Relevant bibliographies by topics / Small field dosimetry

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Small field dosimetry'

Author: Grafiati
Published: 4 June 2021
Last updated: 29 January 2023

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Journal articles on the topic "Small field dosimetry"

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Piskunou, V. S., and I. G. Tarutin. "Static small radiation fields and detectors for relative small field dosimetry in external beam radiotherapy." Doklady BGUIR 19, no. 5 (August 26, 2021): 94–101. http://dx.doi.org/10.35596/1729-7648-2021-19-5-94-101.

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The aim of this work is to analyze existing detectors for the relative dosimetry of small radiation fields in external beam radiation therapy and the requirements for them, consider the problems in carrying out dosimetry of small radiation fields, determine the physical conditions under which an external photon beam can be designated as a small field. In modern radiation therapy, there is an increase in the use of small static fields, which is facilitated by the general availability of standard and optional multileaf collimators and new generation treatment machines of various designs. There is growing interest in the use of such radiation techniques as stereotactic radiosurgery, stereotactic body radiotherapy, intensity modulated radiotherapy, which are widely used small fields. This has increased the uncertainties in clinical dosimetry, especially for small fields. Accurate dosimetry of small fields is important when commissioning linear accelerators and is a difficult task, especially for very small fields used in stereotactic radiotherapy. In the course of the work, a study of topical problems in the dosimetry of small radiation fields in external beam radiation therapy has been carried out. The physical conditions under which the external photon beam can be designated as a small field are considered. A review and analysis of existing detectors for the relative dosimetry of small radiation fields, as well as an analysis of the requirements for the character. The analysis revealed that liquid ionization chambers, silicon diodes, diamond detectors, organic scintillators, radiochromic films, thermoluminescent dosimeters and optically stimulated luminescence detectors are considered suitable for relative dosimetry of small photon fields and are recommended for use in clinics where radiotherapy is performed.
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Tateoka, K., T. Saikawa, and N. Saitou. "Evaluation of small field dosimetry." Japanese Journal of Radiological Technology 51, no. 8 (1995): 1001. http://dx.doi.org/10.6009/jjrt.kj00001352576.

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Fahmi Mohd Yusof, Mohd, Nur Amirah Shariff, Nur Sajidah Muhammad Fauzi, Ahmad Bazlie Abdul Kadir, and Noriza Mohd Isa. "Small beam dosimetry by using Al2O3 optically stimulated luminescent (OSL) dosimeters at high energy photons and electrons." IOP Conference Series: Materials Science and Engineering 1231, no. 1 (February 1, 2022): 012018. http://dx.doi.org/10.1088/1757-899x/1231/1/012018.

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Abstract The study focused on the measurements of depth dose for small beam in the high energy photons and electrons. The percentage depth dose (PDD) was measured in 6 and 10 MV photons and 9 and 12 MeV electrons at 3 × 3 cm field sizes by using the Al2O3 optically stimulated luminescent (OSL) dosimeters. The PDD in OSL dosimeters were compared to those in ionization chamber and Gafchromic EBT3 film dosimeter. The results showed that the PDD in OSL dosimeters in lower photon and electron energies were in good agreement within 4% to ionization chamber and film. The PDD in 10 MV photons however showed gradual increase of deviation up to 10% beyond the depth of maximum dose (dmax). The surface doses in OSL dosimeters were significantly higher compared to those in ionization chamber and film dosimeter. The overall results suggested the suitability of OSL dosimeters to be used as indirect dosimetry works in high energy photons and electrons.
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THOMAS, S. J., D. J. EATON, G. S. J. TUDOR, and N. I. TWYMAN. "Equivalent squares for small field dosimetry." British Journal of Radiology 81, no. 971 (November 2008): 897–901. http://dx.doi.org/10.1259/bjr/27713136.

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Wuu, Cheng-Shie, Yi-Fang Wang, Andy Y. Xu, and John Adamovics. "Pre-clinical and small field dosimetry." Journal of Physics: Conference Series 1305 (August 2019): 012023. http://dx.doi.org/10.1088/1742-6596/1305/1/012023.

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Aspradakis, Maria M. "Small photon field dosimetry: present status." Physica Medica 30 (2014): e4-e5. http://dx.doi.org/10.1016/j.ejmp.2014.07.022.

