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Electronics

Sensors

Search Publications

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  • Published Date
Displaying 76 - 100 of 706

Discriminative potential of ion mobility spectrometry for the detection of fentanyl and fentanyl analogues relative to confounding environmental interferents

September 27, 2019
Author(s)
Thomas Forbes, Jeffrey Lawrence, Jennifer R. Verkouteren, R. Michael Verkouteren
The opioid crisis and emergence of fentanyl, fentanyl analogues, and other synthetic opioids has highlighted the need for sensitive and robust detection for interdiction at screening points, notably vehicles at border crossings and packages at postal

QUANTUM-LIMITED 2D SENSORS FOR PH AND BIOSENSING

September 27, 2019
Author(s)
Arvind K. Balijepalli, Son T. Le, Harish C. Pant, Curt A. Richter
We have developed biosensors based on dual-gated field-effect transistors (FETs) that operate at the quantum capacitance limit. The FETs are fabricated with atomically thin MoS2 semiconducting films and top-gated with a room temperature ionic-liquid. The

Johnson Noise Thermometry

September 3, 2019
Author(s)
Weston L. Tew, Jifeng Qu, K L. Zhou, Samuel P. Benz, Horst Rogalla, David R. White
Johnson noise thermometers infer thermodynamic temperature from measurements of the thermally-induced current fluctuations that occur in all electrical conductors. This paper reviews the status of Johnson noise thermometry and its prospects for both

Revisiting the Photon-Drag Effect in Metal Films

August 2, 2019
Author(s)
Jared H. Strait, Glenn E. Holland, Wenqi Zhu, Cheng Zhang, Bojan R. Ilic, Amit K. Agrawal, Domenico Pacifici, Henri J. Lezec
The photon-drag effect, the rectified current in a medium induced by conservation of momentum of absorbed or redirected light, is a unique probe of the detailed mechanisms underlying radiation pressure. We revisit this effect in gold, a canonical Drude

Miniaturized Nanohole Array Based Plasmonic Sensor for the Detection of Acetone and Ethanol with Insights into the Kinetics of Adsorptive Plasmonic Sensing

June 6, 2019
Author(s)
Yangyang Zhao, Kalisadhan Mukherjee, Kurt D. Benkstein, Libin Sun, Kristen L. Steffens, Christopher B. Montgomery, Stephen Semancik, Mona Zaghloul
The present work demonstrates development of a miniaturized plasmonic platform comprised of a Au nanohole array (NHA) on a Si/Si3N4 substrate. Plasmonic responses of the NHA platform, which is coated with Cu-benzenetricarboxylate metal organic framework

BABAR: Black Array of Broadband Absolute Radiometers for far infrared sensing

May 13, 2019
Author(s)
Christopher S. Yung, Nathan A. Tomlin, Cameron Straatsma, Joel Rutkowski, Erik Richard, Dave Harber, John H. Lehman, Michelle S. Stephens
Currently at NIST, there is an effort to develop a black array of broadband absolute radiometers (BABAR) for far infrared sensing. The linear array of radiometer elements is based on uncooled vanadium oxide (VOx) microbolometer pixel technology but with

IEEE 1451 Smart Sensor Digital Twin Federation for IoT/CPS Research

May 6, 2019
Author(s)
Yuyin Song, Martin J. Burns, Abhinav Pandey, Thomas P. Roth
Cyber-physical systems (CPS) are smart systems that include engineered, interacting networks of physical and cyber components. The Institute of Electrical and Electronics Engineers (IEEE) 1451 defines a set of open, common, network-independent

Reproducible Performance Improvements to Monolayer MoS2 Transistors through Exposed Material Forming Gas Annealing

April 16, 2019
Author(s)
Nicholas B. Guros, Son T. Le, Siyuan Zhang, Brent A. Sperling, Jeffery B. Klauda, Curt A. Richter, Arvind Balijepalli
We have developed an optimized process to realize high-performance field-effect transistor (FET) arrays from large-area 2D MoS2 films with an average yield of 85 %. A central element of the technique is a new exposed film forming gas anneal (EF- FGA) that

Ligand-based stability changes in duplex DNA measured with a microscale electrochemical platform

