Results 31 to 40 of about 6,842 (203)

Two Decades of Arrayed Imaging Reflectometry for Sensitive, High-Throughput Biosensing

Biosensors, 2023
Arrayed imaging reflectometry (AIR), first introduced in 2004, is a thin-film interference sensor technique that optimizes optical properties (angle of incidence, polarization, substrate refractive index, and thickness) to create a condition of total ...
Gabrielle Kosoy, Benjamin L. Miller
doaj   +1 more source

Digital holographic reflectometry

Optics Express, 2010
Digital holographic microscopy (DHM) is an interferometric technique that allows real-time imaging of the entire complex optical wavefront (amplitude and phase) reflected by or transmitted through a sample. To our knowledge, only the quantitative phase is exploited to measure topography, assuming homogeneous material sample and a single reflection on ...
Colomb T., Krivec S., Hutter H., Akatay A.A., Pavillon N., Montfort F., Cuche E., Kuhn J., Depeursinge C., Emery Y.   +9 more
openaire   +2 more sources

Normalized GNSS Interference Pattern Technique for Altimetry

Sensors, 2014
It is well known that reflected signals from Global Navigation Satellite Systems (GNSS) can be used for altimetry applications, such as monitoring of water levels and determining snow height.
Miguel Angel Ribot, Jean-Christophe Kucwaj, Cyril Botteron, Serge Reboul, Georges Stienne, Jérôme Leclère, Jean-Bernard Choquel, Pierre-André Farine, Mohammed Benjelloun   +8 more
doaj   +1 more source

Magnetic reflectometry of heterostructures

Journal of Physics: Condensed Matter, 2014
Measuring the magnetic configuration at complex buried layers and interfaces is an important task, which requires especially a non-destructive probing technique. X-ray resonant magnetic reflectometry (XRMR) combines the non-destructive depth profiling potential of x-ray reflectometry with the excellent sensitivity for magnetic phenomena, utilizing the ...
Macke, S., Goering, E.
openaire   +3 more sources

A Real-Time On-Orbit Signal Tracking Algorithm for GNSS Surface Observations

Remote Sensing, 2019
This manuscript describes real-time on-orbit instrument compatible open loop signal tracking techniques for Global Navigation Satellite Systems (GNSS) reflection observations.
Scott Gleason
doaj   +1 more source

The Origins of Neutron Reflectometry

Neutron News, 2010
The optical properties of slow neutrons, which includes refraction, reflection and interference, were recognized in the very early days of neutron physics. Fermi and co-workers [1] reported the total (or critical) reflection of slow neutrons. Goldberger and Seitz showed that the intensity of reflected and transmitted neutrons follow the same laws as ...
Majkrzak, C, Penfold, J
openaire   +1 more source

Optoelectronic Synaptic Devices Using Molecular Telluride Phase‐Change Inks for Three‐Factor Learning

Advanced Functional Materials, EarlyView.
Optoelectronic synaptic devices based on solution‐processed molecular telluride GST‐225 phase‐change inks are demonstrated for three‐factor learning. A global optical signal broadcast through a silicon waveguide induces non‐volatile conductance updates exclusively in locally electrically flagged memristors.
Kevin Portner, Dhananjeya Kumaar, Giacomo Torti, Killian Keller, Till Zellweger, Florian M. Schenk, Christoph Weilenmann, Daniel Chelladurai, Vara Prasad Jonnalagadda, Ghazi Sarwat Syed, Vanessa Wood, Jürg Leuthold, Alexandros Emboras, Maksym Yarema, Mathieu Luisier   +14 more
wiley   +1 more source

Nanoscale Spatial Tuning of Superconductivity in Cuprate Thin Films via Direct Laser Writing

Advanced Functional Materials, EarlyView.
Maskless direct laser writing enables local control of oxygen stoichiometry in epitaxial YBCO thin films under ambient conditions. Sub‐micrometer grayscale patterns with tunable optical response and superconducting transport properties are achieved.
Irene Biancardi, Valerio Levati, Jordi Alcalà, Thomas Günkel, Nicolas Lejeune, Riccardo Girelli, Alejandro V. Silhanek, Valeria Russo, Narcís Mestres, Daniela Petti, Anna Palau, Edoardo Albisetti   +11 more
wiley   +1 more source

SCoBi Multilayer: A Signals of Opportunity Reflectometry Model for Multilayer Dielectric Reflections

Remote Sensing, 2020
A multilayer module is incorporated into the Signals of Opportunity (SoOp) Coherent Bistatic Scattering model (SCoBi) for determining the reflections and propagation of electric fields within a series of multilayer dielectric slabs.
Dylan Boyd, Mehmet Kurum, Orhan Eroglu, Ali Cafer Gurbuz, James L. Garrison, Benjamin R. Nold, Manuel A. Vega, Jeffrey R. Piepmeier, Rajat Bindlish   +8 more
doaj   +1 more source

Highly Sensitive Zinc Oxide Fiber-Optic Biosensor for the Detection of CD44 Protein

Biosensors, 2022
Currently, significant progress is being made in the prevention, treatment and prognosis of many types of cancer, using biological markers to assess current physiological processes in the body, including risk assessment, differential diagnosis, screening,
Zhaniya U. Paltusheva, Zhannat Ashikbayeva, Daniele Tosi, Lesya V. Gritsenko   +3 more
doaj   +1 more source