Results 191 to 200 of about 2,868 (259)

In Vitro Evaluation of Multifocal Intraocular Lenses Based on the Point Spread Function: Optical Performance and Halo Formation. [PDF]

J Clin Med
Martínez-Espert A, García-Delpech S, Furlan WD.   +2 more
europepmc   +1 more source

A diffractive element-based chromatic confocal thickness measurement device and thickness correction method. [PDF]

iScience
Li Z, Zhang Z, Liu K, Zhang H, Kong Y, Ye X, Tang X.   +6 more
europepmc   +1 more source

Computational optical sectioning in Fresnel incoherent correlation holography. [PDF]

Sci Rep
Anand V, Rosen J.
europepmc   +1 more source

Optical and simulated visual outcomes of two presbyopia-correcting intraocular lenses tested in clinically relevant decentration and tilt conditions. [PDF]

Biomed Opt Express
Cuellar F, Vega F, Madrid D, Alfonso JF, Millan MS.   +4 more
europepmc   +1 more source

High computational density nanophotonic media for machine learning inference. [PDF]

Nat Commun
Zhao Z, Pan Y, Xiang J, Zhang Y, He A, Zhao Y, Chen Y, He Y, Fang X, Su Y, Gu M, Guo X.   +11 more
europepmc   +1 more source

Optical Full Adder Based on Integrated Diffractive Neural Network. [PDF]

Micromachines (Basel)
Deng C, Wang Y, Li G, Zheng J, Liu Y, Wang C, Wang Y, Guo Y, Fan J, Du Q, Yu S.   +10 more
europepmc   +1 more source

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Computer-generated stratified diffractive optical elements

Applied Optics, 2003
We present what is to our knowledge a new type of diffractive optical element (DOE), the computer-generated stratified diffractive optical element (SDOE), a hybridization of thin computer-generated DOEs and volume holograms. A model and several algorithms for calculating computer-generated SDOEs are given.
Borgsmüller, Stefan, Noehte, Steffen, Dietrich, Christoph H., Kresse, Tobias, Männer, Reinhard   +4 more
openaire   +3 more sources

New diffractive optical elements

SPIE Proceedings, 1993
Two classes of DOE in which fabrication is based on the technology used in microelectronics are considered: multiorder binary-phase (Dammann) gratings, and diffractive aberration correctors. Calculating the structure of the element is necessary to take into account the unavoidable technological deviations from the theoretical profile.
Sergei T. Bobrov, Boris N. Kotletsov, Yuri G. Turkevich   +2 more
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Multilayer technology for diffractive optical elements

Applied Optics, 1996
The proposed multilayer technology makes it possible to approximate a continuous phase distribution by discrete phase steps. Compared with binary techniques, a higher diffraction efficiency can be achieved. In most known processes a bulk substrate is used and etched directly; therefore it is difficult to control the height of the phase steps.
B, Goebel, L L, Wang, T, Tschudi
openaire   +2 more sources