Two-port connecting-layer-based sandwiched grating by a polarization-independent design
Scientific Reports, 2017 In this paper, a two-port connecting-layer-based sandwiched beam splitter grating with polarization-independent property is reported and designed. Such the grating can separate the transmission polarized light into two diffraction orders with equal ...
Hongtao Li, Bo Wang
doaj +1 more source
Perfect Chirped Echelle Grating Wavelength Multiplexor: Design and Optimization
IEEE Photonics Journal, 2013 A new method for designing an echelle-type diffraction grating for wavelength division multiplexing (WDM), which is tuned to a single stigmatic point, is introduced.
Richard J. Lycett +2 more
doaj +1 more source
Inverse Electromagnetic Diffraction by Biperiodic Dielectric Gratings [PDF]
, 2016 Consider the incidence of a time-harmonic electromagnetic plane wave onto a biperiodic dielectric grating, where the surface is assumed to be a small and smooth perturbation of a plane. The diffraction is modeled as a transmission problem for Maxwell's equations in three dimensions.
arxiv +1 more source
Generation of diffraction-free petallike beams based on stationary phase principle
Results in Physics, 2022 Lately, a kind of so-called “combined half-integer Bessel-like beams,” in which their subfamilies include radial carpet, petallike, and ringlike vortex beams, has been generated using a radial periodic grating.
Ning Gong +5 more
doaj
Time-violating rotation of the electromagnetic wave polarization plane by a diffractional grating [PDF]
arXiv, 1997 The equations describing the T-violating photon scattering by a diffraction grating have been obtained. It is shown, that the T-violating rotation of the photon polarization plane appear under diffraction in a noncenter symmetrical diffraction grating.
arxiv
Surface-plasmon-enhanced strain-wave-induced optical diffraction changes from a segmented grating
Photoacoustics, 2023 We report on surface-plasmon-polariton-enhanced (SPP-enhanced), strain-wave-induced reflection and diffraction changes on a Au-covered, segmented grating.
Thomas J. van den Hooven +1 more
doaj
Analysis and Optimization of the Sandwiched Metal-Dielectric Polarizing Beam Splitter Grating
IEEE Photonics Journal, 2016 A reflective sandwiched polarizing beam splitter (PBS) grating with a connecting layer in Littrow mounting is described and designed in this paper. By using two-beam-interference theory for a modal method, a duty cycle and a period of grating can be ...
Hongtao Li, Bo Wang
doaj +1 more source
Laser Interferometry for Broad Area SPR-Grating Couplers in Chemical Applications
Proceedings, 2017 In this work, the fabrication of a SPR (Surface Plasmon Resonance)-grating coupler using Laser Interference Lithography (LIL) has been investigated, giving rise to large area diffraction gratings on a 100 nm-thick gold film. The period of the diffraction
Mauricio Moreno-Sereno +8 more
doaj +1 more source
An Ultra-High-SMSR External-Cavity Diode Laser with a Wide Tunable Range around 1550 nm
Applied Sciences, 2019 In this paper, a widely tunable external cavity diode laser (ECDL) with an ultra-high side mode suppression ratio (SMSR) was fabricated. Three configurations were constructed to investigate the relationship between the grating features and the SMSR. When
Yan Wang +8 more
doaj +1 more source
, 1998 We consider an optical diffraction grating in which the spatial distribution of open slits forms a fractal set. The Fraunhofer diffraction patterns through the fractal grating are obtained analytically for the simplest triad Cantor type and its generalized version. The resulting interference patterns exhibit characteristics of the original fractals and
Bak, Dongsu +4 more
openaire +2 more sources