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Rustgi, Surendra N., and Kim R. Working. "Dosimetry of Small Field Electron Beams." Medical Dosimetry 17, no. 2 (1992): 107–10. http://dx.doi.org/10.1016/0958-3947(92)90023-9.

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Shamsi, Qurat-ul-ain, Saeed Ahmad Buzdar, Saima Altaf, Atia Atiq, Maria Atiq, and Khalid Iqbal. "Total scatter factor for small fields in radiotherapy: a dosimetric comparison." Journal of Radiotherapy in Practice 17, no. 3 (November 27, 2017): 292–96. http://dx.doi.org/10.1017/s1460396917000681.

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AbstractPurposeSmall field dosimetry is complicated and accuracy in the measurement of total scatter factor (TSF) is crucial for dosimetric calculations, in making optimum intensity-modulated radiotherapy plans for treating small target volumes. In this study, we intended to determine the TSF measuring properties of CC01 and CC04 detectors for field sizes ranging from sub-centimetre to the centimetre fields.Material and methodsCC01 and CC04 chamber detectors were used to measure TSF for 6 and 18 MV photon beam delivered from the linear accelerator, through small fields in a water phantom. Small fields were created by collimator jaws and multi-leaf collimators separately, with field sizes ranging from 0·6 to 10 cm2 and 0·5 to 20 cm2, respectively.ResultsCC01 measured TSF at all the given field sizes created by jaws and multi-leaf collimators for both 6 and 18 MV beams whereas CC04 could not measure TSF for field sizes <1 cm2 due to volume averaging and perturbation effects.ConclusionCC01 was shown to be effective for measurement of TSF in sub-centimetre field sizes. CC01 can be employed to measure other dosimetric quantities in small fields using different energy beams.
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Russo, Serenella, Silvia Bettarini, Barbara Grilli Leonulli, Marco Esposito, Paolo Alpi, Alessandro Ghirelli, Raffaella Barca, et al. "Dosimetric Characterization of Small Radiotherapy Electron Beams Collimated by Circular Applicators with the New Microsilicon Detector." Applied Sciences 12, no. 2 (January 8, 2022): 600. http://dx.doi.org/10.3390/app12020600.

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High-energy small electron beams, generated by linear accelerators, are used for radiotherapy of localized superficial tumours. The aim of the present study is to assess the dosimetric performance under small radiation therapy electron beams of the novel PTW microSilicon detector compared to other available dosimeters. Relative dose measurements of circular fields with 20, 30, 40, and 50 mm aperture diameters were performed for electron beams generated by an Elekta Synergy linac, with energy between 4 and 12 MeV. Percentage depth dose, transverse profiles, and output factors, normalized to the 10 × 10 cm2 reference field, were measured. All dosimetric data were collected in a PTW MP3 motorized water phantom, at SSD of 100 cm, by using the novel PTW microSilicon detector. The PTW diode E and the PTW microDiamond were also used in all beam apertures for benchmarking. Data for the biggest field size were also measured by the PTW Advanced Markus ionization chamber. Measurements performed by the microSilicon are in good agreement with the reference values for all the tubular applicators and beam energies within the stated uncertainties. This confirms the reliability of the microSilicon detector for relative dosimetry of small radiation therapy electron beams collimated by circular applicators.
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Bayatiani, Mohamad Reza, Fatemeh Fallahi, Akbar Aliasgharzadeh, Mahdi Ghorbani, Benyamin Khajetash, and Fatemeh Seif. "Determination of effective source to surface distance and cutout factor in small fields in electron beam radiotherapy: A comparison of different dosimeters." Polish Journal of Medical Physics and Engineering 26, no. 4 (December 1, 2020): 235–42. http://dx.doi.org/10.2478/pjmpe-2020-0028.

