Results 11 to 20 of about 2,268,510 (290)

Static Structures in Leaky Mode Waveguides

open access: yesApplied Sciences, 2019
In this work, we suggest a new method of expanding the field of view in bottom-exit, leaky mode devices for transparent, monolithic, holographic, near-eye display.
Daniel Pettingill   +2 more
doaj   +2 more sources

Spurious leaky mode solutions and experimental verification of the second leaky wave [PDF]

open access: yes1999 IEEE MTT-S International Microwave Symposium Digest (Cat. No.99CH36282), 2003
This presents the revelation of spurious leaky mode solutions of the dispersion equation, and experimental confirmation of the occurrence of the second leaky wave on the slotline. The appearance of the spurious improper nonphysical solution instead of the true improper physical mode propagation constant is explained.
J. Zehentner   +4 more
openaire   +3 more sources

Leaky-wave exploration of two-stage switch-on in a nematic pi-cell [PDF]

open access: yes, 2005
The two-stage switch-on dynamics of a nematic pi-cell are explored in detail using a convergent beam fully-leaky guided mode technique. The cell shows an initial switch-on with a time scale in the range several ms to tens of ms (depending on drive ...
J. Roy Sambles (18134055)   +1 more
core   +6 more sources

Leaky modes of dielectric cavities [PDF]

open access: yesSPIE Proceedings, 2016
20 pages, 10 figures, 79 equations, 8 ...
Mansuripur, Masud   +2 more
openaire   +2 more sources

Guiding and Leakage Dispersion Characteristic of TM01Mode in a Circular Dielectric Rod

open access: yesInternational Journal of Antennas and Propagation, 2022
Open dielectric waveguide structures such as circular dielectric rods can be used as antennas by leaking energy in the transverse direction or as guiding structures with low loss in integrated circuits at different frequency ranges.
Ersoy Kelebekler
doaj   +1 more source

Anisotropic leaky-like perturbation with subwavelength gratings enables zero crosstalk

open access: yesLight: Science & Applications, 2023
Electromagnetic coupling via an evanescent field or radiative wave is a primary characteristic of light, allowing optical signal/power transfer in a photonic circuit but limiting integration density. A leaky mode, which combines both evanescent field and
Md Faiyaz Kabir   +5 more
doaj   +1 more source

Wide Band Periodic 2D Leaky-Wave Antenna for Millimeter-Wave Application

open access: yesIEEE Access, 2023
A wideband periodic leaky-wave antenna (LWA) is proposed in this paper. By using lossy dielectric material inside the wedge-like guide as medium for wave propagation, a leaky mode is excited and results in widening the bandwidth.
Abdullah Attar   +2 more
doaj   +1 more source

Large Mode Area Single Mode Fiber with a Twisted Polygon-Shaped Core

open access: yesPhotonics, 2022
We present numerical studies on twisted polygon-shaped core fibers for achieving single mode operation with a large mode area propagation in this paper. These large mode area fibers can achieve single mode operation due to twisting-induced high losses to
Kexiong Sun   +4 more
doaj   +1 more source

Design and fabrication of an all-dielectric grating with top-hat high diffraction efficiency over a broad spectral range [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2007
Between 98% and 100% flat top efficiency –1st order TE diffraction over a 40 nm wavelength range centered at 800 nm can be obtained by an all-dielectric grating structure where the corrugation is etched in a high index layer unlike in the state of the ...
Lyndin N.   +4 more
doaj   +1 more source

A Direct Near-Field Observation of Conversion Between Waveguide Modes and Leaky Modes in Periodic Metal Structures

open access: yesIEEE Access, 2023
In order to directly observe the conversion between guided-wave modes and leaky-wave modes in a periodic structure, quadrilateral periodic metal diaphragms arranged in two ways on metal surfaces were analyzed.
Chia Ho Wu   +13 more
doaj   +1 more source

Home - About - Disclaimer - Privacy