A. Sodah “Development and analysis of microelectromechanical sensors for human health care monitoring” doctoral dissertation defence

Thesis Defense

Author, Institution: Amer Sodah, Kaunas University of Technology

Science area, field of science: Technological Sciences, Mechanical Engineering, T009

Scientific Supervisor:  Prof. Dr. Arvydas Palevičius (Kaunas University of Technology, Technological Sciences, Mechanical Engineering, T009)

Dissertation Defence Board of Mechanical Engineering Science Field:
Prof. Dr. Habil.  Vytautas Osteševičius (Kaunas University of Technology, Technological Sciences, Mechanical Engineering, T009) chairman
Prof. Dr. Habil. Algimantas Bubulis (Kaunas University of Technology, Technological Sciences, Mechanical Engineering, T009),
Prof. Dr. Sergei Kruchinin (Bogolyubov Institute for Theoretical Physics, Ukraine, Natural Sciences, Physics, N002),
Prof. Dr. Habil. Genadijus Kulvietis (Vilnius Gediminas Technical University, Technological Sciences, Mechanical Engineering, T009).

The doctoral dissertation is available on the internet and at the libraries of Kaunas University of Technology (K. Donelaičio g. 20, Kaunas) and Vytautas Magnus University (Studentų g. 11, Akademija, Kauno raj.).


The daily life of the contemporary population is nowadays inconceivable without products created by using micro and nano technologies which help solving major issues in medicine, mechatronics, energy production, food industry, ecology and in other areas of industry. Presently, one of the most challenging tasks of engineering is to improve the sensibility, optical and mechanical properties, as well as the surface morphology of active optical elements (two-dimensional periodic microstructures) used in microsystems, and to adjust them to the most relevant medical studies, biochemistry, food and agriculture industries, to the control of fermentation, and to the research of environmental parameters. The use (operation) of MOEMS and their functional elements for accumulation and processing of real-time information on the human’s health state is one of the most significant and interesting applications. The usage of such microsystems aimed to monitor human health allows avoiding unexpected ailments, and enables to start early stage treatment or illness prophylaxis. However, in order to ensure higher functionality of such systems, it is necessary to develop a new type of optical elements with microstructures which ensure a higher cryptographic level. The currently existing microstructure replication technologies do not provide high diffraction efficiency required for their use in visual cryptographic systems, thus it is important to improve the already existing options and to develop new microstructure replication and forming technologies which would ensure high reproducibility of the structure of micro-reliefs generated by digital holographic methods throughout the area of the element in use. Therefore, technology that enables such a technological task to be achieved (solved) is the main objective of this thesis.

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