improve a congestion control mechanism of the TCP (Transmission Control Protocol) which is tightly bounded with other components of the protocol responsible, for example, for robust delivery of data and loss detection. Such a solid architecture complicates innovations in this area and leads to inefficient or misleading functioning in different network settings. Last decade has shown the emergence of new communication paradigms such as cloud computing, software-defined networks, sensor networks, fog networks etc. Thus, rethinking architecture of the transport protocol can be useful to comply new demands. The standard TCP approach tics the transport connection to its endpoints however approaching network applications in new network settings may demand more flexible and transparent data transfer. For example, in cloud computing architectures, servers can dynamically power on or shutdown and such a behavior must be transparent for clients. This can be difficult or even impossible to achieve if the transport protocol's state is distributed between both sides of the connection. We consider a protocol called the Trickles, which is one of the first efforts to migrate all connection state to one endpoint, allows its counterpart to operate without any per-conncction state. In this paper we describe the architecture of the model of such a stateless protocol and describe a framework which can be used to model such protocols in NS-3. Another contribution of the paper is an approach based on ideas of literate programming to achieve reproducible results of analysis of network protocols. Copyright is held by the owner/author(s). Publication rights licensed to ACM.

关键词： Transmission control protocol

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development of highly roughened porous Au electrode with Pt nano-particle for electrochemical sensor applications

Development of highly roughened porous Au electrode with Pt ...

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International conference on solid state sensors and Actuators (TRANSDUCERS)

作者： J. D. Kim Y. J. Lee J. Y. Park H. Kim Y. Kim Department of Electronic Engineering Kwangwoon University Seoul South Korea Department of Chemical Engineering Kwangwoon University Seoul South Korea

Highly roughened coral-like porous Au electrode with electroplated Pt nano-particles was newly developed and characterized. The porosity and window-pore size of the fabricated porous Au electrode were approximately 50% and 100-300 nm, respectively. The electroplated Pt nano-particle size was approximately 5-10 nm. For miniaturized electrochemical and biochemical sensor applications, the fabricated Au-Pt nano-electrode was characterized in sulfuric acid and H 2 O 2 solutions. It showed extremely large sensitivity of 0.166 mA/mMmiddotcm 2 , excellent linearity of 0.989, and surface roughness factor of 488, which were the highest values in the previously reported ones.

关键词： Gold Electrodes Rough surfaces Surface roughness Aluminum Etching Nanoporous materials Chemical sensors sensor phenomena and characterization Hydrogen

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A 32×32 SPAD LiDAR sensor with In-pixel Spatial-temporal Coincidence and Per-SPAD Pulse Delay for Resolution-lossless Imaging

A 32×32 SPAD LiDAR Sensor with In-pixel Spatial-temporal Co...

引用

IEEE Asian conference on solid-state Circuits (ASSCC)

作者： Bu Chen Zhangcheng Huang Jingyi Wang Hongyang Shang Hankun Lv Qi Liu Ming Liu State Key Lab of Integrated Chips and Systems Frontier Institute of Chip and System Fudan University

ISBN: (数字)9798350376326

ISBN: (纸本)9798350376333

Single-photon Avalanche Diode (SPAD)-based LiDAR technology finds significant applications in advanced driver assistance systems, etc. Extracting distance information necessitates creating a histogram from enormous frames to filter out the overwhelming background light (BGL) data. As the formats of SPAD pixel arrays scaling up [1], the processing, storage, and transmission of extensive data result in ultra-high power consumption and increased layout area. In order to reduce BGL, previous studies [2][3] [4] have leveraged spatial coincidence and histograms in pixels, and [5] utilized external double pulses to enhance the signal-to-noise ratio. However, a significant amount of data still needs to be processed within the sensor. To address these challenges, this paper presents a $32 \times 32$ SPAD LiDAR sensor that incorporates in-pixel spatial-temporal coincidence to effectively compress random background light and a per-SPAD pulse delay method to realize resolution-lossless imaging. This approach achieves an impressive 98.3% compression rate of background light under 100 klux illumination while maintaining a low power consumption of $14.6 \mu \mathrm{~W}$ per pixel.

关键词： Histograms Laser radar Power demand Imaging Delays solid state circuits Spatial resolution Signal resolution Single-photon avalanche diodes Signal to noise ratio

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A 1.8V 11μW CMOS smart humidity sensor for RFID sensing applications

A 1.8V 11μW CMOS smart humidity sensor for RFID sensing app...

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IEEE Asian conference on solid-state Circuits (ASSCC)

作者： Zhichao Tan Roel Daamen Aurélie Humbert Kamran Souri Youngcheol Chae Youri V. Ponomarev Michiel A. P. Pertijs Electronic Instrumentation Laboratory DIMES Delft University of Technnology Delft Netherlands NXP Semiconductors Central Research and Development Leuven Belgium

A fully-integrated humidity sensor for a smart RFID sensor platform has been realized in 0.16μm standard CMOS technology. It consists of a top-metal finger-structure capacitor covered with a humidity-sensitive layer, combined with a micro-power flexible sensor interface based on a second-order incremental delta-sigma converter. The interface can be easily reconfigured to compensate for process variation of the sensing element. In a measurement time of 10.2 ms, the interface performs a 13-bits capacitance-to-digital conversion while consuming only 5.85 μA from 1.8 V supply. In combination with the co-integrated sensor capacitor, it thus provides a humidity-to-digital conversion with a resolution of 0.1% RH in the range of 20% to 90% RH at only 107 nJ per measurement. This represents a significant improvement in energy efficiency compared to existing capacitive-sensor interfaces with comparable performance.

