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Showing 1 to 12 of 106 entries
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"How much realism is needed?" - the wrong question in silico imagers have been asking.

Medical physics

Badano A.
PMID: 28266047
Med Phys. 2017 May;44(5):1607-1609. doi: 10.1002/mp.12187. Epub 2017 Apr 17.

PURPOSE: To discuss the use of realism as a first approximation for assessing computational imaging methods.METHODS: Although in silico methods are increasingly becoming promising surrogates to physical experimentation for various stages of device development, their acceptance remains challenging. Realism...

Temporal coupled mode theory of standing wave resonant cavities for infrared photodetection.

Optics express

Lesmanne E, De Lamaestre RE, Fowler D, Boutami S, Badano G.
PMID: 25837080
Opt Express. 2015 Mar 23;23(6):7385-99. doi: 10.1364/OE.23.007385.

Standing wave resonating cavities have been proposed in the past to increase the performance of infrared detectors by minimizing the volume of photogeneration, hence the noise, while maintaining the same quantum efficiency. We present an approach based on the...

The FERMI free-electron lasers.

Journal of synchrotron radiation

Allaria E, Badano L, Bassanese S, Capotondi F, Castronovo D, Cinquegrana P, Danailov MB, D'Auria G, Demidovich A, De Monte R, De Ninno G, Di Mitri S, Diviacco B, Fawley WM, Ferianis M, Ferrari E, Gaio G, Gauthier D, Giannessi L, Iazzourene F, Kurdi G, Mahne N, Nikolov I, Parmigiani F, Penco G, Raimondi L, Rebernik P, Rossi F, Roussel E, Scafuri C, Serpico C, Sigalotti P, Spezzani C, Svandrlik M, Svetina C, Trovó M, Veronese M, Zangrando D, Zangrando M.
PMID: 25931057
J Synchrotron Radiat. 2015 May;22(3):485-91. doi: 10.1107/S1600577515005366. Epub 2015 Apr 21.

FERMI is a seeded free-electron laser (FEL) facility located at the Elettra laboratory in Trieste, Italy, and is now in user operation with its first FEL line, FEL-1, covering the wavelength range between 100 and 20 nm. The second...

Method for measuring veiling glare in high-performance display devices.

Applied optics

Badano A, Flynn MJ.
PMID: 18345106
Appl Opt. 2000 May 01;39(13):2059-66. doi: 10.1364/ao.39.002059.

An experimental method for measuring the veiling glare characteristics of display devices is presented. The measured veiling glare ratio (G) is taken to be the luminance in the surrounding bright field divided by the luminance in a dark circle....

Complete destructive interference of partially coherent sources of acoustic waves.

Physical review letters

Basano L, Ottonello P.
PMID: 15904290
Phys Rev Lett. 2005 May 06;94(17):173901. doi: 10.1103/PhysRevLett.94.173901. Epub 2005 May 03.

Theoretical analysis has recently shown that the optical fields from several point sources may exhibit complete destructive interference even if the sources are not fully coherent with respect to each other. The experimental verification of this statement in the...

Multicomponent semiconducting polymer systems with low crystallization-induced percolation threshold.

Nature materials

Goffri S, Müller C, Stingelin-Stutzmann N, Breiby DW, Radano CP, Andreasen JW, Thompson R, Janssen RA, Nielsen MM, Smith P, Sirringhaus H.
PMID: 17128260
Nat Mater. 2006 Dec;5(12):950-6. doi: 10.1038/nmat1779. Epub 2006 Nov 26.

Blends and other multicomponent systems are used in various polymer applications to meet multiple requirements that cannot be fulfilled by a single material. In polymer optoelectronic devices it is often desirable to combine the semiconducting properties of the conjugated...

Speckle-tracking echocardiography: a new technique for assessing myocardial function.

Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine

Mondillo S, Galderisi M, Mele D, Cameli M, Lomoriello VS, Zacà V, Ballo P, D'Andrea A, Muraru D, Losi M, Agricola E, D'Errico A, Buralli S, Sciomer S, Nistri S, Badano L.
PMID: 21193707
J Ultrasound Med. 2011 Jan;30(1):71-83. doi: 10.7863/jum.2011.30.1.71.

Speckle-tracking echocardiography has recently emerged as a quantitative ultrasound technique for accurately evaluating myocardial function by analyzing the motion of speckles identified on routine 2-dimensional sonograms. It provides non-Doppler, angle-independent, and objective quantification of myocardial deformation and left ventricular...

Triggering techniques in triggered photon-counting.

Applied optics

Basano L, Ottonello P.
PMID: 20396296
Appl Opt. 1982 Oct 15;21(20):3677-80. doi: 10.1364/AO.21.003677.

In the measurement of triggered photon-counting distributions (TPCDs) the triggering pulse which starts a collecting interval may be picked up according to different random procedures. We investigate, both theoretically and experimentally, the extent to which TPCDs are affected by...

Use of an intensity threshold to improve the visibility of ghost images produced by incoherent light.

Applied optics

Basano L, Ottonello P.
PMID: 17805364
Appl Opt. 2007 Sep 01;46(25):6291-6. doi: 10.1364/ao.46.006291.

In thermal light ghost imaging, the transparent mask, located in the object arm of the optical setup, is numerically reconstructed by correlating the speckle patterns acquired by the video camera with the output of a bucket detector placed behind...

Modeling speech imitation and ecological learning of auditory-motor maps.

Frontiers in psychology

Canevari C, Badino L, D'Ausilio A, Fadiga L, Metta G.
PMID: 23818883
Front Psychol. 2013 Jun 27;4:364. doi: 10.3389/fpsyg.2013.00364. Print 2013.

Classical models of speech consider an antero-posterior distinction between perceptive and productive functions. However, the selective alteration of neural activity in speech motor centers, via transcranial magnetic stimulation, was shown to affect speech discrimination. On the automatic speech recognition...

High rejection bandpass optical filters based on sub-wavelength metal patch arrays.

Optics express

Le Perchec J, de Lamaestre RE, Brun M, Rochat N, Gravrand O, Badano G, Hazart J, Nicoletti S.
PMID: 21934934
Opt Express. 2011 Aug 15;19(17):15720-31. doi: 10.1364/OE.19.015720.

We report the study of a resonant bandpass filter made of a very thin subwavelength metal patch array coupled to a high index dielectric waveguide. The spectral properties of those filters can easily be tuned by playing on the...

Erratum: "Analytic variance estimates of Swank and Fano factors" [Med. Phys. 41, 072102 (5pp.) (2014)].

Medical physics

Gutierrez B, Badano A, Samuelson F.
PMID: 26520767
Med Phys. 2015 Nov;42(11):6769. doi: 10.1118/1.4932369.

No abstract available.

Showing 1 to 12 of 106 entries