Image Guided Laser Surgery Group

Optical coherence tomography (OCT) on porcine vocal chords

fs-laser cut pattern in porcine eyes

High-speed photography of two cavitation bubbles in water due to focused fs-laser pulses

Main Work Areas

Imaging using optical coherence tomography (OCT)
Exogen-dye-free laser microscopy Lasermikroskopie
OCT-image-guided eye surgery using fs-lasers
High-speed photography of laser-tissue interaction
Focus forming using adaptive optics
Laser-optical stimulation in the cochlea

Current Scientific Activities and Projects

Investigations on the pulse-to-pulse interaction for cut optimization for high-repetition laser sources for fs-laser systems used for medical applications (DFG):

Optimization of fs-laser applications on biological tissue
Influence of pulse-overlapping of modern laser systems on the cut quality
High-speed photography of cavitation bubble interaction

Investigation of the accommodation behavior of the eye lens after femtosecond laser induced (fs-laser) cuts have occurred (DFG):

Improved accommodation distance
Finite-Element-Simulation and experiments
OCT-control of cuts made in a lens stretcher

Transregio SFB 37 Subproject A5: Optically induced excitation of the cochlea. Development of an opto-acustic actor for the cochlea with nanosecond resolution.

Cochlea implant with laser-optical stimulation
Opto-acustical or neuronal interaction
Application parameters and application design

Transregio SFB 37 Subproject Q1: Optical, multimode in vivo imaging of cellular, intra- and peri-implant processes:

3-D microscopic imaging of anatomy, functions and metabolism of cellular micro- and nanostructures and their environment
Multi-photon microscopy, in-vivo scattered light confocal microscopy, optical coherence tomography

Innovative cataract, presboypia, and retina treatmen using ultra-fast lasers - IKARUS (BMBF):