Works matching DE "COLLIMATORS"

Results: 949

Automatic skin flash optimization in breast and chestwall VMAT with static angle modulated ports: Effect of HU and flash margin size on plan quality and robustness.

Published in:

Journal of Applied Clinical Medical Physics, 2025, v. 26, n. 5, p. 1, doi. 10.1002/acm2.70036

By:

Hubley, Emily;
Koger, Brandon;
Li, Taoran;
Salerno, Michael;
Scheuermann, Ryan M.;
Dong, Lei;
Teo, Boon‐Keng Kevin

Publication type:

Article

The effect of multi‐leaf collimator leaf width on VMAT treatment plan quality.

Published in:

Journal of Applied Clinical Medical Physics, 2025, v. 26, n. 5, p. 1, doi. 10.1002/acm2.70018

By:

Peiris, Gregory Sadharanu;
Whelan, Brendan;
Hardcastle, Nicholas;
Sheehy, Suzie Lynn

Publication type:

Article

IROC phantoms accurately detect MLC delivery errors.

Published in:

Journal of Applied Clinical Medical Physics, 2025, v. 26, n. 5, p. 1, doi. 10.1002/acm2.70017

By:

Edward, Sharbacha S.;
Pollard‐Larkin, Julianne M.;
Balter, Peter A.;
Howell, Rebecca M.;
Peterson, Christine B.;
Kry, Stephen F.

Publication type:

Article

Towards a one millimeter thin foil camera.

Published in:

International Journal of Wavelets, Multiresolution & Information Processing, 2022, v. 20, n. 3, p. 1, doi. 10.1142/S0219691320400020

By:

Bimber, Oliver;
Kurmi, Indrajit

Publication type:

Article

Analytical Modeling of a Slit Collimator and Optimization for Small Animal Imaging Applications.

Published in:

Frontiers in Biomedical Technologies, 2024, v. 11, n. 1, p. 149, doi. 10.18502/fbt.v11i1.14521

By:

Malekzadeh, Etesam

Publication type:

Article

Impact of Attenuation Correction, Collimator, and Iterative Reconstruction Protocols on 67Ga SPECT/CT Quantification.

Published in:

Frontiers in Biomedical Technologies, 2024, v. 11, n. 1, p. 94, doi. 10.18502/fbt.v11i1.14516

By:

Rezaei, Sahar;
Farzanehfar, Saeed;
Badrzadeh, Leyla;
Assadi, Faezeh;
Vahidfar, Nasim;
Sheikhzadeh, Peyman

Publication type:

Article

Developing an Analytical Model for Knife-Edge Slit Collimator Optimization for Prompt Gamma Imaging in Proton Therapy.

Published in:

Frontiers in Biomedical Technologies, 2023, v. 10, n. 4, p. 433, doi. 10.18502/fbt.v10i4.13725

By:

Malekzadeh, Etesam

Publication type:

Article

The Estimation of Radiation Dose to Out-of-Field Points of Organs at Risk in Block and MLC Shielded Fields in Lung Cancer Radiation Therapy.

Published in:

Frontiers in Biomedical Technologies, 2023, v. 10, n. 2, p. 188, doi. 10.18502/fbt.v10i2.12223

By:

Momeni, Nastaran Sadat;
Afraydoon, Saeed;
Hamzian, Nima;
Nikfarjam, Abolfazl;
Ghasemabad, Mahmoud Vakili;
Abdollahi-Dehkordi, Sepideh;
Shabani, Masoud;
Dehestani, Mahdi;
Heidari, Adel

Publication type:

Article

Gamma Knife Icon™ Single Sector Characterization Based on Monte Carlo Simulation.

Published in:

Frontiers in Biomedical Technologies, 2023, v. 10, n. 1, p. 14, doi. 10.18502/fbt.v10i1.11507

By:

Ameri, Ali;
Geraily, Ghazale

Publication type:

Article

Evaluation of Conventional Radiographic Systems in Shahid Sadoughi University of Medical Sciences: A Multi-Centric Quality Control Study.

