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IMT 08-20 Internship or Master Thesis: Generation of focused light patterns at fiber tips using Digital Micromirror Device (DMD)

Karlsruhe Institute of Technology (KIT) – The Research University in the Helmholtz Association creates and imparts knowledge for the society and the environment. It is our goal to make significant contributions to mastering the global challenges of mankind in the fields of energy, mobility, and information. For this, about 9300 employees of KIT cooperate in a broad range of disciplines in research, academic education, and innovation.

Organizational unit

Institute of Microstructure Technology (IMT)

Job description

A DMD, “digital micromirror device”, is a micro-opto-electro-mechanical system consisting of upto 8 million micromirrors used in projector systems. Each mirror can be tilted individually to modulate the light to generate complex illumination patterns. The goal of this project is to use a DMD as an optical excitation for studying photo-sensitive bacteria. The light pattern from the DMD is coupled to a multi-mode fiber (MMF) of 50-micron core diameter. By varying the patterns projected on the DMD, the light at the distal end of the fiber can be focused to a 3 µm spot. Genetic optimization algorithm can be used to identify the phase pattern that generates the focused spot. The hardware control of the processor and the camera and the algorithms will be implemented using Python programming.

The specific tasks within the project will be: (i) Embedded system programing; (ii) Genetic algorithm implementation using Python threads; (iii) Testing and optimization of the code in the optical setup to obtain the focused; (iv) Design and fabrication of 3D parts.

You will be integrated in a larger team within the SPA-Lab. This is a complete project, offering the possibility to handle embedded system and optics and test the measurement setup, giving you the opportunity to co-author conference and/or journal publications.

Further information on the Institute of Microstructure Technology (IMT): www.imt.kit.edu

Starting date

as soon as possible

Personal qualification

  • good academic record (marks); curious about various aspects of science;
  • enthusiastic to work in a multidisciplinary environment;
  • independent thinker and team player;
  • in particular: strong interest in Embedded systems, python programming and opto-electronics

Field of study: Mechanical/electrical/computer/informatics engineering

Contract Duration

limited to 6-9 months.

Contact person in line-management

M.Sc. Albina Nirupa Julius, IMT,

+49 721 608-23150 (e-mail: albina.julius@kit.edu)

Dr. Vlad Badilita, IMT,

+49 721 608-29315 (e-mail: vlad.badilita@kit.edu)


If qualified, severely disabled persons will be preferred.

Please apply online using the button below for this vacancy number IMT 08-20.

Personnel Support is provided by

Ms Schaber
Telefon: +49 721 608-25184,

Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany