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Use of reflected waves to analyze objects and interfaces
Reflectometry is a general term for the use of the reflection of waves or pulses at surfaces and interfaces to detect or characterize objects, sometimes
Reflectometry
Electronic instrument
reflections with correlation techniques. See spread-spectrum time-domain reflectometry. The equivalent device for optical fiber is an optical time-domain reflectometer
Time-domain_reflectometer
Neutron reflectometry is a neutron diffraction technique for measuring the structure of thin films, similar to the often complementary techniques of X-ray
Neutron_reflectometry
Sound waves with frequencies above the human hearing range
Ultrasound is sound with frequencies greater than 20 kilohertz. This frequency is the approximate upper audible limit of human hearing in healthy young
Ultrasound
Surface analytical technique
reflectivity (sometimes known as X-ray specular reflectivity, X-ray reflectometry, or XRR) is a surface-sensitive analytical technique used in chemistry
X-ray_reflectivity
Earth observation technology
GNSS reflectometry (or GNSS-R) involves making measurements from the reflections from the Earth of navigation signals from Global Navigation Satellite
GNSS_reflectometry
A spatial TDR moisture sensor employs time-domain reflectometry (TDR) to measure moisture content indirectly based on the correlation to electric and
TDR_moisture_sensor
Optoelectronic instrument
An optical time-domain reflectometer (OTDR) is an optoelectronic instrument used to characterize an optical fiber. It is the optical equivalent of an electronic
Optical time-domain reflectometer
Optical_time-domain_reflectometer
Single colour reflectometry (SCORE), formerly known as imaging Reflectometric Interferometry (iRIf) and 1-lambda Reflectometry, is a physical method based
Single_colour_reflectometry
Noise-domain reflectometry is a type of reflectometry where the reflectometer exploits existing data signals on wiring and does not have to generate any
Noise-domain_reflectometry
Spread-spectrum time-domain reflectometry (SSTDR) is a measurement technique to identify faults, usually in electrical wires, by observing reflected spread
Spread-spectrum time-domain reflectometry
Spread-spectrum_time-domain_reflectometry
European CubeSat satellite mission
PRETTY (Passive REflecTomeTry and dosimetrY) is a CubeSat mission by the European Space Agency (ESA). The primary payload of the satellite is a passive
PRETTY_(satellite)
Type of sensor
laser pulse. This is known as coherent Rayleigh optical time domain reflectometry (COTDR). When the pulse has had time to travel the full length of the
Distributed_acoustic_sensing
Human skin color measurement
In anthropology, reflectometry devices are often used to gauge human skin color through the measurement of skin reflectance. These devices are typically
Skin_reflectance
European technology demonstration satellite
Among the new technologies demonstrated by the satellite was GNSS reflectometry (by SSTL) using satellite navigation signals reflected from the sea
TechDemoSat-1
Soil moisture measurement method through quantifiable electrical currents
measuring instruments are based on the principle of Amplitude Domain Reflectometry (ADR). This method measures the electrical impedance. Electromagnetic
Amplitude domain reflectometry
Amplitude_domain_reflectometry
French engineer
dielectric layers. When Lyman G. Parratt performed the first x-ray reflectometry experiment in 1954, he developed an equivalent recursion method. Nowadays
Florin_Abelès
Physical phenomenon
neutron scattering Spin echo small angle neutron scattering Neutron reflectometry Inelastic neutron scattering Neutron triple-axis spectrometry Neutron
Neutron_scattering
European Earth observation satellite mission
Agency (ESA) consisting of two identical small satellites carrying GNSS reflectometry instruments. The mission is using satellite navigation signals reflected
HydroGNSS
Subatomic particle with no charge
for neutron diffraction, small-angle neutron scattering, and neutron reflectometry. Slow neutron matter waves exhibit properties similar to geometrical
Neutron
Imaging technique
the term "OCT" to credit its derivation from optical coherence-domain reflectometry, in which the axial resolution is based on temporal coherence. The first
Optical_coherence_tomography
Optoelectronic temperature sensing device
sensing technology, OTDR (optical time-domain reflectometry) and OFDR (optical frequency-domain reflectometry). For distributed temperature sensing often
Distributed temperature sensing
Distributed_temperature_sensing
Testing method for plastic welds
internal crawler to find defects (similar to pipeline pigging). Microwave reflectometry works similar to ultrasonic inspection techniques in that the microwaves
Plastic weld non-destructive examination
Plastic_weld_non-destructive_examination
Material analysis technique
small-angle scattering (GISANS) combines ideas of SANS and of neutron reflectometry. A crucial feature of SANS that makes it particularly useful for the
Small-angle neutron scattering
Small-angle_neutron_scattering
Method of spatial measurement using laser
