Results 31 to 40 of about 104,727 (309)
Single Event Effects in CMOS Image Sensors [PDF]
, 2012 In this work, 3T Active Pixel Sensors (APS) are exposed to heavy ions (N, Ar, Kr, Xe), and Single Event Effects (SEE) are studied. Devices were fully functional during exposure, no Single Event Latch-up (SEL) or Single Event Functional Interrupt (SEFI ...
Goiffon, Vincent +4 more
core +1 more source
High-Sensitivity Ammonia Sensors with Carbon Nanowall Active Material via Laser-Induced Transfer
Nanomaterials, 2022 Ammonia sensors with high sensitivity, reproducible response, and low cost are of paramount importance for medicine, i.e., being a biomarker to diagnose lung and renal conditions, and agriculture, given that fertilizer application and livestock manure ...
Alexandra Palla-Papavlu +3 more
doaj +1 more source
Highly sensitive fiber ring laser sensor for curvature using a modal interferometer [PDF]
, 2020 A curvature sensing Ytterbium-doped fiber ring,using a Thin Core Fiber Modal Interferometer (TCFMI) was experimentally demonstrated in this work. The TCFMI was implemented by fusion splicing a segment of a thin-core fiber, with a small core diameter ...
Martin Vela, Javier Antonio +7 more
core +1 more source
Electronics Letters, 1980 A new sensor capable of detecting sinusoidal displacements as small as ~9 ×10-5 nm has been constructed. The sensor, employing phase modulation of light fed back into the laser cavity by an external reflector, has been successfully tested as an acoustic sensor.
A. Dandridge +2 more
openaire +1 more source
SensorsThe deep integration of communication and sensing technology in fiber-optic systems has been highly sought after in recent years, with the aim of rapid and cost-effective large-scale upgrading of existing communication cables in order to monitor ocean ...
Runlong Zhu +9 more
doaj +1 more source
An external cavity diode laser sensor [PDF]
Journal of Lightwave Technology, 1983 A simple compact optical sensor system consisting of a near-field external cavity coupled to a semiconductor laser is reported. In this device, a change of phase in the light fed back into the laser cavity by the perturbed external mirror modulates the output of the laser by effectively changing the laser facet reflectivity.
Miles, Ronald O. +3 more
openaire +2 more sources
Laser machining of sensing components on the end of optical fibres [PDF]
, 2013 Micro-cantilevers play a major role in sensing, especially since the invention of the atomic force microscope. Applications range from surface profiling to bio-medical sensing enabled through coating-activated cantilevers.
Li, Jun +4 more
core +1 more source
Low-Cost Laser-Based Localization System for Agricultural Machines [PDF]
, 2005 This paper describes the design and test of a low-cost localization system for agricultural applications, which determines a tractor position in fields up to 0.5 km with an uncertainty of about 1 m. The proposed system employs a standard unmodified laser
Parvis, Marco +5 more
core +1 more source
Study of the Errors in Interpolated Fast Fourier Transform for Interferometric Applications
MetrologyFrequency estimation is often the basis of various measurement techniques, among which optical distance measurement stands out. One of the most used techniques is interpolated fast Fourier transform due to its simplicity, combined with good performance ...
Federico Cavedo +2 more
doaj +1 more source
, 2006 Fiber Bragg gratings have been demonstrated as a versatile sensor for structural health monitoring. We present an efficient and cost effective multiplexing method for fiber Bragg grating and fiber Fabry-Perot sensors based on a broadband mode-locked ...
Kirkendall, C. K. +2 more
core +1 more source