Validation of pencil beam scanning proton therapy with multi‐leaf collimator calculated by a commercial Monte Carlo dose engine
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13817
Abstract: Abstract This study aimed to evaluate the clinical beam commissioning results and lateral penumbra characteristics of our new pencil beam scanning (PBS) proton therapy using a multi‐leaf collimator (MLC) calculated by use of a commercial… read more here.
Keywords: collimator; multi leaf; beam; beam scanning ... See more keywords
Design of a beam scanning metamaterial antenna with polarization transform for high‐power microwave application
Sign Up to like & getrecommendations! Published in 2020 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32443
Abstract: An all‐metal beam scanning metamaterial antenna with polarization transform based on the concept of Risley prism is presented in this paper. The antenna is composed of a feed source and three different all‐metal metamaterial lenses.… read more here.
Keywords: antenna; scanning metamaterial; beam; metamaterial antenna ... See more keywords
A Monte‐Carlo‐based and GPU‐accelerated 4D‐dose calculator for a pencil beam scanning proton therapy system
Sign Up to like & getrecommendations! Published in 2018 at "Medical Physics"
DOI: 10.1002/mp.13182
Abstract: PURPOSE The presence of respiratory motion during radiation treatment leads to degradation of the expected dose distribution, both for target coverage and healthy tissue sparing, particularly for techniques like pencil beam scanning proton therapy which… read more here.
Keywords: pencil beam; beam scanning; scanning proton; delivery ... See more keywords
Clinical outcomes of head and neck adenoid cystic carcinoma patients treated with pencil beam-scanning proton therapy.
Sign Up to like & getrecommendations! Published in 2020 at "Oral oncology"
DOI: 10.1016/j.oraloncology.2020.104752
Abstract: OBJECTIVE The aim of this study was to evaluate the outcome of patients with head and neck adenoid cystic carcinoma (ACC) treated using pencil beam scanning proton therapy (PBS PT) at our institution. MATERIALS AND… read more here.
Keywords: pencil beam; beam scanning; neck adenoid; head neck ... See more keywords
Motion effects in proton treatments of hepatocellular carcinoma-4D robustly optimised pencil beam scanning plans versus double scattering plans.
Sign Up to like & getrecommendations! Published in 2018 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/aaecfc
Abstract: Pencil beam scanning (PBS) proton therapy enables better dose conformality for complex anatomical geometries than passive proton scattering techniques, but is more susceptible to organ motion. This becomes an issue when treating moving tumours in… read more here.
Keywords: pencil beam; hepatocellular carcinoma; motion; beam scanning ... See more keywords
Ultra-fast, high spatial resolution single-pulse scintillation imaging of synchrocyclotron pencil beam scanning proton delivery
Sign Up to like & getrecommendations! Published in 2023 at "Physics in Medicine and Biology"
DOI: 10.1088/1361-6560/acb753
Abstract: Objective. To demonstrates the ability of an ultra-fast imaging system to measure high resolution spatial and temporal beam characteristics of a synchrocyclotron proton pencil beam scanning (PBS) system. Approach. An ultra-fast (1 kHz frame rate),… read more here.
Keywords: beam; beam scanning; ultra fast; pencil beam ... See more keywords
Millimeter-Wave Frequency Beam Scanning Array With a Phase Shifter Based on Substrate-Integrated-Waveguide
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2018.2866850
Abstract: In this paper, a millimeter-wave multi-folded frequency-dependent progressive phase shifter based on substrate-integrated-waveguide (SIW) is proposed. The equations based on SIW TE10 mode characteristic are applied to design the parameters of the phase shifter. An… read more here.
Keywords: phase; phase shifter; beam scanning; millimeter wave ... See more keywords
Fixed Frequency Beam-Scanning HMSIW-Based Leaky-Wave Antenna Composed of Circular Slots in V-Shape Configuration
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3070195
Abstract: A new reconfigurable slotted antenna is presented in this manuscript. The proposed antenna is realized on a half-mode substrate integrated waveguide (HMSIW). The beam-steering is achieved using embedded varactor diodes in circular cells. Sweeping the… read more here.
Keywords: frequency beam; proposed antenna; fixed frequency; beam ... See more keywords
Multi-beam scanning antenna system based on beamforming metasurface for fast 5G NR initial access
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3183754
Abstract: Fifth-generation (and beyond) networks are characterized by ever more demanding requirements in terms of speed, bandwidth, and number of servable users. Fast and reliable access to the main network is mandatory, requiring technologies and procedures… read more here.
Keywords: system; beam scanning; beamforming metasurface; initial access ... See more keywords
Implementation of Digital Beamforming System for Microwave Power Transfer With Real-Time Beam Scanning
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3253205
Abstract: In this study, we propose a digital beamforming system for microwave power transfer with a real-time beam-scanning algorithm for tracking a moving receiver. To perform scanning, each channel in the transmitter generates and converts a… read more here.
Keywords: system; beam; beam scanning; microwave power ... See more keywords
A Compact Beam-Scanning Leaky-Wave Antenna With Improved Performance
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2018.2817478
Abstract: A compact microstrip leaky-wave antenna (MLWA) with reduced sidelobe level and increased linear frequency-scanning capability is proposed in this letter. Symmetric Yagi-like elements are introduced, which reduce the sidelobe level by radiating the remaining power… read more here.
Keywords: leaky wave; beam scanning; wave antenna; compact beam ... See more keywords