measurements using photography Range imaging – Measuring technique Time-domain reflectometry – Electronic instrumentPages displaying short descriptions of redirect
Lidar
Radio wave detection and transmission system defined by its separation
traditional surface scattering would be detected. Bistatic sonar CLidar GNSS reflectometry Bistatic radar cross section Wikimedia Commons has media related to
Bistatic_radar
Atomic nuclear process
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Neutron_capture
Total distance traveled by neutrons within a volume over a time period
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Neutron_flux
Sensor that uses optical fiber
calculated using an instrument implementing optical frequency domain reflectometry. Fiber-optic sensors are also immune to electromagnetic interference
Fiber-optic_sensor
Internationally financed scientific facility
metals. Neutron diffraction Small angle neutron scattering Neutron reflectometry Inelastic neutron scattering Neutron triple-axis spectrometry Neutron
Institut_Laue–Langevin
English physics research facility
areas where non‑destructive and in-situ testing is required. Neutron reflectometry. Reflectivity is the ratio of the reflected intensity to the incident
ISIS_Neutron_and_Muon_Source
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Neutron triple-axis spectrometry
Neutron_triple-axis_spectrometry
Use of satellite signals for navigation or geo-spatial positioning
abbreviations in avionics Geoinformatics GNSS positioning calculation GNSS reflectometry GPS spoofing GPS-aided geo-augmented navigation List of emerging technologies
Satellite_navigation
Ionizing radiation that presents as free neutrons
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Neutron_radiation
Topics referred to by the same term
timing Time-domain reflectometry, a measuring method Time-domain reflectometer, an instrument used for time-domain reflectometry Throttleable ducted
TDR
Topics referred to by the same term
Standard score, a quantity derived from the raw score Single colour reflectometry (SCORE), an optical technique for monitoring biomolecular interactions
Score
Topics referred to by the same term
UTDR may refer to: Ultrasonic time-domain reflectometry, an imaging technique Undertale and Deltarune, two video games created by Toby Fox This disambiguation
UTDR
Multi-disciplinary research facility in Lund, Sweden
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
European_Spallation_Source
Mirror-like wave reflection
mirrors are used to enhance the specular reflection of atoms. Neutron reflectometry uses specular reflection to study material surfaces and thin film interfaces
Specular_reflection
2024 Indian earth-observation satellite
Optical Infrared Payload (EOIR), SAC, Global Navigation Satellite System- Reflectometry payload (GNSS-R), SAC and SiC UV Dosimeter, LEOS. EOIR payload is to
EOS-08
Potential energy of water per unit volume relative to water in known conditions
electrical resistance gypsum block, neutron probes, or time-domain reflectometry (TDR) can be used to determine soil water potential energy. Tensiometers
Water_potential
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Neutron_backscattering
Road bridge in Genoa, Italy
minutes of a February 2018 government meeting report that resistance and reflectometry measurements indicated an "average" reduction of the cross-section of
Ponte_Morandi
carbon storage in forests and a pair of HydroGNSS satellites for GNSS reflectometry, the first Scout-type mission of the programme. Furthermore, the ESA-supported
2025_in_spaceflight
Semi-analytic method of computational electromagnetism
perfectly matched layers. RCWA analysis applied to a polarized broadband reflectometry measurement is used within the semiconductor power device industry as
Rigorous coupled-wave analysis
Rigorous_coupled-wave_analysis
Subfield of control engineering
fault. A good example of signal processing based FDI is time domain reflectometry where a signal is sent down a cable or electrical line and the reflected
Fault_detection_and_isolation
Quantum mechanical waves describing matter
sensitivity to light elements, isotopes and magnetic moments. Neutron reflectometry is a neutron diffraction technique for measuring the structure of thin
Matter_wave
Transoceanic communication line placed on the seabed
such as through spread-spectrum time-domain reflectometry (SSTDR), a type of time-domain reflectometry that can be used in live environments very quickly
Submarine communications cable
Submarine_communications_cable
Failure of the soldering process on printed circuit boards
may require use of X-rays or EOTPR (Electro Optical Terahertz Pulse Reflectometry), since the solder joints are hidden between the integrated circuit
Head-in-pillow_defect
2024 American resupply spaceflight to the ISS
snow depth. This technique, known as P-band signals of opportunity reflectometry, is effective because it can penetrate vegetation and provide accurate
SpaceX_CRS-30
Research reactor in Daejeon, South Korea
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
High-Flux Advanced Neutron Application Reactor
High-Flux_Advanced_Neutron_Application_Reactor
Interferometer using neutron diffraction to make precise measurements
