Study & working visits
Piotr Ciąćka as a member of the prof. Wojtkowski team took part in a few working visits at the Nicholas Copernicus University. First visit was concerning the measurements of pupillary light reflex in response to strong infra-red light perceived by the human eye due to two-photon absorption process. The scheme of the experiments to be performed on an existing two-photon scanning light ophthalmoscope was established.
This working visit took place at Case Western Reserve University in Cleveland. The goals of the visit were twofold: a) to integrate a pulse picker into the existing TPEF setup in order to optimize the signal for limited average excitation power and b) to build the optical setup from scratch for two-photon excitation fluorescence (TPEF) imaging of rodent eye. The TPEF method is used for investigation of retinal diseases and can help to develop new treatment therapies. The use of infrared light and two-photon process allows one to avoid substantial light absorption in 320-400 nm range.
Jakub Bogusławski as a member of the prof. Wojtkowski team took part in a working visit in Laser & Fiber Electronics Group, Wroclaw University of Science and Technology, Poland. The goal of the visit was to discuss and plan the collaboration about developing and characterization of electro-optic modulators based on graphene. Modulators are fabricated in Aalto University, Micronova Nanofabrication Centers.
Michał Hamkało as a member of the prof. Wojtkowski team took part in a working visit at the Max Planck Institute. The bussines trip was organized in order to perform the first 3D OCT measurements of a beating rabbit hearts (in Langedorrff perfusion system). All measurements were done together by the team of prof. Wojtkowski and their collaborators from Max Planck Institute for Dynamics and Selforganization (dr Jan Christoph, Stephan Luther) in Goettingen and from Institute for Biomedical Optics in Luebeck (T. Pfeiffer, W. Draxonger and prof. Huber).
During the working visit Marta Janczuk-Richter was conducting research in Bionanophotonic Systems Laboratory Group (BIOS) led by professor Hatice Altug in the Swiss Federal Institute of Technology Lausanne (EPFL) in Switzerland. The main goal of the visit was to become familiar with the preparation and measurements of plasmonic biosensors.
The purpose of the visit was twofold: for the new group members to learn the experimental setup and procedure of two-photon vision threshold measurement and to verify applicability of an existing product of Fluence, manufacturer of femtosecond fibre lasers, for this technique. An extra target was to explore requirements of the method and setup to start the process of adapting the Fluence laser when it comes to integration into the measurement device.
During the visit to Swiss Federal Institute of Technology in Lausanne (EPFL, Switzerland), Łukasz Richter carried out research in the Prof. Francesco Stellacci’s group. Main goals of the working visit were 1) to get familiar with techniques of synthetizing and analyzing gold nanoparticles and 2) to analyze the influence of these nanoparticles on bacteriophages (viruses that attack bacteria).
Together with other members of the group Jan Guzowski visited Prof. Roland Zengerle Lab at University of Freiburg, Germany. The agenda of the meeting included presentation by Prof. Zengerle as well as by other two group leaders in his lab, namely Dr. Peter Koltay and Dr. Felix von Stetten. The purpose of the visit was to establish long-term collaboration with prof. Garstecki lab, in particular associated with co-advising by prof. Zengerle of two PhD students, Yu-Ting Kao and Yu-Kai Lai.
Yuriy Stepanenko visited the University of Nevada, Reno. The purpose of this study visit was to continue the collaboration began in 2007 with the group of Laser-plasma interaction at Nevada Terawatt Facility, University of Nevada, Reno. The group uses advanced laser sources for plasma generation, particle acceleration and diagnostics of Z-pinch.
This visit was scheduled in cooperation with one of the best group in the field of ultrafast Optical Coherence Tomography (OCT) – prof. Huber group from Lubeck. The purpose of the visit was to obtain results from ultrafast (up to 100 vol./s) OCT on rabbit and mice hearts. In order to do that, we have made a cooperation with Max Planck for Dynamics and Self-Organization from Goettingen, which gave us a support from biological point of view (also provided with well-prepared hearts).