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Abstract Objective: The main purpose of this study is to calculate the effective source to surface distance (SSDeff) of small and large electron fields in 10, 15, and 18 MeV energies, and to investigate the effect of SSD on the cutout factor for electron beams a linear accelerator. The accuracy of different dosimeters is also evaluated. Materials and methods: In the current study, Elekta Precise linear accelerator was used in electron beam energies of 10, 15, and 18 MeV. The measurements were performed in a PTW water phantom (model MP3-M). A Semiflex and Advanced Markus ionization chambers and a Diode E detector were used for dosimetry. SSDeff in 100, 105, 110, 115, and 120 cm SSDs for 1.5 × 1.5 cm2 to 5 × 5 cm2 (small fields) and 6 × 6 cm2 to 20 × 20 cm2 (large fields) field sizes were obtained. The cutout factor was measured for the small fields. Results: SSDeff in small fields is highly dependent on energy and field size and increases with increasing electron beam energy and field size. For large electron fields, with some exceptions for the 20 × 20 cm2 field, this quantity also increases with energy. The SSDeff was increased with increasing beam energy and field size for all three detectors. Conclusion: The SSDeff varies significantly for different field sizes or cutouts. It is recommended that SSDeff be determined for each electron beam size or cutout. Selecting an appropriate dosimetry system can have an effect in determining cutout factor.
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Dissertations / Theses on the topic "Small field dosimetry"

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Charles, Paul Henry. "Very small field dosimetry." Thesis, Queensland University of Technology, 2014. https://eprints.qut.edu.au/78916/4/Paul_Charles_Thesis.pdf.

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This thesis investigated in detail the physics of small X-ray fields used in radiotherapy treatments. Because of this work, the ability to accurately measure dose from these very small X-ray fields has been improved in several ways. These include scientifically quantifying when highly accurate measurements are required by introducing the concept of a very small field, and by the invention of a new detector that responds the same in very small fields as in normal fields.
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Cranmer-Sargison, Gavin. "Small field dosimetry : experimental methods and Monte Carlo simulation in small field radiation therapy dosimetry." Thesis, University of Leeds, 2014. http://etheses.whiterose.ac.uk/7762/.

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The goal of the thesis was to investigate, and better define, what the requirements are for accurate small field relative dosimetry. Diode detector selection and experimental techniques were evaluated. EGSnrc Monte Carlo simulations were used to predict diode detector dosimetric parameters and assist in interpreting measured data. An emerging scintillator based detector technology was also tested and methods developed to standardize the reporting of small field dosimetric data. Using careful experimental methods the relative output uncertainty for the smallest square field size of side 0.5 cm was reduced to better than ±1.00% for all detector types. Monte Carlo simulation data revealed that for the same small field size the relative output measured using unshielded and shielded diodes will be 5% and 10% greater than the actual relative output in water. Further simulation work showed that simplified diode detector models are valid for use in small field dosimetry simulations. The diode detector over-response was also shown to be insensitive to variations in the electron energy and spot size incident on the Bremsstrahlung target. Experimental methods were refined to include the definition of an effective field size, which was shown to remove much of the ambiguity in reporting small field relative output data across a population of linear accelerators. Each of the for mentioned areas of investigation have been shown to be requirements for accurate small field relative.
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Wong, Christopher James, and chrisjwong@yahoo com au. "High Resolution Polymer Gel Dosimetry for Small and Micro Field Dosimetry, and Development of Innovative Polymer Gel Dosimeters." RMIT University. Medical Sciences, 2009. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20091002.161512.

