Classical imaging optics systems have a very long tradition and are relatively well controlled. However, it has been found that with the use of modern system components, such as arrays, segmented mirrors, spatial light modulators or freeform surfaces or novel detection systems, many of the conventional methods are not sufficient and need to be further developed.

Another topic are lighting systems that are classically designed only with relatively simple modeling tools and must be therefore improved. Here, completely different criteria and success factors grap, such as efficiency and thermal stability, and general research and development is needed. Specifically, nowadays the simulation still got major problems in the physical effects and mechanisms of action in connection with general partial coherent non-classical light sources.
The aim of the project is to create the necessary models and algorithms for the simulation and to provide practical implementations.

The topics and their sub-projects are:

1 Physical optical simulation methods

1.1 Models and algorithms for systems with complex component
1.2 Efficient wave-optical calculation of 'Bad systems'
1.3 Modeling of systems with embedded micro systems
1.4 Light propagation in inhomogeneous media

2 Layout of complex systems

2.1 Optimization of segmented components in systems
2.2 Inclusion of wave-optical effects in the system optimization
2.3 Criteria and analysis of multi -path systems
2.4 Analysis, synthesis and optimization of free-form surfaces systems

3 Partially coherent systems

3.1 Efficient calculation algorithms for partial coherent pictures
3.2 Propagation partial coherent multimode radiation
3.3 Measurement partial coherent light sources
3.4 Speckle Simulation

4 Layout and optimization of incoherent illumination systems

4.1 Calculation by transport of intensity equation
4.2 Light propagation in scattering media
4.3 Optimization of incoherent illumination systems

5 Layout of high-energy laser systems

5.1 Integrated thermo-optical mechanical simulation of beam propagation
5.2 Simulation of frequency doubling
5.3 Axial pump systems with LED sources
5.4 Mode selection and spectral performance of resonators
5.5 Adaptive beam profiling

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