Summer School 2018

29.10.2018 – 31.10.2018

The seminar program aims to educate Ph.D. students or Post-Docs, to promote innovation, and to initiate novel research projects or collaborations. Seminar contents are suitable for basic training or more advanced inquiry.


Overview: Global Laser, Lighting & Scintillator Opportunities

  • Interaction of light with matter
  • Light as the basis of life
  • Conventional & emerging applications
  • Markets for lasers, light sources, luminescent materials, and scintillators

Light Sources: What They Are & How They Work

  • Basics of human vision
  • Physical processes of light generation
  • Classification of light sources: Incandescent and halogen lamps, low- and high-pressure discharge lamps, chemical light sources, solid state lamps (electroluminescent, inorganic LEDs, organic LEDs, polymer LEDs, Laser)
  • Lamp and laser spectra
  • Colour systems, colour rendering, (photo)thermal degradation, linearity, saturation, & spectral shift
  • Lifetime & rating methods
  • Measuring efficacy & energy efficiency
  • Standards & specifications


  • Definition and types
  • Energy level and configuration coordinate diagrams
  • Absorption and ESA
  • Excitation mechanisms
  • Energy transfer and cross-relaxation
  • Loss processes
  • Thermal quenching
  • Lifetime of the excited state, spontaneous and stimulated emission
  • Luminescence of ions with s2-configuration
  • Luminescence of transition metal ions
  • Luminescence of rare earth ions
  • Up- and down-conversion
  • Afterglow and storage

Materials: Properties & Prospects

  • Structure-property relations
  • Electrical, magnetical and optical properties
  • Theory: Simulation and prediction of physical properties
  • Luminescent materials: Fluorides, oxides, (oxy)nitrides, carbo- or boronitrides, and (oxy)sulphides
  • Nanoscale phosphors
  • Metal complexes and metal-organic frameworks (MOFs)
  • (Glass) Ceramic converters
  • Mercury, sodium & other discharge elements, compound semiconductors
  • Quantum dots, wires, layers, and 3D photonic materials

Visual Applications

  • Illumination for commercial and consumer uses
  • Signals, signs & optical markers
  • Information displays: PDP, LCD, Laser displays

Medical and Physiological Applications

  • Optical diagnostics
  • Photobiology & photomedicine
  • Illumination for human health and well-being
  • Disinfection & purification (water, air, surfaces, medical equipment)
  • Plant growth & regulation systems: conventional & emerging
  • Light sources for greenhouses and indoor farming (thermal radiators, fluorescent & sodium lamps, LEDs)
  • Promising crops & laboratory materials

Industrial Applications

  • Photochemical reactions in industrial processes
  • Machine vision
  • Digital communication & data processing
  • Security & defence


  • 1st Day (Monday)
    • 14.00h Reception and organizational issues
    • 15.00h Introduction
    • 16.00h Get-together
  • 2nd Day (Tuesday)
    • 10.00h Lecture
    • 11.30h Lecture
    • 13.00h Lunch Break
    • 15.00h Lecture
    • 16.30h Lecture, exercises, time for questions
    • 18.00h End of Lectures
    • 19.00h Poster session
  • 3rd Day (Wednesday)
    • 10.00h Lecture
    • 11.30h Lecture
    • 13.00h Lunch Break
    • 15.00h Lecture
    • 16.30h Lecture, exercises, time for questions
    • 18.00h End of Lectures
    • 19.00h “Farewell party”