Published in:

Frontiers in Biomedical Technologies, 2021, v. 8, n. 3, p. 211, doi. 10.18502/fbt.v8i3.7116

By:

Masjedi, Hamidreza;
Zamani, Hamed;
Dalvand, Saman;
Zare, Mohammad Hossein

Publication type:

Article

Effect of the curvature of workpiece on thickness measurement accuracy of silver coating electroplated thereon.

Published in:

Electroplating & Finishing, 2022, v. 41, n. 19, p. 1389, doi. 10.19289/j.1004-227x.2022.19.009

By:

SHEN Xiao;
LOU Jin'gang;
YANG Xiaohan;
ZHANG Mingshuai;
LUO Jun

Publication type:

Article

Measurement of the in-air output ratio for high-energy photon beams used in radiotherapy.

Published in:

Turkish Journal of Medical Sciences, 2013, v. 43, n. 3, p. 441, doi. 10.3906/sag-1205-27

By:

APPASAMY, Murugan;
XAVIER, Sidonia Valas;
KUPPUSAMY, Thayalan;
VELAYUDHAM, Ramasubramanian

Publication type:

Article

Dosimetric Comparison of The Effects of Different Treatment Plan Techniques on Reduction in Critical Organs in Whole Brain Radiotherapy Application.

Published in:

Celal Bayar University Journal of Science, 2024, v. 20, n. 1, p. 10, doi. 10.18466/cbayarfbe.1396284

By:

Demir, Hikmettin;
Kanyılmaz, Gül

Publication type:

Article

A reference-beam multi-slit autocollimator built using off-the-shelf components with variable number of slits and increased sensitivity at frequencies from 1 to 100 Hz.

Published in:

Journal of Measurements in Engineering, 2020, v. 8, n. 1, p. 15, doi. 10.21595/jme.2020.21210

By:

Dragostinoff, Nikolaus;
Müller, David Alexander;
Plank, Nicole

Publication type:

Article

Research on Distortion Control in Off-Axis Three-Mirror Astronomical Telescope Systems.

Published in:

Photonics, 2024, v. 11, n. 8, p. 686, doi. 10.3390/photonics11080686

By:

Liu, En;
Zheng, Yuquan;
Lin, Chao;
Zhang, Jialun;
Niu, Yanlin;
Song, Lei

Publication type:

Article

Design and Simulation Analysis of Piezoelectric Ceramic Tube-Based Fiber Optic Nutator Applied to an Intersatellite Laser Communication System.

Published in:

Photonics, 2023, v. 10, n. 7, p. 769, doi. 10.3390/photonics10070769

By:

Peng, Bo;
Ruan, Ping;
Han, Junfeng;
Li, Xiangyu;
Chang, Zhiyuan;
Wang, Yifan;
Wang, Xuan

Publication type:

Article

Numerical and Monte Carlo Simulation for Polychromatic L-Shell X-ray Fluorescence Computed Tomography Based on Pinhole Collimator with Sheet-Beam Geometry.

Published in:

Photonics, 2022, v. 9, n. 12, p. 928, doi. 10.3390/photonics9120928

By:

Yang, Shuang;
Jiang, Shanghai;
Shi, Shenghui;
Hu, Xinyu;
Zhao, Mingfu

Publication type:

Article

Design and optimization for total internal reflection collimators based on slope-error tolerance analysis.

Published in:

Optical Engineering, 2016, v. 55, n. 2, p. 1, doi. 10.1117/1.OE.55.2.025103

By:

Tao Luo;
Gang Wang

Publication type:

Article

Dynamic multi-pinhole collimated brain SPECT of Parkinson's disease by [<sup>123</sup>I]FP-CIT: a feasibility study of fSPECT.

Published in:

Scientific Reports, 2024, v. 14, n. 1, p. 1, doi. 10.1038/s41598-024-57152-5

By:

Fredensborg, Filip L. H.;
Thilsing-Hansen, Kasper;
Simonsen, Jane A.;
Grupe, Peter;
Farahani, Ziba A.;
Andersen, Christian W.;
Gjedde, Albert;
Hvidsten, Svend

Publication type:

Article

Beam quality and the mystery behind the lower percentage depth dose in grid radiation therapy.

