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Archiv-Übersicht     Angebot Nr. 13219

Angebotsdatum: 7. Januar 2019
Art der Stelle: Diplomarbeit
Fachgebiet: Physik > Angewandte Physik
Titel des Themas: Radio Frequency Resonator (RF Coil) Design for Concurrent Excitation and Acquisition MRI

Institut: Uniklinik Freiburg
Adresse:
Prof. Michael Bock
Killianstr. 5a
79106 Freiburg
Tel.: +49 761 270 94140   Fax.:
Bundesland: Baden-Württemberg
Homepage: http://https://www.uniklinik-freiburg.de/mr-en/research-groups/exprad.html
E-Mail Kontakt: mail

Beschreibung: In Magnetic Resonance Imaging (MRI), RF coils are used both for exciting the spins and to detect the signal induced from the spins. An efficient, optimal RF coil enhances the signal to noise ratio tremendously. Recently we have invented a novel MRI system for implementing the “Concurrent Excitation and Acquisition (CEA)” concept, where the MR signal is excited and detected simultaneously. CEA facilitates a more time- and power-efficient MRI, and can also detect signal from tissue with extremely short relaxation time such as bones, myelinated neurons, etc.
In this master’s project, a linearly polarized volume coil will be tuned at 123 MHz as a transmit coil and a two-element receive coil array will be constructed to acquire MRI signal simultaneously. Additionally, the interface and decoupling circuits will be constructed.
Methoden: The successful candidate should have an interest and initial experience/background in:
• Electromagnetics
• Radio frequency electronics
• Soldering
We offer:
• An interdisciplinary dynamic research environment
• State-of-the-art lab equipment
• Improving RF circuit design and soldering skills
• A better understanding of electromagnetic fields generated by resonators
• A potential extension of the project towards a PhD study.

The starting date is negotiable.
Anfangsdatum: 1. Februar 2019
Geschätzte Dauer: 12 months
Bezahlung:
Papers: Özen AC, Atalar E, Korvink JG, Bock M. In vivo MRI with Concurrent Excitation and Acquisition using Automated Active Analog Cancellation. Sci Rep. 2018 Jul 13;8(1):10631.
doi: 10.1038/s41598-018-28894-w.
Sonstiges: For further information please contact:
Dr. Ali Caglar Özen (ali.oezen@uniklinik-freiburg.de)

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