Results 191 to 200 of about 16,325 (263)
Comparison of objective visual quality between SMILE and FS-LASIK in moderate-to-high myopia. [PDF]
Front Med (Lausanne)Zou H +9 more
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Breaking the Cross-Sensitivity Degeneracy in FBG Sensors: A Physics-Informed Co-Design Framework for Robust Discrimination. [PDF]
Sensors (Basel)Yalınbaş F, Yılmaz G.
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Exploring Wavefront Detection in Imaging Systems with Rectangular Apertures Using Phase Diversity. [PDF]
Sensors (Basel)Li Y, Guo J, Liu R.
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Exfoliated Nanographite Inorganic-Based Composite Using Microfluidization. [PDF]
ACS OmegaCiriaco DM +4 more
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Evaluation of the Occlusion Break Surge Volume in Five Different Phacoemulsification Systems. [PDF]
Clin OphthalmolYalamanchili S +3 more
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Cross-fringe piston sensor for segmented optics
Applied Optics, 2022 This paper presents a simple slit-mask-based sensing scheme that can be applied to a robust piston error sensor for segmented optical systems, even in space. Utilizing crossed fringes generated from multiple double-slit pairs, the sensor simultaneously detects multiple points in a segmented optical system in one shot. The experiments tested six pistons
Seichi Sato, Tadahito Mizutani
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Considerations about the differential piston for adaptive optics interferometry
SPIE Proceedings, 2000 This contribution extends a previous work where the concept of piston angular anisoplanatism was introduced and the issue of sky-coverage for large ground-based optical interferometers was raised. We obtain expressions for the temporal power spectra of phase fluctuations caused by differential piston and photon noise.
Bruno Femenía +3 more
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Physical Review A, 1986
We report an experimental and theoretical study of the optical piston, a consequence of the phenomenon of light-induced drift (LID), observed in binary mixtures of Na vapor and a buffer gas. Good agreement has been found between experiment and existing theory as far as the shape of the Na density profile in the piston is concerned.
, Werij, , Haverkort, , Woerdman
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We report an experimental and theoretical study of the optical piston, a consequence of the phenomenon of light-induced drift (LID), observed in binary mixtures of Na vapor and a buffer gas. Good agreement has been found between experiment and existing theory as far as the shape of the Na density profile in the piston is concerned.
, Werij, , Haverkort, , Woerdman
openaire +2 more sources
Journal of Modern Optics, 2001
Abstract Light-driven electron transitions between different traps in the direction opposite to an electric force eE (e is the electron charge and E is the static electric field) are studied. We show that in Ge-doped silica fibres the electrons are transfered predominantly between different Ge centres at concentrations ≥ 10 mol.% and dominate over the ...
V. B. Antonyuk, B. P. Antonyuk
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Abstract Light-driven electron transitions between different traps in the direction opposite to an electric force eE (e is the electron charge and E is the static electric field) are studied. We show that in Ge-doped silica fibres the electrons are transfered predominantly between different Ge centres at concentrations ≥ 10 mol.% and dominate over the ...
V. B. Antonyuk, B. P. Antonyuk
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Physical Review Letters, 1999
Light-induced drift of optically active atoms in a buffer gas is a consequence of the unequal diffusive frictions suffered by the excited and the ground-state atoms. This drift can be used to create an "optical piston," which is best observed when the piston action is confined to a one-dimensional motion.
S. Dattagupta, R. Ghosh, J. Singh
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Light-induced drift of optically active atoms in a buffer gas is a consequence of the unequal diffusive frictions suffered by the excited and the ground-state atoms. This drift can be used to create an "optical piston," which is best observed when the piston action is confined to a one-dimensional motion.
S. Dattagupta, R. Ghosh, J. Singh
openaire +1 more source