Results 11 to 20 of about 806 (172)

Reducing complexity in photonic simulations: ZenScat — an efficient 2D RCWA solver

open access: yesSoftwareX
We present a comprehensive solver implementation of a 2D Rigorous Coupled Wave Analysis (RCWA), tailored specifically for conformal thin multilayer devices and 2D photonic crystals with arbitrary interface profiles.
I. Lukosiunas   +2 more
doaj   +3 more sources

Fourier ellipsometry – an ellipsometric approach to Fourier scatterometry [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2015
An extension of Fourier scatterometry is presented, aiming at increasing the sensitivity by measuring the phase difference between the reflections polarized parallel and perpendicular to the plane of incidence.
Petrik P.   +7 more
doaj   +1 more source

Phase retrieval between overlapping orders in coherent Fourier scatterometry using scanning [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2013
Non-interferometric phase retrieval from the intensity measurements in Coherent Fourier Scatterometry (CFS) is presented using a scanning focused spot.
Kumar N.   +4 more
doaj   +1 more source

Efficient Rigorous Coupled-Wave Analysis Simulation of Mueller Matrix Ellipsometry of Three-Dimensional Multilayer Nanostructures

open access: yesNanomaterials, 2022
Mueller matrix ellipsometry (MME) is a powerful metrology tool for nanomanufacturing. The application of MME necessitates electromagnetic computations for inverse problems of metrology determination in both the conventional optimization process and the ...
Hoang-Lam Pham   +4 more
doaj   +1 more source

Two‐dimensional synthetic aperture imaging of targets behind reinforced concrete walls

open access: yesIET Radar, Sonar & Navigation, 2022
Synthetic aperture imaging of targets closely behind a reinforced concrete wall, modelled by a periodic structure by using the proper Green's function (GF) of the structure, is studied.
Alireza Ghobadi‐Rad   +2 more
doaj   +1 more source

Efficient Rigorous Coupled-Wave Analysis Without Solving Eigenvalues for Analyzing One-Dimensional Ultrathin Periodic Structures

open access: yesIEEE Access, 2020
Based on the first-order Taylor expansion, an efficient Rigorous Coupled-Wave Analysis (RCWA) for one-dimensional ultrathin periodic structures is proposed in this paper.
Jie Li   +8 more
doaj   +1 more source

Study on Two-Dimensional Exit Pupil Expansion for Diffractive Waveguide Based on Holographic Volume Grating

open access: yesApplied Sciences, 2023
Diffraction gratings are becoming a preferred option for waveguide head-mounted in–out coupling devices due to their flexible optical properties and small size and light weight.
Mianhui Weng   +3 more
doaj   +1 more source

A Photolithography Process Design for 5 nm Logic Process Flow

open access: yesJournal of Microelectronic Manufacturing, 2019
With the introduction of EUV lithography, the photolithographic process in 5 nm logic process can be simplified to use mostly single exposure method. In a typical 5 nm logic process, the contact-poly pitch (CPP) is 44-50 nm, the minimum metal pitch (MPP)
Qiang Wu   +3 more
doaj   +1 more source

A 1 × 2 Two-Dimensional Slanted Grating Based on Double-Layer Cylindrical Structure

open access: yesApplied Sciences, 2023
Diffraction gratings play an increasingly important role in various planar optical systems, such as near-eye display systems for virtual reality (VR) and augmented reality (AR). The slanted gratings have more advantages than other elements.
Yuda Chen   +5 more
doaj   +1 more source

Numerical Modeling of Sub-Wavelength Anti-Reflective Structures for Solar Module Applications

open access: yesNanomaterials, 2014
This paper reviews the current progress in mathematical modeling of anti-reflective subwavelength structures. Methods covered include effective medium theory (EMT), finite-difference time-domain (FDTD), transfer matrix method (TMM), the Fourier modal ...
Katherine Han, Chih-Hung Chang
doaj   +1 more source

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