General specifications for silicon semiconductors for use in radiation dosimetry

Rikner, Göran; Grusell, Erik

doi:10.1088/0031-9155/32/9/004

Cited by 146 publications

(91 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…, 3 , 19 Except the Varian 600C, which is equipped with one Sun Nuclear Corporation QED photon diode, each other linac is equipped with two Sun Nuclear Corporation photon diodes. All linacs have Sun Nuclear Corporation QED photon diodes with the exception of the varian 2100C, which has two Sun Nuclear Corporation Isorad‐p photon diodes.…”

Section: Methodsmentioning

confidence: 99%

Characterization of an in vivo diode dosimetry system for clinical use

Huang

Bice

Hidalgo-Salvatierra

2003

J Applied Clin Med Phys

View full text Add to dashboard Cite

An in vivo dosimetry system that uses p‐type semiconductor diodes with buildup caps was characterized for clinical use on accelerators ranging in energy from 4 to 18 MV. The dose per pulse dependence was investigated. This was done by altering the source‐surface distance, field size, and wedge for photons. The off‐axis correction and effect of changing repetition rate were also investigated. A model was developed to fit the measured two‐dimensional diode correction factors.PACS number(s): 87.66.–a, 87.52.–g

show abstract

Section: Methodsmentioning

confidence: 99%

Characterization of an in vivo diode dosimetry system for clinical use

Huang

Bice

Hidalgo-Salvatierra

2003

J Applied Clin Med Phys

View full text Add to dashboard Cite

show abstract

“…This study evidenced a decrease of about 60% from the initial current for the first 100 kGy dose received for both diodes. This drop is expected once the sensitivity of the diodes falls with the radiation dose [8]. On the other hand, after 500 kGy of exposure, the current signals of the EPI diodes maintain stable.…”

Section: Resultsmentioning

confidence: 97%

Dose-rate dependence of Epitaxial diodes response for gamma dosimetry

Santos¹,

Gonçalves²,

Barbosa³

et al. 2012

Proceedings of XXXIV Edition of the Brazilian Workshop on Nuclear Physics — PoS(XXXIV BWNP)

View full text Add to dashboard Cite

show abstract

“…In addition to the directional dependence, some reports also indicated long-term irreversible radiation damage that changes the sensitivity of diodes over time. [36][37][38][39][40] Therefore, it is rec- Another type of small-field dosimeter that has been used in IMRT is the thermoluminescence dosimeter ͑TLD͒. [55][56][57][58][59][60][61][62][63][64][65][66][67][68] TLD dosimetry has been used since the 1970s to quantify megavoltage x-ray dosimetry.…”

Section: Iia1c Ionization Chamber Stabilitymentioning

confidence: 99%

Dosimetry tools and techniques for IMRT

et al. 2011

View full text Add to dashboard Cite

Intensity modulated radiation therapy ͑IMRT͒ poses a number of challenges for properly measuring commissioning data and quality assurance ͑QA͒ radiation dose distributions. This report provides a comprehensive overview of how dosimeters, phantoms, and dose distribution analysis techniques should be used to support the commissioning and quality assurance requirements of an IMRT program. The proper applications of each dosimeter are described along with the limitations of each system. Point detectors, arrays, film, and electronic portal imagers are discussed with respect to their proper use, along with potential applications of 3D dosimetry. Regardless of the IMRT technique utilized, some situations require the use of multiple detectors for the acquisition of accurate commissioning data. The overall goal of this task group report is to provide a document that aids the physicist in the proper selection and use of the dosimetry tools available for IMRT QA and to provide a resource for physicists that describes dosimetry measurement techniques for purposes of IMRT commissioning and measurement-based characterization or verification of IMRT treatment plans. This report is not intended to provide a comprehensive review of commissioning and QA procedures for IMRT. Instead, this report focuses on the aspects of metrology, particularly the practical aspects of measurements that are unique to IMRT. The metrology of IMRT concerns the application of measurement instruments and their suitability, calibration, and quality control of measurements. Each of the dosimetry measurement tools has limitations that need to be considered when incorporating them into a commissioning process or a comprehensive QA program. For example, routine quality assurance procedures require the use of robust field dosimetry systems. These often exhibit limitations with respect to spatial resolution or energy response and need to themselves be commissioned against more established dosimeters. A chain of dosimeters, from secondary standards to field instruments, is established to assure the quantitative nature of the tests. This report is intended to describe the characteristics of the components of these systems; dosimeters, phantoms, and dose evaluation algorithms. This work is the report of AAPM Task Group 120.

show abstract

General specifications for silicon semiconductors for use in radiation dosimetry

Cited by 146 publications

References 20 publications

Characterization of an in vivo diode dosimetry system for clinical use

Characterization of an in vivo diode dosimetry system for clinical use

Dose-rate dependence of Epitaxial diodes response for gamma dosimetry

Dosimetry tools and techniques for IMRT

Contact Info

Product

Resources

About