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We investigate the optical  properties of organic and inorganic thin films, particularly dielectric Bragg reflector (DBR) microcavity systems with organic dye molecules as an active medium.

Figure: Operation of evaporation
chamber LAB500.

We build laterally structured microcavities by shadow mask deposition, oblique angle deposited layers and continuous wedged structures. For optical investigations, we have access to a high resolution microscope setup (CCD panel spectrometer for high resolution emission and laser threshold measurements), a fs - Laser stage and a streak camera.