Adaptive Optics for Industry and Medicine: Proceedings of by G. Vdovin (auth.), Professor Dr. Ulrich Wittrock (eds.)

By G. Vdovin (auth.), Professor Dr. Ulrich Wittrock (eds.)

This ebook treats the advance and alertness of adaptive optics for and drugs. The contributions describe lately built parts for adaptive-optics platforms resembling deformable mirrors, wavefront sensors, and replicate drivers in addition to entire adaptive optical platforms and their functions in and drugs. functions variety from laser-beam forming and adaptive aberration correction for high-power lasers to retinal imaging in ophthalmology. The contributions are in keeping with shows made on the 4th foreign Workshop on Adaptive Optics in and medication which happened in Münster, Germany, in October 2003. This hugely profitable sequence of workshops on adaptive optics began in 1997 and maintains with the 5th workshop in Beijing in 2005.

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Extra resources for Adaptive Optics for Industry and Medicine: Proceedings of the 4th International Workshop Münster, Germany, Oct. 19–24, 2003

Example text

Another technological option is represented by silicon technology; we discuss it in this paper. Silicon technology allows to form the required structure of actuators on the surface of a silicon chip using standard integrated circuit (IC) manufacturing processes. An important advantage is provided by the possibility to integrate an optical part of the device and a part of control electronics in a single chip. In particular, it allows reducing the number of inputs of the chip relative to the number of actuators, making the technology scalable in that way.

9. Visualized phase shift under two crossed polarizes and the measured phase profile using a Shack–Hartmann sensor using an appropriate large sub domain, which is provided with a medial voltage. 9a visualizes the different phase shifts under two crossed polarizers when illuminated with white light. 9b shows a preliminary measurement of the wavefront when LC device was switched on. One can see clearly the typical phase profile of coma. Changing the initial voltage distribution results in a variation of the total phase shift.

Opt. 43, 2209 (2004) 7. V. R. P. Y. F. Naumov: Liquid crystal lenses with programmable focal distance. Part I: Theory. Part II: Experiment. Quant. Electr. 29, 256 (1999) 8. M. Pham, T. R. M. Sarro: Electrical characteristics of plasma-enhanced chemical vapor deposited silicon carbide thin films. Materials Science Forum 433, 451 (2002) 9. M. W. De Lima Monteiro, G. Vdovin: Comparison study of the performance of piston, thin plate and membrane mirrors for correction of turbulence-induced phase distortions.

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