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Current radiotherapy techniques are focused on delivering effective treatments while sparing surrounding healthy tissues. As a result, radiotherapy treatments are using narrower and more tightly conforming therapy techniques. For these treatments to be effective an accurate measure of the dose delivered by these very narrow radiotherapy beams, both in and around the target volume, is required. It is a challenging task for the conventional type dosimeters to determine dose distribution in such small fields. The best example of such fields is microbeam beam radiotherapy (MRT), a developing treatment technique that takes this requirement even further. MRT delivers an array of micrometre size radiotherapy beams to the target. MRT has been shown to be highly effective, but reliable dosimetry of MRT is challenging due to the micrometre scales involved. Attempts to determine the MRT dose distribution have been documented for using special type dosimeters such as radioch romic film and MOSFET detectors, as well as Monte Carlo simulations. This thesis investigates polymer gels as a dosimeter for dose distribution measurements of small radiotherapy fields and microbeams. Polymer gel dosimetry is a technique which uses a tissue-equivalent gel to act as both a three-dimensional dosimeter and a phantom at the same time. These gels polymerise when exposed to ionising radiation and the response is locally dose dependent linearly. This thesis investigates the use of polymer gels for the dosimetry of small sub-centimetre (down to 3 × 3 mm2) and micrometre radiotherapy fields. A high resolution imaging technique is also required for such small beam dosimetry. This work used special high strength MRI scanners to analyse polymer gels at high resolution. This work explores the feasibility of polymer gels irradiated by microbeams and analysed using Raman spectroscopy as a dosimeter for synchrotron generated microbeams. MRT is characterised by very high doses, and special high-dose resistive types of gel were developed as part of this work. It is shown that polymer gels imagined using Raman spectroscopy techniques are capable of measuring the dose distribution of microbeam radiation techniques. This thesis also investigates the use of polymer gels to measure dose perturbations caused by metallic artefacts. Metallic artefacts, such as a surgical aneurysm clip, can be left in a patient and cause dose perturbations during radiotherapy procedures. Polymer gels were used to determine the degree of dose enhancement induced by an aneurysm clip placed inside when irradiated with a typical stereotactic radiotherapy procedure. In addition, this thesis used gels in several other innovative applications. Photonuclear interactions generated in gel by high energy x-ray beams were measured via secondary neutrons. Special clear-type gels that do not change colour with irradiation were developed. Polymer gels were investigated for dosimetry of an extremely high dose rate capacitor type linear accelerator. And polymer gels were for measurement of a high energy proton beam.
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Qureshi, Aleem. "A Novel Equivalent Squares Formalism for use in Small Field Dosimetry." University of Toledo Health Science Campus / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=mco149338511600157.

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Underwood, Ryan John. "Small field dose measurements with Gafchromic film." Thesis, Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47675.

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Purpose: To examine the dosimetric characteristics of Gafchromic EBT3 film when measuring small fields of radiation, and compare it against other common radiation detectors. Methods and Materials: EBT3 film was placed in a solid water phantom and irradiated with 6MV photons, field sizes from 10x10cm2 down to 6x6mm2. The films were scanned with a Vidar DosimetryPRO Advantage Red scanner, and analyzed with RIT113 software. The films were also scanned at different orientations and times to quantify the discrepancies associated with scanning orientation and post-exposure darkening. The same fields were measured with a PTW TN30013 farmer chamber, an Exradin T1 cylindrical ion chamber, a PTW parallel plate ion chamber, and a Sun Nuclear Edge Detector (diode). Output factors were calculated for each detector and compared for accuracy. The output factors were measured from a Varian Clinac iX, Clinac 21EX, Trilogy, and TrueBeam; as well as a Novalis Tx. The outputs from different machines at different clinics were compared. Results: The EBT3 film and Edge Detector were the only detectors that succeeded in accurately measuring the output from all field sizes; the ion chambers were too large and failed for field sizes below 4x4cm2 due to volume averaging. The dose measured with the film increased by an average of 8.8% after one week post-irradiation. The dose measured was also reduced by an average of 4.4% by scanning the film in landscape orientation, as opposed to portrait orientation. It was shown that the output factors for the smallest field of 6x6mm2--successfully measured with film and diode--varied between 0.54-0.74 for five different machines at three different clinics. Conclusions: The feasibility of using Gafchromic EBT3 film to measure very small fields of radiation is confirmed. Of the other 4 detectors used, only the diode was shown to be capable of accurately measuring small fields of radiation. The need to optimize the film dosimetry process--including the time films are scanned post-irradiation, the consistency of the scanning orientation of the calibration and subsequent films, and the measurement procedure on the computer software--is highlighted.
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Polston, Gregory K. "A dosimetric model for small-field electron radiation therapy." Muncie, Ind. : Ball State University, 2008. http://cardinalscholar.bsu.edu/366.

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Martínez, Rovira Immaculada. "Monte Carlo and experimental small-field dosimetry applied to spatially fractionated synchrotron radiotherapy techniques." Doctoral thesis, Universitat Politècnica de Catalunya, 2012. http://hdl.handle.net/10803/81470.

