Characterization of light sources (Dipl.-Phys. Bernd Seme, Dipl.-Chem Anke Drewitz):

• Absolute measurement of irradiance and illuminance
• Determination of spectral emission (200 nm to 1700 nm) and spatial radiation characteristics
• Evaluation of photochemical and –biological effectiveness
• Chemical actinometry
• Evaluation of hazard potential

Chemical analysis and characterization of functional dyes (Dipl.-Chem. Anke Drewitz):

• Development of analytical methods for effectiveness assessment of water-, wastewater and air purification
• Steady state fluorescence measurements with high sensitivity of solid, liquid and heterogeneous samples (200 nm – 1100 nm), determination of fluorescence quantum yield
• Evaluation of photocatalyst and photosensitizer efficiencies

• Methods:
  • Optical Spectroscopy (UV / VIS / NIR / FTIR, Transmission / diffuse and specular reflectance / ATR / Luminescence / time resolved fluorescence)
  • Chromatography (HPLC, GC-FID, GC-MS)
  • Sum parameter (COD)

Special coatings and Characterization (Dr. Norbert Winkler):

• Development of coating solutions using Sol-Gel Technology (Dip-, Spin- and Print-Coating)
  • For sensors (e.g. ammonia, pH-value, humidity)
  • For emitters (UV, VIS)
  • For photocatalytic processes
• Viscosity measurement (rotational viscosimetry)
• Determination of thickness, density, refractive index, transmission, also for multilayer coatings (Spectroscopic Ellipsometry, Optical Spectroscopy)

Medical technology (Dipl.-Ing. Armin Scheibe):

• Design and supervision of clinical studies of medical products and therapeutics in dermatology using noninvasive, optical spectroscopy based diagnostics (fibre based diffuse reflectance and fluorescence measurements in VIS/NIR, also imaging)

Spectral-Imaging:

• Simultaneously spatially and spectrally resolved measurements of fluorescence, emission, diffuse reflectance or transmission/absorption in UV, VIS and NIR, Raman-scattering
• Application studies of multicolor fluorescence-labeled or autofluorescent biological samples and assays
• Application studies on combustion processes in flames by optical analysis in the UV and VIS

Chemical sensors (Dr. Norbert Winkler):

• Custom-designed optical and opto-chemical sensor solutions for environmental and process control (e.g. ammonia, ozone)

Microbiological services (Dipl.-Biol. Kerstin Günther):

• Cultivation and maintenance of bacteria / fungi / yeasts / algae
• Growth studies and microscopic documentation
• Evaluation of microbiological effectiveness of processes and materials