Results 201 to 210 of about 155,077 (262)

Utilizing collimated aperture with proton pencil beam scanning (PBS) for stereotactic radiotherapy. [PDF]

J Appl Clin Med Phys
Chou CY, Tsai TS, Huang HC, Wang CC, Lee SH, Hsu SM.   +5 more
europepmc   +1 more source

Time structures of proton pencil beam scanning delivery on a microsecond scale measured with a pixelated semiconductor detector Timepix3. [PDF]

J Appl Clin Med Phys
Shen J, Ding X, Charyyev S, Liang X, Oancea C, Wang P, Rule WG, Liu W, Bues M, Lin L.   +9 more
europepmc   +1 more source

Commissioning a clinical proton pencil beam scanning beamline for pre-clinical ultra-high dose rate irradiations on a cyclotron-based system. [PDF]

Front Oncol
Saini J, Erickson DPJ, Vander Stappen F, Ruth M, Cui S, Gorman V, Rossomme S, Cao N, Ford EC, Meyer J, Bloch C, Wong T, Grassberger C, Rengan R, Zeng J, Schwarz M.   +15 more
europepmc   +1 more source

Pencil Beam Scanning Proton Therapy as Single Vocal Cord Irradiation for Early-Stage Glottic Cancer. [PDF]

Int J Part Ther
Savla B, Jatczak J, Molitoris JK, Witek ME, Marter K, Zakhary MJ, Xu J, Snow GE, Guardiani EA, Ferris MJ.   +9 more
europepmc   +1 more source

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Moving beam helical CT scanning

IEEE Transactions on Medical Imaging, 1996
Images generated with helical scanning are degraded by partial volume artifacts caused by an increased slice thickness when compared to conventional computed tomography (CT) scanning. The slice thickness for a helical scan is proportional to the sum of the thickness of the fan of radiation and the distance the patient moves during data acquisition. The
C R, Crawford, K F, King, T L, Toth, H, Hu   +3 more
openaire   +2 more sources

Scanned Beam Holography

Applied Optics, 1970
The stability time for making a hologram with a cw gas laser is reduced by using a method called scanned beam holography. This new technique reduces the time during which extreme mechanical stability must be maintained in a holographic system. An experiment showing a reduction in stability time by a factor of sixteen illustrates the procedure.
openaire   +2 more sources

A beam source model for scanned proton beams

Physics in Medicine and Biology, 2007
A beam source model, i.e. a model for the initial phase space of the beam, for scanned proton beams has been developed. The beam source model is based on parameterized particle sources with characteristics found by fitting towards measured data per individual beam line.
Peter, Kimstrand, Erik, Traneus, Anders, Ahnesjö, Erik, Grusell, Bengt, Glimelius, Nina, Tilly   +5 more
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Scanned beam medical imager

SPIE Proceedings, 2004
We report on a conceptual design and feasibility demonstration for a scanned beam endoscope, with advantages over present CCD imaging technology in image resolution and quality, light source power, and package diameter. Theoretical calculations were made by optical modeling and finite element analysis of the performance projected for a design meeting ...
John R. Lewis, Mark Holton, Martin Kykta, Amjad Malik, Frank Metting, Chris Ryerson, Chris Wiklof, Jianhua Xu   +7 more
openaire   +1 more source