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Two innovative radiotherapy (RT) approaches are under development at the ID17 Biomedical Beamline of the European Synchrotron Radiation Facility (ESRF): microbeam radiation therapy (MRT) and minibeam radiation therapy (MBRT). The two main distinct characteristics with respect to conventional RT are the use of submillimetric field sizes and spatial fractionation of the dose. This PhD work deals with different features related to small-field dosimetry involved in these techniques. Monte Carlo (MC) calculations and several experimental methods are used with this aim in mind. The core of this PhD Thesis consisted of the development and benchmarking of an MC-based computation engine for a treatment planning system devoted to MRT within the framework of the preparation of forthcoming MRT clinical trials. Additional achievements were the definition of safe MRT irradiation protocols, the assessment of scatter factors in MRT, the further improvement of the MRT therapeutic index by injecting a contrast agent into the tumour and the definition of a dosimetry protocol for preclinical trials in MBRT.
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Puxeu, Vaqué Josep. "Contributions to new challenges in radiotherapy : from small field dosimetry to stereotactic body radiation therapy." Doctoral thesis, Universitat Politècnica de Catalunya, 2015. http://hdl.handle.net/10803/663216.

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The use of small Fields has substantially increased in radiotherapy during recent years mainly due to expansion in the use of modulated techniques which are also used at some institutions for Stereotactic Body Radiotherapy (SBRT). The use of modulated techniques in lung SBRT is controversial due to the interplay effect. At the same time, small-volume dosemeters have appeared on the market in an attempt to try to cover new dosimetry necessities. This PhD deals with different features related to small-field dosimetry. It first analyzes the influence of differences between ionization chambers of the same type on dosimetry factors determining 0.5% as the upper limit on the possible influence. Correction factors for PTW-31016 are also proposed and the effect of a particular chamber of this model has been found to be up to 2.8% for 0.5 cm square. These correction factors have been determined by Monte Carlo calculations and have been validated with measurements on fattened and unflattened beams by analyzing the main sources of influence. The last chapter is devoted to SBRT, and suggests a fast and accurate plan set-up together with PUMA, a method to evaluate the interplay effect in lung SBRT.
L’ús de camps petits de radiació s’ha incrementat molt durant els últims anys, degut a l’expansió en l’ús de tècniques d’intensitat modulada. Aquestes tècniques també s’utilitzen en alguns centres per irradiar pacients en el que es coneix com a SBRT (Stereotactic Body Radiotherapy). L’ús de tècniques d’intensitat modulada en SBRT de pulmó és controvertit degut a L’interlay effect. En paral·lel, en els darrers anys han aparegut nous dosímetres de petit volum per intentar cobrir les noves necessitats en dosimetria. Aquesta tesi s'ocupa de diferents característiques relacionades amb la dosimetria dels camps petits. En primer lloc, s'analitza la influència de les diferències entre les càmeres d'ionització del mateix tipus en els diferents factors relacionats amb la dosimetria, i s’observa que en condicions de referència les diferencies en els factors de correcció són inferiors al 0.5%. També es proposen factors de correcció per volum per la càmera d’ionització PTW-31016, Es determina que les petites diferencies en la geometria poden comportar diferències en els factors de correcció de fins a 2.8% per a un camp quadrat de 0.5 cm. Aquests factors de correcció han estat determinats mitjançant simulacions Monte Carlo i s'han validat en feixos de fotons amb i sense filtre aplanador. Al mateix temps s’ha fet un anàlisi de les principals fonts d'influència. L'últim capítol està dedicat a la SBRT, on es proposa una configuració per irradiar en poc temps un pla de tractament de SBRT juntament amb PUMA, un mètode per avaluar l’interplay effect en SBRT de pulmó
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Scott, Alison Jane Dalgleish. "Monte Carlo modelling of small field dosimetry : non-ideal detectors, electronic disequilibrium and source occlusion." Thesis, University of Liverpool, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.533947.

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Morales, Johnny Estuardo. "Advances in very small x-ray field dosimetry for circular cones used in stereotactic radiosurgery." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/133137/1/Johnny_Morales_Thesis.pdf.

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This project presents recent advances in small field dosimetry for radiosurgery treatments with Brainlab circular cones using 6 MV x-rays. The specific advances included: the use of a new microDiamond detector, the use of radiochromic film and OSLD detectors with an extrapolation technique, skin dose measurements and Monte Carlo simulation of radiosurgery treatments. There is limited published data on the output factor for the 4 mm circular cone. This thesis provides methodology and guidelines on how to perform such difficult measurements.
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Books on the topic "Small field dosimetry"

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Dosimetry of Small Static Fields Used in External Beam Radiotherapy: An International Code of Practice for Reference and Relative Dose Determination. International Atomic Energy Agency, 2018.

