Results 151 to 160 of about 13,728 (209)

Mechanistic interpretations of sustained ventricular fibrillation: The role of mapping methodology, model and time. [PDF]

Heart Int
Tonko JB, Kappadan V, El-Medany A, Aggour H, Zhen H, Birdi A, Pyman E, Barker J, Guichard JB, Clayton RH, Ng FS.   +10 more
europepmc   +1 more source

Reconfigurable acoustic coding metasurface for bidirectional wavefront manipulation across the water-air interface. [PDF]

Fundam Res
Du YL, Zhou HT, Li CY, Shi L, Wang YF, Wang YS.   +5 more
europepmc   +1 more source

Focusing on color: How the eye chooses which wavelength to see best. [PDF]

Sci Adv
Chin BM, Banks MS, Nankivil D, Roorda A, Cooper EA.   +4 more
europepmc   +1 more source

Wavefront Shaping of Scattering Forces Enhances Optical Trapping of Levitated Nanoparticles. [PDF]

Nat Commun
Kleine M, Horodynski M, Rotter S, Amarouchene Y, Louyer Y, Perrin M, Bachelard N.   +6 more
europepmc   +1 more source

Algorithm design for image-based wavefront control without wavefront sensing [PDF]

Optical Instrument Science, Technology, and Applications, 2018
Active optics is an enabling technology for future large space telescopes. Image-based wavefront control uses an image-sharpness metric to evaluate the optical performance. A control algorithm iteratively adapts a corrective element to maximize this metric, without reconstructing the wavefront.
Ulrich Wittrock, Sven Verpoort, Orestis Kazasidis   +2 more
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Active wavefront sensing and wavefront control with SLMs

SPIE Proceedings, 2004
Active systems are becoming more and more prevalent in the the field of optical technology. These systems require not only means of controlling wavefronts but mostly also of sensing wavefronts. This paper shows in four examples how spatial light modulators can be utilized to perform active wavefront sensing and wavefront controlling tasks. The examples
Jan Liesener, Lars Seifert, Hans J. Tiziani, Wolfgang Osten   +3 more
openaire   +1 more source

Stellar Imager: wavefront control

SPIE Proceedings, 2008
Stellar Imager (SI) is a proposed NASA space-based UV imaging interferometer to resolve the stellar disks of nearby stars. SI would consist of 20 - 30 separate spacecraft flying in formation at the Earth-Sun L2 libration point. Onboard wavefront sensing and control is required to maintain alignment during science observations and after array ...
Richard G. Lyon, Kenneth G. Carpenter, Peter Petrone, Peter Dogoda, Daniel Reed, David Mozurkewich   +5 more
openaire   +1 more source