Results 81 to 90 of about 1,870,110 (224)
QUALITY ASSESSMENT OF MULTIFOCAL DIFFRACTIVE LENS IMAGES
Приборы и методы измерений, 2015 The method of trifocal diffractive lens images quality assessment in the presence of the background illumination is proposed. The background component with nonuniform intensity distribution is modeled.
V. G. Kolobrodov +2 more
doaj
Офтальмохирургия, 2009 Purpose To assess the functional results of implantation of bifocal diffractiverefractive and monofocal lenses. Material and methods Long-term visual functions in patients with bifocal diffractive-refractive lenses (MIOL-Accord, AcrySof Restor ®)
Kh.P. Takhchidi +2 more
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Coherent Diffractive Imaging Using Randomly Coded Masks
, 2015 Coherent diffractive imaging (CDI) provides new opportunities for high resolution X-ray imaging with simultaneous amplitude and phase contrast. Extensions to CDI broaden the scope of the technique for use in a wide variety of experimental geometries and ...
d'Aspremont, Alexandre +2 more
core +2 more sources
Resonance-domain diffractive lens for the terahertz region.
Optics Letters, 2018 Diffractive optics has long served as the basis of spectroscopic measurements of materials. Operation in the resonance domain further allows these elements to achieve high efficiency and polarization control.
Christian C. Nadell +2 more
semanticscholar +1 more source
Hybrid Space Calibrated 3D Network of Diffractive Hyperspectral Optical Imaging Sensor
SensorsDiffractive multispectral optical imaging plays an essential role in optical sensing, which typically suffers from the image blurring problem caused by the spatially variant point spread function.
Hao Fan +7 more
doaj +1 more source
Applied Sciences, 2019 A liquid crystal on silicon spatial light modulator (LCoS SLM) with large phase modulation has been thoroughly characterized to operate optimally with several linear phase modulation ranges (π, 2π, 3π, 4π, 6π, and 8π) for an
Elisabet Pérez-Cabré +1 more
doaj +1 more source
DESIGN OF ATHERMALIZED INFRARED LENSES INVOLVING DIFFRACTIVE OPTICAL ELEMENTS [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2018 The paper considers the problem of infrared athermalized lenses design involving a restricted list of materials. We analyzed thermo-optical properties of the materials, working in long-wave infrared range, and analysis results are presented.
Garshin A.S., Andreev K.A.
doaj +1 more source
Non-paraxial design and fabrication of a compact OAM sorter in the telecom infrared
, 2019 A novel optical device is designed and fabricated in order to overcome the limits of the traditional sorter based on log-pol optical transformation for the demultiplexing of optical beams carrying orbital angular momentum (OAM).
Girardi, Marcello +5 more
core +1 more source
Lasers in Surgery and Medicine, 2016 Picosecond lasers have been reported to be effective for removal of tattoo pigment. This prospective study evaluated the efficacy and safety of the treatment of peri‐oral and ‐ocular wrinkles using a novel diffractive lens array coupled with a picosecond
R. Weiss +5 more
semanticscholar +1 more source
, 2018 We present a numerical method for the accurate and efficient simulation of strongly localized light sources, such as quantum dots, embedded in dielectric micro-optical structures.
Burger, Sven +5 more
core +1 more source