A Review of Ionization Chambers Developed for Use at the Brazilian IPEN Calibration Laboratory
L Pereira Neves, AP Perini, LVE Caldas - Brazilian Journal of Physics, 2024 - Springer
Over the past 35 years, the Calibration Laboratory of IPEN (LCI) has seen significant
advancements in the development of ionization chambers. This paper highlights the key …
advancements in the development of ionization chambers. This paper highlights the key …
A special ionisation chamber for quality control of diagnostic and mammography X ray equipment
A M. Costa, L VE Caldas - Radiation protection dosimetry, 2003 - academic.oup.com
A quality control program for X ray equipment used for conventional radiography and
mammography requires the constancy check of the beam qualities in terms of the half-value …
mammography requires the constancy check of the beam qualities in terms of the half-value …
Two new parallel-plate ionization chambers for electron beam dosimetry
CN De Souza, LVE Caldas, CH Sibata, AK Ho… - Radiation …, 1996 - Elsevier
Two parallel-plate ionization chambers were projected, constructed and evauated for use in
high energy electron beams. They were constructed using the two plastic materials …
high energy electron beams. They were constructed using the two plastic materials …
Characterization of a CT ionization chamber for radiation field mapping
A pencil-type ionization chamber, developed at Instituto de Pesquisas Energéticas e
Nucleares (IPEN), was characterized with the objective to verify the possibility of its …
Nucleares (IPEN), was characterized with the objective to verify the possibility of its …
Response characteristics of a tandem ionization chamber in standard X-ray beams
AM Costa, LVE Caldas - Applied Radiation and Isotopes, 2003 - Elsevier
A tandem ionization chamber was developed for quality control programs of the kilovoltage
X-ray equipment used in radiotherapy. This chamber was tested and calibrated in low …
X-ray equipment used in radiotherapy. This chamber was tested and calibrated in low …
Design and study of the characteristics of a versatile ionization chamber for gamma-ray dosimetry
This work present the experimental characteristics study of the versatile gamma ionization
chamber that is designed, developed and distinguished in our laboratory. All tests were …
chamber that is designed, developed and distinguished in our laboratory. All tests were …
Performance of a prototype of an extrapolation minichamber in various radiation beams
ML Oliveira, LVE Caldas - Applied radiation and isotopes, 2007 - Elsevier
An extrapolation minichamber was developed for measuring doses from weakly penetrating
types of radiation. The chamber was tested at the radiotherapeutic dose level in a beam from …
types of radiation. The chamber was tested at the radiotherapeutic dose level in a beam from …
Development of a motorized system for the characterization of the RQR reference x-ray beams at the KFSHRC's SSDL using an extrapolation chamber
An extrapolation chamber of type Böhm 23392, used for the dosimetry of RQR beam
qualities at the Secondary Standard Dosimetry Laboratory of King Faisal Specialist Hospital …
qualities at the Secondary Standard Dosimetry Laboratory of King Faisal Specialist Hospital …
Preliminary studies of a new monitor ionization chamber
MT Yoshizumi, V Vivolo, LVE Caldas - Applied Radiation and Isotopes, 2010 - Elsevier
A new monitor ionization chamber was developed at Instituto de Pesquisas Energéticas e
Nucleares (IPEN) in order to monitor X-ray beams. The main difference of this monitor …
Nucleares (IPEN) in order to monitor X-ray beams. The main difference of this monitor …
Application of extrapolation chambers in low-energy X-rays as reference systems
EAB da Silva, LVE Caldas - Applied Radiation and Isotopes, 2012 - Elsevier
Extrapolation chambers are instruments designed to measure doses of low-energy
radiations, mainly beta radiation. In this work, a commercial extrapolation chamber and a …
radiations, mainly beta radiation. In this work, a commercial extrapolation chamber and a …