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Electronics

Sensors

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Displaying 26 - 50 of 1387

Self-Driven Highly Responsive PN Junction InSe Heterostructure Near-Infrared Light Detector

June 30, 2022
Author(s)
Chandraman Patil, Chaobo Dong, Hao Wang, Hamed Dalir, Sergiy Krylyuk, Huairuo Zhang, Albert Davydov, Volker Sorger
Photodetectors converting light signals into detectable photocurrents are ubiquitously in use today. To improve the compactness and performance of next-generation devices and systems, low dimensional materials provide rich physics to engineering the light

High-performance dual-gate graphene pH sensors

June 28, 2022
Author(s)
Son Le, Seulki Cho, Alexander Zaslavsky, Curt A. Richter, Arvind Balijepalli
High precision biophysical measurements that are portable and performed without prior labeling of the molecules can greatly benefit several areas of biotechnology and biophysics, but existing techniques often lack sufficient resolution. Field-effect

Anisotropic Acoustodynamics in Gigahertz Piezoelectric Ultrasonic Transducers

May 30, 2022
Author(s)
Jingjie Cheng, Zhaoliang Peng, Penghui Song, Bo Peng, Jason J. Gorman, Justin Kuo, Amit Lal, Wenming Zhang, Lei Shao
In this work, we employed our newly developed optical imaging method to probe detailed acoustodynamic physics in gigahertz (GHz) unreleased ultrasonic transducers based on an AlN-on-silicon system, revealing mode superposition, anisotropic transduction

Intrinsically accurate sensing with an optomechanical accelerometer

May 18, 2022
Author(s)
Benjamin Reschovsky, David Long, Feng Zhou, Yiliang Bao, Richard A. Allen, Jason J. Gorman, Thomas W. LeBrun
We demonstrate a microfabricated optomechanical accelerometer that is capable of percent-level accuracy without external calibration. To achieve this capability, we use a mechanical model of the device behavior that can be characterized by the thermal

Measurements of IP3 and P1dB for Spectrum Monitoring with Software Defined Radios

March 30, 2022
Author(s)
Mike McNulty, Dazhen Gu, Dan Kuester, Payam Nayeri
This paper discusses methodology for characterizing linearity summary parameters of software-defined radio receivers. First, we introduce a highly automated testbed for 1-dB compression point (P1dB) and third-order input intercept point (IIP3). With this

Laser-lithographically written micron-wide superconducting nanowire single-photon detectors

March 23, 2022
Author(s)
Maximilian Protte, Varun Verma, Jan Philipp Hopker, Richard Mirin, Sae Woo Nam, Tim Bartley
In this paper, we demonstrate our results on micron-wide tungsten silicide superconducting nanowire single-photon detectors fabricated by laser lithography. Laser-lithographically written devices allow for fast and easy structuring of large areas while

Amontons-Coulomb-like slip dynamics in acousto-microfluidics

March 22, 2022
Author(s)
Aurore F. Quelennec, Jason J. Gorman, Darwin Reyes-Hernandez
Electroacoustic technologies, which employ acoustic waves to manipulate and detect bioparticles, have been increasingly used, with a great deal of success, in life sciences. Particle manipulation or measurement capabilities of surface acoustic wave-based
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