Voraussetzungen

Inhalte

Measurement and circuit fundamentals for high-frequency (HF) sensors • Scattering parameters • HF wires: features and models • Antennas as near-field and far-field sensors • Resonators • Electric interferometers • Transceiver • Vector network analyzers (VNA) and power detectors Dielectric properties of materials in biomedicine • Dielectric properties of mixtures (binary, disperse) • Dielectric properties of cells • EEffective permittivity of layered materials • Dielectric phantoms for emulating human tissue Integrated HF Sensors for Biomedicine • Colpitts oscillator for classifying plaque in arteries • Open coaxial cable with VNA as dielectric sensor • Metamaterial resonator for measuring alcohol concentration • Interferometer as cytometer • On-Chip Transducer with integrated Microfluidics for Lab-on-Chip • Millimeter wave transceiver for gas spectroscopy • Reflectometer for measuring the dehydration of the skin Content Laboratory • Getting familiar with the design and simulation software ADS (Keysight) • Design of wire-based dielectric sensors on printed circuit boards in the millimeter wave range • Measurement of liquid materials using self-developed sensors and evaluation based on dielectric models • Comparison measurements with a continuous wave interferometer • On-Wafer measurements of existing integrated sensors and evaluation

Lernziele

Students are familiar with the basic concepts of microwave and millimeter wave sensors in biomedicine. They know how to apply and focus their wide-ranging knowledge from the basic studies to a current field of research and development. In addition, the students have consolidated additional skills such as cooperation, accurateness, perseverance, curiosity, initiative, frustration tolerance and the like.

Prüfungsleistung

• Oral examination 30-45 minutes

Literatur (5)

Pozar, D. M. (2009). Microwave engineering. John Wiley & Sons.
Razavi, B. (2008), Fundamentals of microelectronics. Wiley.
Razavi, B. & Behzad, R. (1998). RF microelectronics (Vol. 2). New Jersey: Prentice Hall
Niknejad, A. M. & Hashemi, H. (Eds.). (2008). mm-Wave silicon technology: 60 GHz and beyond. Springer Science & Business Media
Vander Vorst, A., Rosen, A., & Kotsuka, Y. (2006). RF/microwave interaction with biological tissues (Vol. 181). John Wiley & Sons.

Bemerkungen

• Study programme Physics B.Sc.: Compulsory elective module in complex „Physical Specialised Module“ • Study programme Physics M.Sc.: Compulsory elective module in complex „Minor Subject“