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Book chapters on the topic "Small field dosimetry"

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Pantelis, Evangelos, and Argyris Moutsatsos. "Small Field Dosimetry." In CyberKnife NeuroRadiosurgery, 75–87. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-50668-1_6.

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Aspradakis, Maria Mania. "Small Field MV Photon Dosimetry." In IFMBE Proceedings, 854. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03474-9_239.

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Ravindran, Paul B. "Small Photon Field Dosimetry using Gel." In IFMBE Proceedings, 762–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03474-9_215.

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Das, Indra J., and Paolo Francescon. "Small-Field Dosimetry in Photon Beams." In Clinical 3D Dosimetry in Modern Radiation Therapy, 225–50. Boca Raton : Taylor & Francis, 2017. | Series: Imaging in medical diagnosis and therapy ; 28: CRC Press, 2017. http://dx.doi.org/10.1201/9781315118826-9.

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Das, Indra J., and Johnny Morales. "Small-field dosimetry in megavoltage beams." In Radiochromic Film, 233–48. Boca Raton, FL : CRC Press, Taylor & Francis Group, [2017] |: CRC Press, 2017. http://dx.doi.org/10.1201/9781315154879-13.

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Tolabin, David Eduardo, Rodolfo Alfonso Laguardia, and Sebastian Bianchini. "Implementation of a Novel Uncertainty Budget Determination Methodology for Small Field Dosimetry." In IFMBE Proceedings, 611–17. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-9023-3_113.

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Muir, B. R., and M. R. McEwen. "Reference and relative dosimetry of standard and small photon fields with new commercially available detectors." In IFMBE Proceedings, 767–70. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19387-8_189.

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Yenice, Kamil, David Klein, and Dany Theriault. "Small field and radiosurgery dosimetry." In Imaging in Medical Diagnosis and Therapy, 105–34. CRC Press, 2016. http://dx.doi.org/10.1201/b19491-10.

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"Small-field dosimetry for stereotactic radiosurgery and radiotherapy." In Stereotactic Radiosurgery and Stereotactic Body Radiation Therapy, 294–317. CRC Press, 2014. http://dx.doi.org/10.1201/b16776-19.

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Donya, Hossam, Baljeet Seniwal, Reem Darwesh, and Telma C.F. Fonseca. "Prospective Monte Carlo Simulation for Choosing High Efficient Detectors for Small-Field Dosimetry." In Theory, Application, and Implementation of Monte Carlo Method in Science and Technology. IntechOpen, 2019. http://dx.doi.org/10.5772/intechopen.89150.

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Conference papers on the topic "Small field dosimetry"

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Das, Indra J., Johnny Morales, and Paolo Francescon. "Small field dosimetry: What have we learnt?" In MEDICAL PHYSICS: Fourteenth Mexican Symposium on Medical Physics. Author(s), 2016. http://dx.doi.org/10.1063/1.4954111.

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Loika, V., and M. Mayorava. "SMALL FIELD DOSIMETRY IN EXTERNAL BEAM RADIATION THERAPY." In SAKHAROV READINGS 2020: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. Minsk, ICC of Minfin, 2020. http://dx.doi.org/10.46646/sakh-2020-2-112-115.

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Rofikoh, W. E. Wibowo, and S. A. Pawiro. "Implementation of small field radiotherapy dosimetry for spinal metastase case." In INTERNATIONAL SYMPOSIUM ON CURRENT PROGRESS IN MATHEMATICS AND SCIENCES 2016 (ISCPMS 2016): Proceedings of the 2nd International Symposium on Current Progress in Mathematics and Sciences 2016. Author(s), 2017. http://dx.doi.org/10.1063/1.4991172.

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Piskunov, V. S., S. V. Semenov, and Chikova. "DETERMINATION OF THE FIELD SIZE AND CHANGING THE ENERGY SPECTRUM OF SMALL FIELDS." In SAKHAROV READINGS 2022: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute of Belarusian State University, 2022. http://dx.doi.org/10.46646/sakh-2022-2-251-254.