关键词： Humidity Capacitors Semiconductor device measurement Humidity measurement Modulation Capacitance Energy efficiency

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In-Tube-Center Packaging of Flexible MEMS Airflow-Rate sensor and Its Sensitivity Enhancement

In-Tube-Center Packaging of Flexible MEMS Airflow-Rate Senso...

引用

International conference on solid state sensors and Actuators (TRANSDUCERS)

作者： Muhammad Salman Al Farisi Yang Wang Yoshihiro Hasegawa Miyoko Matsushima Tsutomu Kawabe Mitsuhiro Shikida Hiroshima City University Hiroshima Japan Nagoya University Nagoya Japan

Micro-electro mechanical systems (MEMS) thermal flow sensors have been widely utilized for a wide spectrum of applications. Innovative fabrication processes using polymers have resulted in the development of their flexible alternatives which allowed mounting in a wider range of situations. To accurately measure airflow-rate using a MEMS flow sensor, the airflow region has to be defined and encapsulated. In this study, we propose a facile packaging method of flexible MEMS airflow-rate sensor. The thermal sensing structure was fabricated on a flexible polyimide film. The film was inserted into a resin tube through its taper-cut end and fixed at the center of the tube taking advantage of its buckling. Sensitivity and response speed enhancement were demonstrated by limiting the thermal loss to the substrate by introducing a sensor structure with double-layer substrate.

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Neural networks for the design and fabrication of integrated circuits for aerospace applications

Neural networks for the design and fabrication of integrated...

引用

IEEE conference on Aerospace

作者： G.L. Creech Electron Devices Division Wright Laboratories OH USA

A great effort has been underway in recent years to develop microwave and millimeter wave monolithic integrated circuit (MIMIC) technology for phased array radar systems for airborne and space based applications. solid-state MIMICs have made a dramatic impact on capability, reliability, and cost of these sensor systems. However, the computer-aided engineering (CAE) tools necessary for the modeling and simulation of such complex systems has not kept pace. This paper presents a methodology for the utilization of neurocomputing technology to achieve enhanced yield and efficient yield prediction in integrated circuit (IC) manufacturing. Specifically, artificial neural networks (ANNs) are employed to model complex relationships between material and device characteristics at critical stages of the semiconductor fabrication process. Additionally, a methodology for the development of ANN models of MIMIC passive elements based on the elements physical parameters is described. Results are presented which illustrate that a ANN can predict the equivalent circuit parameters (ECPs) and/or the scattering-parameters of these passive elements to nearly the same degree of accuracy as that afforded by electromagnetic (EM) simulation.

关键词： Neural networks Fabrication MIMICs Space technology Artificial neural networks Millimeter wave technology Millimeter wave radar Integrated circuit technology Phased arrays Spaceborne radar

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A frequency-shift CMOS magnetic biosensor array with single-bead sensitivity and no external magnet

A frequency-shift CMOS magnetic biosensor array with single-...

引用

IEEE International conference on solid-state Circuits (ISSCC)

作者： Hua Wang Yan Chen Arjang Hassibi Axel Scherer Ali Hajimiri California Institute of Technology Pasadena CA

Future point-of-care (PoC) molecular-level diagnosis requires advanced biosensing systems that can achieve high sensitivity and portability at low power consumption levels, all within a low price-tag for a variety of applications such as in-field medical diagnostics, epidemic disease control, biohazard detection, and forensic analysis. Magnetically labeled biosensors are proposed as a promising candidate to potentially eliminate or augment the optical instruments used by conventional fluorescence-based sensors. However magnetic biosensors developed thus far require externally generated magnetic biasing fields and/or exotic post-fabrication processes. This limits the ultimate form-factor of the system, total power consumption, and cost. To address these impediments, we present a low-power scalable frequency- shift magnetic particle biosensor array in bulk CMOS, which provides single- bead detection sensitivity without any (electrical or permanent) external magnets. The sensor array system consumes a total power of 165 mW and occupies 2.95times2.56 mum 2 in a 0.13 mum CMOS process.

关键词： Frequency Biosensors sensor arrays Energy consumption Optical sensors Magnetic sensors Medical diagnosis Diseases Medical control systems Control systems

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SILICON NANOWIRE BASED RING SHAPE FORCE sensor FOR sensorIZED GUIDEWIRES

SILICON NANOWIRE BASED RING SHAPE FORCE SENSOR FOR SENSORIZE...

引用

International conference on solid-state sensors, Actuators and Microsystems

作者： B. Han Y.-J. Yoon M. Hamidullah A. T.-H. Lin W.-T. Park Institute of Microelectronics A*STAR Nanyang Technological University Seoul National University of Science and Technology

ISBN: (纸本)9781467359825

This paper presents the development of a ring shaped force sensor for sensorized guidewire applications. The sensor comprises a suspended ring structure located at the center of four suspended beams that can be integrated on the distal tip of a guidewire. SiNWs with a length of 6 μm and a cross section of 90 nm × 90 nm are embedded at the anchor of each silicon bridge as the piezoresistive sensing elements. Taking advantage of the high sensitivity of SiNWs, the fabricated sensor was capable to detect small displacement in nm ranges with a sensitivity of 13.4 × 10~(-3) μm~(-1) in the z-direction. This force sensor showed high linearity (>99.9%) to the applied load and no obvious hysteresis was observed.

关键词： Silicon nanowire tri-axial force sensor minimally invasive surgery guidewire

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