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

Luminescence

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