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The basic definitions of the field size and the difference between the geometric and radiation dimensions of small fields are described. Changes in the energy spectrum of photons with decreasing field size are described. It is shown that the full width at half maximum (FWHM) size of the lateral beam profile is the most indicative and essential parameter of the field size for accurate dosimetry of small fields. When describing data on small fields, it is recommended to specify both the FWHM and the geometric size of the field.
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Liu, Yanping, Zhaoyang Chen, Yanwei Fan, Weizhen Ba, and Shilie Pan. "A Novel Radiation Dosimetry Based on Optically Stimulated Luminescence." In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48023.

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A new generation of Alkaline earth sulfides (MgS, CaS, and BaS) doped with rare-earth ions have been identified by the University of Montpellier as the very high sensitivity of these phosphors, the short time constant of the luminescence and the perfectly separated spectra enable many applications in real time and online dosimetry. The online detecting technology of optically stimulated luminescent (OSL) radiation dosimeter main make use of the OSL characteristics of doping the alkaline-earth metal sulphides, makes the material into the thin films for storing energy from Ionizing radiation, the excitation light through optical fibers reached the where under radiation-field, with a sensitive detection device to read out the radiation dose from storing the OSL material, obtains a novel technology of radiation dose measurement. In the previous works, the dosimeter benefits from a printed circuit board mount. Both the sensor and the electronics are exposed to radiation, the problem of the radiation induced damage is supposedly being addressed. In both cases, the use of optical fibers can provide an elegant solution. Optical fibers offer a unique capability for remote monitoring of radiation in difficult-to-access and hazardous locations. Optical fiber can be located in radiation hazardous areas and optically interrogated from a safe distance. Hence, optical fiber dosemeters are immune to electrical and radio-frequency interference that can seriously degrade the performance of remote electronic dosimeters. In this paper, a novel remote optical fiber radiation dosimeter is described. The optical fiber dosimeter takes advantage of the charge trapping materials CaS:Ce, Sm and SrS:Eu, Sm that exhibit optically stimulated luminescence (OSL). The range of the dosimeter is from 0.01 to 1000Gy. The optically stimulated luminescent (OSL) radiation dosimeter technically surveys a wide dynamic measurement range and a high sensitivity. The equipment is relatively simple and small in size, and has low power consumption. This device is suitable for measuring the space radiation dose; it also can be used in high radiation dose condition and other dangerous radiation occasions.
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Peña-Jiménez, Salvador, José Manuel Lárraga-Gutiérrez, Olivia Amanda García-Garduño, and Isabel Gamboa-deBuen. "Characterization of TLD-100 micro-cubes for use in small field dosimetry." In XIII MEXICAN SYMPOSIUM ON MEDICAL PHYSICS. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4901385.

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Yani, Sitti, Mohamad Fahdillah Rhani, Freddy Haryanto, and Idam Arif. "Study of homogeneity and inhomogeneity phantom in CUDA EGS for small field dosimetry." In BIOMEDICAL ENGINEERING’S RECENT PROGRESS IN BIOMATERIALS, DRUGS DEVELOPMENT, AND MEDICAL DEVICES: Proceedings of the First International Symposium of Biomedical Engineering (ISBE 2016). Author(s), 2017. http://dx.doi.org/10.1063/1.4976796.

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Ali, Faisal, Abdul Qadir Jangda, Amjad Hussain, Shahbaz Ahmed, and Shakeel ur Rehman. "Acquisition of small field electron dosimetry data using ion chamber & Gafchromic® EBT3 film and development of GUI for treatment parameters calculation." In 2016 International Conference on Emerging Technologies (ICET). IEEE, 2016. http://dx.doi.org/10.1109/icet.2016.7813229.

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Zhu, Timothy C., Andreea Dimofte, Stephen M. Hahn, and Robert A. Lustig. "Light dosimetry at tissue surfaces for small circular fields." In Biomedical Optics 2003, edited by David Kessel. SPIE, 2003. http://dx.doi.org/10.1117/12.474144.

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Piskunov, V. "DETECTORS FOR RELATIVE DOSIMETRY OF RADIATION FIELDS OF SMALL SIZE IN THE REMOTE RADIATION THERAPY." In SAKHAROV READINGS 2020: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. Minsk, ICC of Minfin, 2020. http://dx.doi.org/10.46646/sakh-2020-2-238-241.

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