Results 11 to 20 of about 220,487 (206)

Longitudinal Shunt Slot Excitation by Wiggly Ridge Substrate Integrated Waveguide [PDF]

open access: yesJournal of Intelligent Procedures in Electrical Technology, 2014
Application of a substrate integrated waveguide with wiggly ridge shape is presented for excitation longitudinal shunt slot antenna. Two main design equations for design substrate integrated waveguide structure and get parameters of structures, for ...
Mehdi Salemi   +2 more
doaj   +1 more source

Centerline Longitudinal Shunt Slot Excitation by Elliptic shaped single Ridge Waveguide [PDF]

open access: yesJournal of Intelligent Procedures in Electrical Technology, 2011
The Application of elliptic shaped ridge waveguide is presented for excitation of a centreline longitudinal shunt slot antenna. The proposed method is realized by adding elliptic shaped to the ridge of the single ridge waveguide.
Mehdi Moradian   +2 more
doaj   +1 more source

Polymeric slot waveguide interferometers: Dissertation

open access: yes, 2014
Slot waveguide is a specific light-guiding structure with a property to enhance the optical field in a nanometer scale void of low refractive index (RI) material embedded between higher RI material rails. Typically, slot waveguides have been fabricated from high refractive index inorganic dielectrics or semiconductors, such as silicon or silicon ...
Hiltunen, Marianne
core   +7 more sources

Silicon Waveguide Sensors for Carbon Dioxide Gas Sensing in the Mid-Infrared Region

open access: yesPhotonics, 2023
Two optical waveguide sensors based on SOS (silicon-on-sapphire) for detecting CO2 are theoretically proposed. The operational wavelength is 4.23 μm, which is the maximum absorption line of CO2. The power confinement factor (η) value is over 40% and 50%,
Yuxia Song   +5 more
doaj   +1 more source

Experimental Demonstration of Germanium-on-Silicon Slot Waveguides at Mid-Infrared Wavelength

open access: yesIEEE Photonics Journal, 2022
We first demonstrated a slot waveguide based on a Ge-on-Si (GOS) platform with a 3 μm thickness of the Ge in the mid-infrared wavelength range at 4.2 μm.
Jinha Lim   +3 more
doaj   +1 more source

A Uniform Heating Technique for Cavity in Volatile Organic Compound (VOC) Removal System Using Slotted Waveguide Array [PDF]

open access: yesJournal of Electromagnetic Engineering and Science, 2021
In this study, two types of slotted waveguide are designed in the frequency of 2.45 GHz to improve the microwave heating uniformity of a quadrangular prism-shaped cavity in a volatile organic compound (VOC) removal system. Both types adopt the equivalent
Taewoo Yu   +3 more
doaj   +1 more source

Gain Enhancement of the Optical Waveguide Amplifier Based on NaYF4/NaLuF4: Yb, Er NPs-PMMA Integrated with a Si3N4 Slot

open access: yesNanomaterials, 2022
A Si3N4 slot waveguide has the ability to confine light tightly in the slot, shows weak absorption of 980 nm pump light, and has lower transmission loss compared to a Si slot.
Xiao Liu, Meiling Zhang, Guijun Hu
doaj   +1 more source

Antena Slot Waveguide Segi Empat Segala Arah pada Frekuensi 2.4 GHz

open access: yesJurnal Elektronika dan Telekomunikasi, 2016
Antena diharapkan memiliki desain dengan konstruksi yang lebih mudah, murah dan efisien. Antena slot waveguide adalah antena gelombang mikro. Antena ini berupa suatu waveguide yang mempunyai slot–slot membentuk array dan terletak pada dinding waveguide ...
Sri Hardiati   +3 more
doaj   +1 more source

Design and Simulation Investigation of Si3N4 Photonics Circuits for Wideband On-Chip Optical Gas Sensing around 2 µm Optical Wavelength

open access: yesSensors, 2021
We theoretically explore the potential of Si3N4 on SiO2 waveguide platform toward a wideband spectroscopic detection around the optical wavelength of 2 μm.
Natnicha Koompai   +5 more
doaj   +1 more source

Strong modulation instability in a silicon–organic hybrid slot waveguide [PDF]

open access: yes, 2015
In this paper, we investigate the strong modulation instability (MI) at telecommunication band in a silicon-organic hybrid slot waveguide. The organic material of polymer poly (bis para-toluene sulfonate) of 2, 4-hexadiyne 1, 6 diol (PTS), which has high
Zhang, Xianting   +8 more
core   +1 more source

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