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Investigation of YAG : Ce-Based Optical Fibre Sensor for Use in Ultra-Fast External Beam Radiotherapy Dosimetry

Radiation dosimetry plays a crucial role in the quality assurance in radiotherapy. To date, this is limited to monitoring the overall dose over the complete beam time, and so, there is limited information on the actual beam quality. An optical fibre sensor is developed based on cerium-doped yttrium aluminum garnet (YAG:Ce) scintillator. The temporal resolution and the stability of this scintillator-based optical fibre sensor have been experimentally evaluated and directly compared with similarly fabricated sensors based on terbium activated gadolinium oxysulfide and commercial plastic scintillating fibre, BCF-12. The photon yield and repeatability of the YAG-based sensor are compared in the clinical setting with the BCF-12 sensor and both show a high stability. The coefficient of variation of the YAG sensor is 0.7%, which is lower than the BCF sensor with a coefficient of variation of 1.4%.

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Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.37 No.18 September 15 2019

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 4741 - 4747

Bahasa

English

ISBN/ISSN

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Klasifikasi

-

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

OPTICAL FIBER SENSORS
OPTICAL FIBER APPLICATIONS
IONIZING RADIATION SENSORS
RADIATION DOSAGE
SCINTILLATION COUNTERS
X-RAY DETECTORS

Info Detail Spesifik

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Pernyataan Tanggungjawab

Lingxia Chen, Sinead O'Keeffe, Shuilin Chen, Peter Woulfe, Sean Gillespie, Benxue Jiang, Elfed Lewis

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