April 12, 2019
Author(s)
Sarah M. Robinson, Zuliang Shen, Jon R. Askim, Christopher B. Montgomery, Herman O. Sintim, Stephen Semancik
Development of technologies for rapidly screening the thermal stability of DNA secondary structures and the effects on stability for binding of small molecule drugs is important to the drug discovery process. In this report, we describe the capabilities of

Use of Transition Models to Design High Performance TESs for the LCLS-II Soft X-Ray Spectrometer

March 4, 2019
Author(s)
Kelsey M. Morgan, Daniel T. Becker, Douglas A. Bennett, William B. Doriese, Johnathon D. Gard, K D. Irwin, Sang-Jun Lee, Dale Li, John A. Mates, Christine G. Pappas, Daniel R. Schmidt, Charles Titus, Daniel Van Winkle, Joel N. Ullom, Abigail L. Wessels, Daniel S. Swetz
We are designing an array of transition-edge sensor (TES) microcalorimeters for a soft X-ray spectrometer at the Linac Coherent Light Source at SLAC National Accelerator Laboratory to coincide with upgrades to the free electron laser facility. The complete

Proceedings of the First Workshop on Standards for Microfluidics

January 28, 2019
Author(s)
Darwin R. Reyes-Hernandez, Henne van Heeren
In the last two decades, the microfluidics/lab-on-a-chip field has evolved from the concept of micro total analysis systems, where systems with integrated pretreatment and analysis of chemicals were envisioned, to what is known today as lab-on-a-chip

Metal Organic Framework-Coated Optical VOC Gas Sensor

November 8, 2018
Author(s)
Yangyang Zhao, Mona E. Zaghloul, Yigal Lilach, Kurt Benkstein, Stephen Semancik
We report a metal organic framework (MOF)-coated nanohole array based plasmonic gas sensor. Arrays of 200 nm circular holes are fabricated with a period of 400 nm. 10 nm thick MOF is coated on the sensor platform to provide high sensitivity and real-time

MEMS non-absorbing electromagnetic power sensor employing the effect of radiation pressure

September 8, 2018
Author(s)
Ivan Ryger, Aly Artusio-Glimpse, Paul A. Williams, Gordon A. Shaw, Matt Simons, Christopher L. Holloway, John H. Lehman
We demonstrate a compact electromagnetic power sensor based on force effects of electromagnetic radiation onto a highly reflective mirror surface. Unlike the conventional power measurement approach, the photons are not absorbed and can be further used in

Micromachined force balance for optical power measurement by radiation pressure sensing

August 6, 2018
Author(s)
Ivan Ryger, Alexandra B. Artusio-Glimpse, Paul A. Williams, Nathan A. Tomlin, Michelle S. Stephens, Matthew T. Spidell, Kyle A. Rogers, John H. Lehman
We introduce a micromachined force scale for laser power measurement by means of radiation pressure sensing. With this technique, the measured laser light is not absorbed and can be utilized while being measured. We employ silicon micromachining technology

Hot science with cool sensors

August 1, 2018
Author(s)
Kelsey M. Morgan
A thin superconducting film in the transition between its superconducting and normal states makes an ultra-sensitive thermometer, capable of measuring the energy of individual x-ray and gamma ray photons. The “transition edge sensor,” like the

Guidance for Evaluating Contactless Fingerprint Acquisition Devices

July 27, 2018
Author(s)
John M. Libert, John D. Grantham, Bruce Bandini, Stephen S. Wood, Michael D. Garris, Kenneth Ko, Frederick R. Byers, Craig I. Watson
This document details efforts undertaken by the National Institute of Standards and Technology (NIST) to develop measurements and a protocol for the evaluation of contactless (touchless) fingerprint acquisition devices. Contactless fingerprint capture

Interoperability Testbed for Smart Sensors in Smart Grids

July 9, 2018
Author(s)
Yuyin Song, Gerald J. FitzPatrick, Kang B. Lee, Avi M. Gopstein, Paul A. Boynton
Interoperability testing provides a means for achieving and assuring smart sensor data interoperability. Interoperability testbeds can provide the technical foundations for standards development for smart sensors in smart grids, including standards for

A Soot Deposition Gauge for Fire Measurements

March 12, 2018
Author(s)
Amy E. Mensch, Thomas G. Cleary
The goal of this exploratory project is to demonstrate the feasibility of a conductometric measurement to determine the time-resolved soot deposition on surfaces in fire environments. Quantitative soot deposition data enabled by this measurement method is
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