Read e-book online Adaptive Optics for Industry and Medicine: Proceedings of PDF

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

ISBN-10: 3540239782

ISBN-13: 9783540239789

ISBN-10: 3540288678

ISBN-13: 9783540288671

This publication treats the advance and alertness of adaptive optics for and medication. The contributions describe lately constructed elements for adaptive-optics structures resembling deformable mirrors, wavefront sensors, and replicate drivers in addition to whole adaptive optical structures 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 according to shows made on the 4th overseas Workshop on Adaptive Optics in and drugs which came about in Münster, Germany, in October 2003. This hugely winning sequence of workshops on adaptive optics began in 1997 and maintains with the 5th workshop in Beijing in 2005.

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

Example text

In this work we experimentally demonstrate a wireless control of a liquid crystal adaptive lens in a wide range of its focusing power by using two coupled coils with the primary coil driven from a low-voltage source through a switching control circuit and the secondary coil used to drive the lens. 1 Introduction The aberrations of the human eye can significantly contribute to the loss of the visual acuity [1]. The resolution of the retina can be higher than the resolution of the human eye [2] optic.

When applying appropriate voltages to the driving electrodes, the first tapping electrodes and therefore the connected sub domains will be addressed with low voltages which leads to high phase shift in this area. The last tapping electrodes are provided with high voltages and therefore the last sub domains generate low phase shifts. The comparatively large central plateau is realized 42 S. Somalingam et al. Fig. 7. Phase profile of coma aberration Fig. 8. Electrode design of the LC device to compensate coma aberration Fig.

J. Fernandez, I. Iglesias, P. Artal: Closed-loop adaptive optics in the human eye. Opt. Lett. 26, 746 (2001) 6. C. V. V. Kudryashov: Low-order adaptive deformable mirror. Appl. Opt. 37, 4663 (1998) 7. V. Kudryashov, J. Gonglewski, S. Brownie, R. Highland: Liquid crystal phase modulator for adaptive optics. Temporal performance characterization. Opt. Comm. 141, 247 (1997) 8. F. Naumov, G. Vdovin: Multichannel liquid crystal-based wavefront corrector with modal influence functions. Opt. Lett. 23, 1550 (1998) 9.

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Adaptive Optics for Industry and Medicine: Proceedings of the 4th International Workshop Münster, Germany, Oct. 19–24, 2003 by G. Vdovin (auth.), Professor Dr. Ulrich Wittrock (eds.)

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