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Neutron_interferometer
Defect that causes abnormal electric current
Cynthia and Gunther, Jacob. "Analysis of Spread Spectrum Time Domain Reflectometry for Wire Fault Location." IEEE Sensors Journal. December, 2005. Edward
Electrical_fault
Research nuclear reactor in Australia
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Open-pool Australian lightwater reactor
Open-pool_Australian_lightwater_reactor
Physics research institute in Russia
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Joint Institute for Nuclear Research
Joint_Institute_for_Nuclear_Research
Quantity of water contained in a material
include: time-domain reflectometry (TDR), neutron probe, frequency domain sensor, capacitance probe, amplitude domain reflectometry, electrical resistivity
Water_content
Kinetic energy of an unbound neutron
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Neutron_temperature
Manufacturing process used to create integrated circuits
processing steps. For example, thin film metrology based on ellipsometry or reflectometry is used to tightly control the thickness of gate oxide, as well as the
Semiconductor device fabrication
Semiconductor_device_fabrication
Mathematical method used in optics and acoustics
The absorbed power is A = 1 − R − T {\displaystyle A=1-R-T} Neutron reflectometry Ellipsometry Jones calculus X-ray reflectivity Scattering-matrix method
Transfer-matrix method (optics)
Transfer-matrix_method_(optics)
Instrument to measure soil water content
volumetric water content (soil moisture) include: Frequency Domain Reflectometry (FDR soil moisture sensor): Measuring the impedance by applying a measuring
Soil_moisture_sensor
Taiwanese weather satellite
It can collect sea surface data to derive wind speed using a GNSS reflectometry sensor. The English name TRITON comes from the Greek mythology messenger
TRITON
Accelerator-based neutron source in Oak Ridge, Tennessee, US
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Spallation_Neutron_Source
Garching, Germany V4 at Helmholtz Zentrum Berlin Polarized neutron reflectometry allows probing magnetic thin films and ultra-thin films. The polarized
Neutron_magnetic_imaging
Study of motions and interactions of neutrons
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Neutron_transport
Accumulation and adhesion of molecules to a surface without penetration
adsorbed on surfaces include radio-labelling, Lowry assay, scanning angle reflectometry, total internal reflection fluorescence, bicinchoninic acid assay etc
Protein_adsorption
Property of paint
is due to the ease of calculating these constants using the optical reflectometry (measurement of just one application of paint with incomplete hide on
Hiding_power
Device that emits neutrons
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Neutron_source
Measure of structures from around 20 to 2000 nm in size
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Spin echo small angle neutron scattering
Spin_echo_small_angle_neutron_scattering
Measure of neutron interaction likelihood
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Neutron_cross_section
Analysis method for circuits undergoing electrostatic discharge
emulates an electro-static discharge event, but employing time-domain reflectometry (TDR), the change in DUT impedance can be monitored as a function of
Transmission-line_pulse
Spreading the frequency domain of a signal
Orthogonal variable spreading factor (OVSF) Spread-spectrum time-domain reflectometry Time-hopping spread spectrum Ultra-wideband Torrieri, Don (2018). Principles
Spread_spectrum
Australian chemist
measurements of the oil-water interface using ellipsometry, X-ray or neutron reflectometry, or other experimental methods. Related research investigates nanoparticle
John_White_(chemist)
American electrical engineer
for his contributions to millimeter-wave spectroscopy, imaging, and reflectometry. "2015 elevated fellow" (PDF). IEEE Fellows Directory. Archived from
Nachappa_Gopalsami
semiconductor packages and integrated circuit devices. THz time-domain reflectometry (TDR) offers significant advantages in imaging resolution compared to
TeraView
Electronics manufacturer
called OMTDR (Orthogonal Multi-tone Time Domain Reflectometry), combines communication and reflectometry to facilitate preventive maintenance and fault
Nicomatic_SA
German nuclear research reactor
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
FRM_II
receiver design, propagation in multi-mode optical fibers, time-domain reflectometry, and the end-to-end modeling of fiber-optic communication systems. Personick
Stewart_D._Personick
High power discharge of electricity
Cynthia and Gunther, Jacob. "Analysis of Spread Spectrum Time Domain Reflectometry for Wire Fault Location Archived 2010-12-31 at the Wayback Machine"
Arc_fault
vessel OT – a well on test OT – off tree OTDR – optical time domain reflectometry OTIP – operational testing implementation plan OTL – operations team
List of abbreviations in oil and gas exploration and production
List_of_abbreviations_in_oil_and_gas_exploration_and_production
Electrical connector designed to work at radio frequencies
Time-domain reflectometry shows reflections due to impedance variations in mated RF connectors.
