reflectometry


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reflectometry

(rē″flek″tom′ĕ-trē) [ reflect + -metry]
A laboratory technique for analyzing thin layers of objects, such as biological membranes or layered metallic surfaces. It is performed by measuring the scatter of energized particles from the layered surface.
References in periodicals archive ?
Because many medical devices are reflective metal substrates, spectroscopic reflectometry can often be used.
Herkelrath WN, Hamburg SP, Murphy F (1991) Automatic, real-time monitoring of soil moisture in a remote field area with time domain reflectometry.
The device uses principles of acoustic reflectometry to classify patients into five categories of risk for middle ear effusion (table 1).
Bridge BJ, Sabbury J, Habash KO, Ball AR, Hancock NH (1996) The dielectric behaviour of clay soils and its application to time domain reflectometry.
Foster is known for his pioneering work on polymer interdiffusion and the development of X-ray reflectometry, neutron reflectometry and scanning probe microscopy techniques to study interfaces and adhesion.
A maker of process control metrology systems for the analysis of semiconductors, integrated circuits and flat panel displays, Nanometrics' systems utilize spectroscopic reflectometry and ellipsometry, optical critical dimension technology, overlay registration, optical profilometry, and extreme dark field (EDF) imaging technology.
We report on two upgrades of our NIST/DARPA Reflectometry Facility that have given us the ability to achieve 0.
They use time domain reflectometry (TDR) to characterize solute transport in undisturbed, structured soils with distinctive flow properties.
Time domain reflectometry has been in existence since World War II, and yet historically, the instrument was reserved for only large companies and higher level engineers.
These unique features allow the user to switch easily between most X-ray powder diffraction applications, including qualitative and quantitative crystalline phase identification, micro-structure and crystalline structure analysis, residual stress and texture investigations, X-ray reflectometry and micro-diffraction.
In the past decade, however, there have been several reports of the use of time-domain reflectometry (TDR) in both field and laboratory to monitor the behaviour of individual ions in soil solution, for example, total H+ and total A13+ in forest soils (Heimovaara et al.
Scientists at the NIST Center for Neutron Research (NCNR) and the Department of Surgery at Emory University in Atlanta, GA, are using phase-sensitive neutron reflectometry to characterize the structure of a medically relevant membrane-mimetic system composed of a polyelectrolyte cushion, a terpolymer, and a self-assembled phospholipid monolayer.