Results 51 to 60 of about 655 (123)

Proof-of-concept Talbot–Lau x-ray interferometry with a high-intensity, high-repetition-rate, laser-driven K-alpha source

, 2020
International audienceTalbot-Lau x-ray interferometry is a grating-based phase-contrast technique, which enables measurement of refractive index changes in matter with micrometric spatial resolution.
Bouffetier, V., Ceurvorst, L., Valdivia, M., Stutman, D., Dorchies, F., Casner, A., Hulin, S., Goudal, T.   +7 more
core   +1 more source

Raw_Data.rar

, 2023
This raw data is from the article ' High energy X-ray Talbot-Lau interferometer employing a microarray anode-structured target source to extend the field of view'
Qisi Lin (16477950)
core   +1 more source

Non-binary phase gratings for x-ray imaging with a compact Talbot interferometer

, 2014
X-ray imaging using a Talbot-Lau interferometer, consisting of three binary gratings, is a well-established approach to acquire x-ray phase-contrast and dark-field images with a polychromatic source.
Tapfer, Arne, Meiser, Jan, Potdevin, Guillaume, Pfeiffer, Franz, Wolf, Johannes, Malecki, Andreas, Bech, Martin, Mohr, Juergen, Biernath, Thomas, Yaroshenko, Andre, Schüttler, Markus, Kunka, Danays, Amberger, Maximilian   +12 more
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Realisierung von optischen Talbot- und Talbot-Lau-Teppichen

, 2010
In den letzten Jahren haben Talbot- und Talbot-Lau-Effekte, zwei Beugungseffekte im optischen Nahfeld, zunehmend an Bedeutung gewonnen und Anwendung in mehreren Bereichen der modernen Physik gefunden.
Tomandl, Mathias
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Imaging lattice switching with Talbot effect in reconfigurable non-Hermitian photonic graphene

, 2022
International audienceBy taking advantage of the optical induction method, a non-Hermitian photonic graphene lattice is efficiently established inside an atomic vapor cell under the condition of electromagnetically induced transparency.
Ning, Shaohuan, Solnyshkov, Dmitry, Xu, Zhongfeng, Zhang, Yanpeng, Zhang, Zhaoyang, Malpuech, Guillaume, Xiao, Min, Feng, Yuan   +7 more
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Characterization of medical and biological samples with a Talbot–Lau grating interferometer μXCT in comparison to reference methods

, 2016
Talbot–Lau grating interferometry is a new innovative X-ray technology in the field of radiography and computed tomography that extends the imaging capabilities of absorption contrast (AC) in medicine and material science by the introduction of ...
Kastner, Johann, Birkfellner, Wolfgang, Hunger, Stefan, Gusenbauer, Christian, Mathmann, Katrin, Leiss-Holzinger, Elisabeth, Senck, Sascha   +6 more
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Fluid flow analysis by a modified, white light, Lau interferometer

, 2002
This paper presents a sharp focussing schlieren system based upon a modified Lau interferometer. A method of reducing the depth of focus of the system is demonstrated and the development of the system to study large fields of view by theincorporation of ...
Waddell, Peter, Stickland, M.T., McKay, S., Mason, S., Mair, L.   +4 more
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Correction for mechanical inaccuracies in a scanning Talbot-Lau interferometer

, 2022
Grating-based X-ray phase-contrast and in particular dark-field radiography are promising new imaging modalities for medical applications. Currently, the potential advantage of dark-field imaging in early-stage diagnosis of pulmonary diseases in humans ...
Franz Pfeiffer (13512137), Wolfgang Noichl (13854049), Schick, Rafael, Hanns-Ingo Maack (13854366), Manuela Frank (13854344), Bernd Lundt (13854371), Noichl, Wolfgang, Bernhard Gleich (13854353), Lundt, Bernd, Herzen, Julia, Urban, Theresa, De Marco, Fabio, Hehn, Lorenz, Bernhard Renger (13854372), Engel, Klaus-Jürgen, Thomas Koehler (13512134), Koehler, Thomas, Fabio De Marco (13854225), Alex Gustschin (13854362), Willer, Konstantin, Fingerle, Alexander, Frank, Manuela, Lorenz Hehn (13854359), Gustschin, Alex, Maack, Ingo, Renger, Bernhard, Pfeiffer, Franz, Julia Herzen (13854380), Pascal Meyer (13854363), Klaus-Jürgen Engel (13854368), Rummeny, Ernst, Rafael Schick (13854347), Ernst Rummeny (13854379), Alexander Fingerle (13854374), Daniela Pfeiffer (13854377), Meyer, Pascal, Gleich, Bernhard, Pfeiffer, Daniela, Theresa Urban (13854222), Konstantin Willer (13854341)   +39 more
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Laser Tracker

, 1990
In 1987 National Institute of Standards and Technology (NIST) scientist Kam Lau developed the first laser tracking interferometer combined with a servo system that allows the laser to track a moving target and measure the distance and angle of the target.
Lau, Kam
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Efficient phase imaging using wavelength-resolved neutron Talbot-Lau interferometry with TOF method

, 2018
For efficient differential-phase-contrast imaging, we have demonstrated the wavelength-resolved neutron Talbot-Lau interferometry with the wavelength resolution of 0.11 Å over a wide wavelength range of 2.5–7.5 Å at RADEN in the J-PARC Materials and Life
Tetsuo Samoto, Wataru Yashiro, Atsushi Momose, Takenao Shinohara, Yoshichika Seki, Joseph D. Parker, Wakana Ueno, Yoshiaki Kiyanagi, Yoshie Otake   +8 more
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