RF_connector
Method to detect an antigen using an antibody and enzyme
"dry" analysis involves reading of a dried strip by methods such as reflectometry and does not need a reaction containment chamber to prevent spillover
ELISA
Industrial and food chemical
"Crosslinked polydimethylsiloxane exposed to oxygen plasma studied by neutron reflectometry and other surface specific techniques". Polymer. 41 (18): 6851–6863
Polydimethylsiloxane
Type of topological solutions in non-linear sigma models
ion-irradiation step. The lattices are identified with polarized neutron reflectometry and have been confirmed by magnetoresistance measurements. A recent
Skyrmion
Quality control instrument
volume at a specified temperature". www.byk.com. "ASTM D2805 - 11 Standard Test Method for Hiding Power of Paints by Reflectometry". www.astm.org. v t e
Density_cup
Electronic device
resistance techniques. Moisture detection in buildings with time-domain reflectometry (TDR) Water leak detection instrument Water detector "Westminster Group
Water_detector
Optical technique for characterizing thin films
ISBN 0-12-693950-0 H. G. Tompkins and W. A. McGahan, Spectroscopic Ellipsometry and Reflectometry, John Wiley & Sons Inc (1999) ISBN 0-471-18172-2 I. Ohlidal and D. Franta
Ellipsometry
Italian-American engineer
strategic planning of scientific programs for JPL and the development of reflectometry technologies for Global navigation satellite systems. She is the chair
Cinzia_Zuffada
Technique to investigate atomic structures using neutron scattering
neutron beams for time-of-flight experiments. Neutron imaging and neutron reflectometry were also developed, which are powerful tools to analyse surfaces, interfaces
Neutron_diffraction
Induction of radioactivity by neutron radiation
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Neutron_activation
State in which risks associated with aviation are at an acceptable level
ground. However, there are methods, such as spread-spectrum time-domain reflectometry, that can feasibly test live wires on aircraft during flight. Bird strike
Aviation_safety
Neutron number Neutron poison Neutron probe Neutron radiation Neutron reflectometry Neutron reflector Neutron research facility Neutron scattering Neutron
Index_of_physics_articles_(N)
Highly-polished material in particle physics
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Neutron_supermirror
than dormant. In electrical systems and cable systems, time domain reflectometry techniques can be used: pulses are sent down electric wiring and the
Intermittent_fault
monitoring TechDemoSat-1, launched in 2014, completed – joint UKSA-ESA GNSS reflectometry demonstration mission SIMBA, launched in 2020, completed – cubesat mission
List of European Space Agency programmes and missions
List_of_European_Space_Agency_programmes_and_missions
Biological membrane structure
water have been characterized over the past several decades with x-ray reflectometry, neutron scattering, and nuclear magnetic resonance techniques. The
Lipid_bilayer
American engineer and professor
biophysical properties using the surface forces apparatus and neutron reflectometry. Wong joined Boston University as a Clare Boothe Luce Assistant Professor
Joyce_Wong
angles are small. The Yoneda peak is typically observed in off-specular reflectometry and in grazing-incidence small-angle scattering (GISAS), where it is
Yoneda_peak
Method of imaging magnetic fields at microscopic scales
analysis. To date, Scanning Acoustic Microscopy (SAM), Time Domain Reflectometry (TDR) analysis, and Real-Time X-ray (RTX) inspection were the non-destructive
Scanning_SQUID_microscopy
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Prompt gamma neutron activation analysis
Prompt_gamma_neutron_activation_analysis
Physical process
scattering Neutron diffraction Small-angle neutron scattering GISANS Reflectometry Inelastic neutron scattering Triple-axis spectrometer Time-of-flight
Spallation
REFLECTOMETRY
REFLECTOMETRY
REFLECTOMETRY
REFLECTOMETRY
Boy/Male
Egyptian
Humble.
Girl/Female
Hindu, Indian
Pure
Female
English
Anglicized form of Irish Gaelic SÃle, SHEELAGH means "blind."
Boy/Male
Tamil
Brave
Surname or Lastname
Dutch and Scandinavian
Dutch and Scandinavian : from a short form of the personal name Lambrecht or Lempert (see Lambert).English : probably a variant of Lim (see Lui).Southeast Asian : unexplained.
Girl/Female
Anglo Saxon Greek
Innocent.
Boy/Male
German
Renowned Warrior's Son
Boy/Male
Indian
Influence, Commanding, Personality
Boy/Male
Indian, Sanskrit
Splendour; Lighted
Boy/Male
Arabic, Gujarati, Hindu, Indian, Muslim
Independent; Free
REFLECTOMETRY
REFLECTOMETRY
REFLECTOMETRY
REFLECTOMETRY
REFLECTOMETRY