Published in:

Scientific Reports, 2024, v. 14, n. 1, p. 1, doi. 10.1038/s41598-024-55197-0

By:

Karimi, Amir Hossein;
Das, Indra J.;
Chegeni, Nahid;
Jabbari, Iraj;
Jafari, Fatemeh;
Geraily, Ghazale

Publication type:

Article

Dual-radionuclide in vivo imaging of micro-metastasis and lymph tract with submillimetre resolution.

Published in:

Scientific Reports, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41598-023-46907-1

By:

Yagishita, Atsushi;
Takeda, Shin'ichiro;
Ohnuki, Kazunobu;
Katsuragawa, Miho;
Sampetrean, Oltea;
Fujii, Hirofumi;
Takahashi, Tadayuki

Publication type:

Article

A novel reconstruction method combining multi-detector SPECT with an elliptical orbit and computer tomography for cardiac imaging.

Published in:

Scientific Reports, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41598-023-42163-5

By:

Sheng, Jinhua;
Huang, Pu;
Zhou, Rougang;
Li, Zhongjin;
Yang, Xiaofan;
Wang, Jialei

Publication type:

Article

Application of error classification model using indices based on dose distribution for characteristics evaluation of multileaf collimator position errors.

Published in:

Scientific Reports, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41598-023-35570-1

By:

Sheen, Heesoon;
Shin, Han-Back;
Kim, Hojae;
Kim, Changhwan;
Kim, Jihun;
Kim, Jin Sung;
Hong, Chae-Seon

Publication type:

Article

SHAPING AND MONITORING OF THE MINI-BEAM STRUCTURES FOR THE SPATIALLY FRACTIONATED HADRON RADIATION THERAPY.

Published in:

Nuclear Physics & Atomic Energy, 2016, v. 17, n. 1, p. 92, doi. 10.15407/jnpae2016.01.092

By:

Momot, I.;
Kovalchuk, O.;
Okhrimenko, O.;
Prezado, Y.;
Pugatch, V.

Publication type:

Article

CMR validation of left ventricular volumes and ejection fraction measured by the IQ-SPECT system in patients with small heart size.

Published in:

EJNMMI Research, 2023, v. 13, n. 1, p. 1, doi. 10.1186/s13550-023-00987-2

By:

Wei, Hua;
Wu, Jiaojiao;
Han, Ke;
Hu, Guang;
Wang, Hongliang;
Guo, Xiaoshan;
Liu, Haiyan;
Wu, Zhifang;
Li, Sijin

Publication type:

Article

Multiple-pinhole collimators improve intra- and between-rater agreement and the certainty of the visual interpretation in dopamine transporter SPECT.

Published in:

EJNMMI Research, 2022, v. 12, n. 1, p. 1, doi. 10.1186/s13550-022-00923-w

By:

Mathies, Franziska;
Apostolova, Ivayla;
Dierck, Lena;
Jacobi, Janin;
Kuen, Katja;
Sauer, Markus;
Schenk, Michael;
Klutmann, Susanne;
Forgács, Attila;
Buchert, Ralph

Publication type:

Article

Inter- and intraobserver agreement of the quantitative assessment of [<sup>99m</sup>Tc]-labelled anti-programmed death-ligand 1 (PD-L1) SPECT/CT in non-small cell lung cancer.

Published in:

EJNMMI Research, 2020, v. 10, n. 1, p. N.PAG, doi. 10.1186/s13550-020-00734-x

By:

Hughes, Daniel Johnathan;
Chand, Gitasha;
Goh, Vicky;
Cook, Gary J. R.

Publication type:

Article

Evaluation of camera-based freehand SPECT in preoperative sentinel lymph node mapping for melanoma patients.

Published in:

EJNMMI Research, 2020, v. 10, n. 1, p. N.PAG, doi. 10.1186/s13550-020-00729-8

By:

Kogler, Annie K.;
Polemi, Andrew M.;
Nair, Surabhi;
Majewski, Stanislaw;
Dengel, Lynn T.;
Slingluff, Craig L.;
Kross, Brian;
Lee, S. J.;
McKisson, J. E.;
McKisson, John;
Weisenberger, Andrew G.;
Welch, Benjamin L.;
Wendler, Thomas;
Matthies, Philipp;
Traub, Joerg;
Witt, Michael;
Williams, Mark B.

