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Chair of optics

Institute:	Friedrich-Alexander-Universitaet Erlangen-Nuernberg
Address:	Staudtstr. 7/B2 91058 Erlangen Germany
Website:	http://www.optik.uni-erlangen.de/
Contact person	Lindlein Norbert
Presentation:	FAU.pdf (735.08 kB)

Description

The Friedrich-Alexander-Universität Erlangen-Nürnberg is the second largest university of Bavaria and has a history of more than 260 years. The Chair of Optics which is part of the physics faculty as founded by Prof. Dr. Adolf Lohmann in 1973 and is headed since 1994 by Prof. Dr. Gerd Leuchs. Since summer 2003 the Chair of Optics is part of a newly founded Institute of Optics, Information and Photonics (Director: Prof. Dr. G. Leuchs) which is partly financed by the Max-Planck society for the first 5 years. The Chair of Optics has at present about 60 co-workers, PhD and diploma students. The microoptics activities started in 1986 in connection with several projects around optical computing and optical interconnects.
The group ODEM (Optical Design and Microoptics) of Prof. Dr. Johannes Schwider with about 10 members is known world-wide because of its tradition in microoptics, especially interferometric testing of microlenses. This group will be headed in the future by Priv.-Doz. Dr. Norbert Lindlein because Prof. Schwider retires at the end of October 2003. The group has a lot of knowledge in fabricating diffractive optical elements and refractive microlenses, testing of refractive microlenses by interferometric methods and design of optical systems. There is also a lot of experience with Shack-Hartmann wavefront sensors using refractive microlens arrays.
The Chair of Optics houses a laser lithography machine in a clean room environment and a reactive ion etching device for microstructuring. There exist several interferometers for testing microlenses (rotationally symmetric and cylindrical lenses) in transmitted or reflected light. For the design and analysis of optical systems there exists the internal software tool RAYTRACE and several other special but less comfortable internal software tools. With all this equipment the Chair of Optics will contribute to the respective "Modelling and Design" and "Measurement and Instrumentation" service and technology providing centres of NEMO.
The current research focus of the group ODEM is the interferometric measurement of cylindrical lenses, the development of new simulation procedures for optical systems by combining for example ray and wave optical methods and the fabrication of slow microlenses by direct grayscale writing with the laser lithography machine. Another project studies the influence of coherence effects to the measurement accuracy of a Shack-Hartmann wavefront sensor for ophthalmic applications.