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Displaying 151 - 175 of 1383

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 D. 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
Displaying 151 - 175 of 1383