Publication type:

Article

Beam angle optimization in IMRT: are we really optimizing what matters?

Published in:

International Transactions in Operational Research, 2019, v. 26, n. 3, p. 908, doi. 10.1111/itor.12587

By:

Rocha, Humberto;
Dias, Joana Matos;
Ventura, Tiago;
Ferreira, Brígida da Costa;
Lopes, Maria do Carmo

Publication type:

Article

A novel wide-angle Compton Scanner setup to study bulk events in germanium detectors.

Published in:

European Physical Journal C -- Particles & Fields, 2022, v. 82, n. 10, p. 1, doi. 10.1140/epjc/s10052-022-10884-y

By:

Abt, Iris;
Gooch, Chris;
Hagemann, Felix;
Hauertmann, Lukas;
Hervas Aguilar, David;
Liu, Xiang;
Schulz, Oliver;
Schuster, Martin;
Zsigmond, Anna Julia

Publication type:

Article

Design and implementation of a crystal collimation test stand at the Large Hadron Collider.

Published in:

European Physical Journal C -- Particles & Fields, 2017, v. 77, n. 6, p. 1, doi. 10.1140/epjc/s10052-017-4985-4

By:

Mirarchi, D.;
Hall, G.;
Redaelli, S.;
Scandale, W.

Publication type:

Article

Integer Programming Applied to Intensity-Modulated Radiation Therapy Treatment Planning.

Published in:

Annals of Operations Research, 2003, v. 119, n. 1-4, p. 165, doi. 10.1023/A:1022938707934

By:

Lee, Eva;
Fox, Tim;
Crocker, Ian

Publication type:

Article

An Optimization-Based Approach to the Multiple Static Delivery Technique in Radiation Therapy.

Published in:

Annals of Operations Research, 2003, v. 119, n. 1-4, p. 205, doi. 10.1023/A:1022942825680

By:

Tervo, J.;
Kolmonen, P.;
Lyyra-Laitinen, T.;
Pintér, J. D.;
Lahtinen, T.

Publication type:

Article

Interpretation of in-air output ratio of wedged fields in different measurement conditions.

Published in:

Journal of Medical Signals & Sensors, 2019, v. 9, n. 2, p. 117, doi. 10.4103/jmss.JMSS_36_18

By:

Mehnati, Parinaz;
Biglari, Farideh;
Jomehzadeh, Ali

Publication type:

Article

Application of Single and Dual Multilayer Optics for Powder X-Ray Diffraction.

Published in:

X-Rays Optics & Instrumentation, 2008, p. 1, doi. 10.1155/2008/408702

By:

Misture, Scott T.

Publication type:

Article

A Comparative Study of Bondi-Type and Radiative Outflows Around Compact Objects.

Published in:

International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2000, v. 9, n. 6, p. 717, doi. 10.1142/S0218271800000670

By:

Chattopadhyay, Indranil;
Chakrabarti, Sandip K.;
Fang, L. Z.

Publication type:

Article

Small-angle neutron scattering spectrometer Suanni equipped with ultra-thin biconcave focusing lenses.

Published in:

Journal of Applied Crystallography, 2016, v. 49, n. 4, p. 1388, doi. 10.1107/S1600576716007950

By:

Chen, Liang;
Sun, Liangwei;
Wang, Yun;
Wang, Yunlong;
Zou, Lin;
Yan, Guanyun;
Chen, Jie;
Tian, Qiang;
Peng, Mei;
Gong, Jian;
Chen, Bo;
Sun, Guangai;
Liu, Dong

Publication type:

Article

On the design and experimental realization of a multislit-based very small angle neutron scattering instrument at the European Spallation Source.

