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Radiotherapy aims at irradiating tumor tissue, while sparing normal tissue as much as possible and it is a suitable treatment option for prostate cancer. A crucial aspect of the radiotherapy workflow is patient positioning. It has been shown that frequent imaging during the course of the treatment (image guided radiotherapy) can improve this positioning accuracy. Despite the many advantages of ultrasound...
This paper presents a novel integrated Micro-Opto-Mechanical Pressure Sensor that exhibits an excellent measurement precision in a large pressure range. The performance gain compared to classical designs is obtained by using a phase shift and by combining two Mach-Zendher Interferometers (MZls) on a single membrane: one with high sensitivity and one with large range. A balanced design and a power...
This paper presents the modelling of a Micro-Opto-Mechanical Pressure Sensor (MOMPS) manufactured in a SiN integrated photonic platform. Implemented using a single wavelength Mach Zehnder Interferometer (MZI), it relies on a single readout detector that could be integrated directly on CMOS. Current photonic processes exhibit high residual stresses in the sensitive membrane. In this paper we will focus...
Résumé L’objectif de cet article est de mettre en évidence une stratégie communicationnelle utilisée par médecins et patients au cours d’une consultation d’annonce de diagnostic de glioblastome. La méthode utilisée est une analyse discursive de 20 entretiens pour quatre patients, par le biais de l’usage de deux pronoms « je » et « on ». Sont ainsi décrites les traces d’investissement interpersonnel...
For gynecological treatments, it is standard to acquire CT images and preferably also MR images before each treatment to calculate the dose of the day. The dose of the complete treatment is calculated by adding the dose metrics of each fraction. It makes the conservative assumption that the same part of the organs at risk always receives the highest dose. The dose calculated this way often limits...
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