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Multiple-Mode Polymeric-Silicon Dual-Channel Gas Sensors

K. Liang [1], A. Dodabalapur [1], D. Sharma [1],
[1] Microelectronics Research Center, University of Texas, Austin, TX, USA

An organic-inorganic dual-channel sensor makes a strong chemical gas sensor because this device design ... 扩展阅读

Study of Particle Collection Using Magnets

M. D. Cheng [1],
[1] Oak Ridge National Laboratory, Oak Ridge, TN, USA

Airborne particles or aerosols are an unstable system with distributed properties among its individual ... 扩展阅读

Modelling Ion Production inside an Electron Impact Ionizer for High-Vacuum Gas Analysis

Jurjen Emmelkamp¹, Freek Molkenboer¹, Herman Bekman¹, Jeroen van den Brink¹, Dagmar Wismeijer¹, Norbert Koster¹, Diederik Maas¹, Olaf Kievit², Henk Lensen¹
¹TNO NanoInstrumentation, Delft, The Netherlands
²TNO, Delft, The Netherlands

Residual Gas Analyzers (RGA) are often used to measure background gases and contaminations in vacuum systems. ... 扩展阅读

An AlGaN/GaN Based UV Photodetector Simulation Using COMSOL® to Obtain the Fresnel Coefficients

B. Uppalapati¹, G. Koley¹, A. Kota²
¹Clemson University, Clemson, SC, USA
²University of Dayton, Dayton, OH, USA

Over the past two decades, extensive research has been conducted on ultraviolet (UV) photodetectors (PDs) ... 扩展阅读

Assessment of Diffuse Optical Tomography Image Reconstruction Methods Using a Photon Transport Model

M. M. Althobaiti [1], H. S. Salehi [2], Q. Zhu [2],
[1] Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA
[2] Department of Electrical and Computer Engineering, University of Connecticut, Storrs, CT, USA

Imaging of tissue with near-infrared diffuse optical tomography is emerging as a practical method to map ... 扩展阅读

Long Range Ultrasonic Guided Waves for Pipelines Inspection

Á. Angulo[1], Dr. S. Soua[1]
[1]TWI Ltd, Cambridge, UK

The evaluation of defect size and nature are two most controversial topics in ultrasonic flaw detection. The ... 扩展阅读

Simulation of Quench Propagation in a Double-Helix Superconducting Magnet with COMSOL Multiphysics

P. Masson
Advanced Magnet Lab
Palm Bay, FL

The paper presents the numerical analysis of quench propagation in a DH magnet wound with a commercially ... 扩展阅读

Analysis of the Characteristics of the Terahertz Communication Device by using the COMSOL RF Module and its Complement

Hirokazu YAMAKURA[1]

[1]Tokyo Metropolitan University, Hachioji, Tokyo, Japan

We present simulated examples of analyzing characteristics of terahertz communication devices by using the ... 扩展阅读

Evaluation of COMSOL as a Tool for Pinpointing Moisture Entering Locations From Inside Surface Moisture

J. van Schijndel
Eindhoven University of Technology, Eindhoven, Netherlands

The location and nature of the moisture leakages are sometimes difficult to detect. Moreover, the relation ... 扩展阅读

MEMS Pirani Sensor for Pressure Measurements in the Fine- and High-Vacuum Range

M. Grau[1], F. Völklein[1], A. Meier[1], C. Kunz[1], P. Woias[2]
[1]RheinMain University of Applied Sciences, Institute for Microtechnologies, Rüsselsheim, Germany
[2]University of Freiburg, Department of Microsystems Engineering, Freiburg, Germany

A high performance MEMS Pirani sensor (VAC_03) was designed and optimized based on analytics. Due to the fact ... 扩展阅读

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