Published in:

Journal of Applied Crystallography, 2015, v. 48, n. 4, p. 1242, doi. 10.1107/S1600576715012273

By:

Abbas, Sohrab;
Désert, Sylvain;
Brûlet, Annie;
Thevenot, Vincent;
Permingeat, Patrice;
Lavie, Pascal;
Jestin, Jacques

Publication type:

Article

Resolution of small-angle neutron scattering with a reflective focusing optic.

Published in:

Journal of Applied Crystallography, 2014, v. 47, n. 4, p. 1247, doi. 10.1107/S1600576714011364

By:

Mildner, David F. R.

Publication type:

Article

Analytical model for neutron diffraction peak shifts due to the surface effect.

Published in:

Journal of Applied Crystallography, 2013, v. 46, n. 3, p. 628, doi. 10.1107/S0021889813008194

By:

Šaroun, Jan;
Kornmeier, Joana Rebelo;
Hofmann, Michael;
Mikula, Pavol;
Vrána, Miroslav

Publication type:

Article

Toward a new lower limit for the minimum scattering vector on the very small angle neutron scattering spectrometer at Laboratoire Leon Brillouin.

Published in:

Journal of Applied Crystallography, 2008, v. 41, n. 1, p. 161, doi. 10.1107/S0021889807056361

By:

Brület, Annie;
Thévenot, Vincent;
Lairez, Didier;
Lecommandoux, Sébastien;
Agut, Willy;
Armes, Steven P.;
Jianzong Du;
Désert, Sylvain

Publication type:

Article

ENGIN-X: a third-generation neutron strain scanner.

Published in:

2006

By:

Santisteban, J. R.;
Daymond, M. R.;
James, J. A.;
Edwards, L.

Publication type:

Other

A 'beam-selection' high-resolution X-ray diffractometer.

Published in:

Journal of Applied Crystallography, 2004, v. 37, n. 4, p. 565, doi. 10.1107/S0021889804011094

By:

Fewster, Paul F.

Publication type:

Article

Guidelines for the implementation of XY variable-geometry converging multichannel collimation in a specific SANS facility.

Published in:

Journal of Applied Crystallography, 2004, v. 37, n. 2, p. 210, doi. 10.1107/S0021889803029595

By:

Margaça, F.M.A.;
Falcão, A.N.;
Carvalho, F.G.

Publication type:

Article

A contribution to the practical implementation of a variable-geometry converging multichannel collimator for SANS.

Published in:

Journal of Applied Crystallography, 2003, v. 36, n. 5, p. 1266

By:

Falc&asline;o, A. N.;
Margaca, F. M. A.;
Carvalho, F. G.

Publication type:

Article

Intensity and resolution effects in converging multichannel collimators for SANS by Monte Carlo simulation.

Published in:

Journal of Applied Crystallography, 2003, v. 36, n. 5, p. 1262

By:

Falc&asline;o, A. N.;
Margaca, F. M. A.;
Carvalho, F. G.

Publication type:

Article

Scan profiles for neutron spectrometers. III. Rectangular-profile elements by numerical methods.

Published in:

Journal of Applied Crystallography, 2003, v. 36, n. 5, p. 1225, doi. 10.1107/S002188980301447X

By:

Cussen, L. D.;
Wildes, A. R.

Publication type:

Article

Scan profiles for neutron spectrometers. II. Rectangular-profile elements by acceptance-diagram methods.

Published in:

Journal of Applied Crystallography, 2003, v. 36, n. 5, p. 1214, doi. 10.1107/S0021889803014456

By:

Cussen, L. D.

Publication type:

Article

Microbeam small-angle scattering experiments and their combination with microdiffraction.

Published in:

Journal of Applied Crystallography, 2000, v. 33, n. 3, p. 421, doi. 10.1107/S0021889899014375

By:

Riekel, Christian;
Burghammer, Manfred;
Müller, Martin

Publication type:

Article

Modeling radial collimators for use in stress and texture measurements with neutron diffraction.

Published in:

Journal of Applied Crystallography, 2000, v. 33, n. 2, p. 334, doi. 10.1107/S0021889800000856

By:

Wang, D.-Q.;
Wang, X.-L.;
Robertson, J.L.;
Hubbard, C.R.

Publication type:

Article