By Ulrich Wittrock

This publication treats the improvement and alertness of adaptive optics for and drugs. The contributions describe lately constructed parts for adaptive-optics platforms comparable to deformable mirrors, wavefront sensors, and reflect drivers in addition to whole adaptive optical structures and their purposes 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 line with shows made on the 4th foreign Workshop on Adaptive Optics in and medication which happened in M?nster, Germany, in October 2003. This hugely winning sequence of workshops on adaptive optics begun in 1997 and maintains with the fifth workshop in Beijing in 2005.

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Extra info for Adaptive Optics for Industry and Medicine : Proceedings of the 4th International WorkshopMünster, Germany, Oct. 19-24, 2003 (Springer Proceedings in Physics) (Springer Proceedings in Physics)

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We used this material in the design of a 39-channel LC-MWC. The design is shown in Fig. 2. It includes two metallization layers (Al/Si alloy), one insulating silicon dioxide layer and one laser annealed silicon carbide layer, which is used for making of the CE. Contacts and contact pads are formed in the upper metallization layer, whereas the lower metal provides wiring between them. In order to provide more reliable connection between the contacts and the CE, contacts should be placed on top of the CE.

Opt. 36, 8056 (1997) 4. J. Knittel, H. Richter, M. Hain, S. Somalingam, T. Tschudi: A liquid crystal lens for spherical aberration compensation in a blu-ray disc system. To be published 5. S. Miyanabe, H. Kuribayashi, K. Yamamoto: New equalizer to improve signalto-noise ratio. Jpn. J. Appl. Phys. 38, 1715 (1999) 6 Wireless Control of an LC Adaptive Lens G. Vdovin1,2 , M. Loktev1 , and X. Zhang1 1 2 Delft University of Technology, EEMCS, Electronic Instrumentation Laboratory Mekelweg 4, 2628 CD Delft, The Netherlands OKO Technologies PO Box 581, 2600 AN Delft, The Netherlands Summary.

The tolerance limit for spherical aberration in a 5 Aberration Compensation Using Nematic Liquid Crystals 37 Fig. 1. Simulation set-up of a BD-type pickup and disk to calculate spherical aberration. The additional glass convex lens with a calculated focal length of 316 mm is necessary to generate the correct wavefront. By evaluation of the LC device in a BD test drive with 50 GB data capacity distributed on two layers, we achieved better results with a glass convex lens with f = 400 mm than with f = 300 mm BD-system is below 20 mλ (RMS).

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