Results 71 to 80 of about 3,049 (262)
Understanding Interfacial Photoswitching Mechanisms in Atomically‐Thin TMD‐Spiropyran Hybrids
Advanced Materials Technologies, EarlyView.Photochromic molecules can effectively modulate the optoelectronic properties of atomically thin transition metal dichalcogenide semiconductors. Spiropyran that switches its chemical configuration upon alternating UV and visible irradiation enables light‐programmable optoelectronic devices.
Sewon Park +8 more
wiley +1 more source
Electronically Tunable Antenna Pair and Novel RF Front-End Architecture for Software-Defined Radios
EURASIP Journal on Advances in Signal Processing, 2005 This paper proposes a novel RF front-end architecture for software-defined radios (SDRs) based on an electronically tunable antenna pair controlled by an antenna control unit (ACU) consisting of field effect transistor (FET) switches and a field ...
Oh Sung-Hoon +5 more
doaj +1 more source
RHOMBUS SHAPED RECONFIGURABLE MICROSTRIP ANTENNA FOR CDMA WIRELESS APPLICATIONS [PDF]
ICTACT Journal on Communication Technology, 2015 Rhombus Shaped Reconfigurable microstrip antenna is designed to operate at 1.74GHz. The proposed antenna is a Rhombus shaped microstrip antenna which gives a good size reduction with good impedance bandwidth in terms of with and without capacitor.
K. Madhusudhana, S. Jagadeesha
doaj
IEEE Access, 2018 In this paper, a novel microstrip feedline-based dual-band frequency reconfigurable multipleinput multiple-output (MIMO) patch-slot antenna design is presented.
Xiongwen Zhao, Sharjeel Riaz
doaj +1 more source
Advanced Materials Technologies, EarlyView.Direct nanoscratching with a 500 nm diamond lapping film creates groove‐guided liquid‐crystal alignment interfaces on PCB‐compatible Cu‐patterned RF substrates within minutes, eliminating polymer coating and high‐temperature baking. The coating‐free process enables optical/molecular alignment validation and voltage‐programmable 28 GHz reflection‐phase ...
Junseok Ma +5 more
wiley +1 more source
An Overview of Polarization, Frequency and Beam Reconfigurable Antennas
IEEE AccessReconfigurable antennas dynamically alter intrinsic radiation parameters such as polarization, operating frequency, and beam steering. Their relevance has rapidly increased in recent years to support multiple satellite constellations and to mitigate ...
Filipa Antunes +3 more
doaj +1 more source
Programmable Pneumatic Actuator System for a Bioinspired Artificial Colon
Advanced Materials Technologies, EarlyView.A modular soft robotic colon simulator driven by programmable pneumatic actuation is developed to mimic physiological and pathological‐like motility patterns of the large intestine. Finite element–guided design and distributed control enable anatomically realistic deformation for peristalsis, segmentation, and mass movements, supporting capsule ...
Andrew Bickerdike +6 more
wiley +1 more source
Review on Multifunctional Pattern and Polarization Reconfigurable Antennas
IEEE AccessThis paper presents a detailed review of multifunctional pattern and polarization reconfigurable antennas, highlighting their potential to enhance performance of the wireless communication systems. These adaptable antennas offer versatile functionalities,
Venkataswamy Suryapaga +1 more
doaj +1 more source
Advanced Materials Technologies, EarlyView.A combined experimental and simulation study of light‐responsive liquid crystal elastomer surfaces operating under physiological conditions is reported, demonstrating programmable and highly spatially controlled topography formation through bottom‐side photomask exposure. Our study establishes a foundation for dynamic, light‐responsive biosurfaces with
Ruth M. C. Verbroekken +4 more
wiley +1 more source
On‐Chip Photonic Neural Network Architectures
Advanced Optical Materials, EarlyView.This review presents a comprehensive overview of on‐chip photonic neural network architectures, covering key photonic building blocks, representative network types, and emerging applications. Recent advances, implementation challenges, and future directions are examined, highlighting the potential of integrated photonics to enable ultrafast, energy ...
Seokjin Hong +7 more
wiley +1 more source