Foundry Microfabrication Of Deformable Mirrors For Adaptive Optics
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Foundry Microfabrication of Deformable Mirrors for Adaptive Optics
Author | : William D. Cowan |
Publsiher | : Unknown |
Total Pages | : 285 |
Release | : 1998-04-01 |
Genre | : Founding |
ISBN | : 1423560620 |
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Microelectromechanical Systems (MEMS) is a rapidly emerging field of research in which batch fabrication processes are used to construct miniature devices. MEMS devices are particularly well suited to optical applications. Foundry microfabrication offers a substantial cost advantage for prototype system development. In this research, foundry MEMS processes are used to fabricate low-cost deformable mirror systems (MEM-DMs) for adaptive optics. The challenges and design trades associated with fabrication of continuous and segmented deformable mirrors in foundry processes are examined in detail. Micromirror surface figure is shown to be critically important. Beam steering and optical aberration correction experiments conclusively demonstrate the potential of low-cost MEM-DMs. The prototype MEM-DM systems are approximately 1/ 500th the cost of conventionally manufactured deformable mirrors. An innovative direct digital control scheme further reduces adaptive optic system cost by eliminating the digital to analog converter typically required for each controlled element. In addition to the MEM-DMs, other MEMS devices are shown. The thermally actuated piston micromirrors offer greater deflections for operation at longer optical wavelengths. Other MEMS devices examined include a series of tilting mirrors, pressure gauges, test structures, electrostatic scratch drive actuated rotors, and a new type of electrostatic cantilever motor with lateral motion output.
Photonic Devices and Algorithms for Computing
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 312 |
Release | : 1999 |
Genre | : Computer algorithms |
ISBN | : UOM:39015048512209 |
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Modeling and Control of Magnetic Fluid Deformable Mirrors for Adaptive Optics Systems
Author | : Zhizheng Wu,Azhar Iqbal,Foued Ben Amara |
Publsiher | : Springer Science & Business Media |
Total Pages | : 323 |
Release | : 2012-10-22 |
Genre | : Technology & Engineering |
ISBN | : 9783642322297 |
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Modeling and Control of Magnetic Fluid Deformable Mirrors for Adaptive Optics Systems presents a novel design of wavefront correctors based on magnetic fluid deformable mirrors (MFDM) as well as corresponding control algorithms. The presented wavefront correctors are characterized by their linear, dynamic response. Various mirror surface shape control algorithms are presented along with experimental evaluations of the performance of the resulting adaptive optics systems. Adaptive optics (AO) systems are used in various fields of application to enhance the performance of optical systems, such as imaging, laser, free space optical communication systems, etc. This book is intended for undergraduate and graduate students, professors, engineers, scientists and researchers working on the design of adaptive optics systems and their various emerging fields of application. Zhizheng Wu is an associate professor at Shanghai University, China. Azhar Iqbal is a research associate at the University of Toronto, Canada. Foued Ben Amara is an assistant professor at the University of Toronto, Canada.
Dissertation Abstracts International
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 726 |
Release | : 1998 |
Genre | : Dissertations, Academic |
ISBN | : STANFORD:36105022076256 |
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MEMS Mirrors
Author | : Huikai Xie |
Publsiher | : MDPI |
Total Pages | : 217 |
Release | : 2018-05-04 |
Genre | : Electronic books |
ISBN | : 9783038428671 |
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This book is a printed edition of the Special Issue "MEMS Mirrors" that was published in Micromachines
Optical Engineering
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 790 |
Release | : 2000 |
Genre | : Electronic journals |
ISBN | : CORNELL:31924077855942 |
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Publishes papers reporting on research and development in optical science and engineering and the practical applications of known optical science, engineering, and technology.
Adaptive Optical System Technologies
Author | : Domenico Bonaccini,Robert K. Tyson |
Publsiher | : SPIE-International Society for Optical Engineering |
Total Pages | : 506 |
Release | : 1998 |
Genre | : Astronomical instruments |
ISBN | : STANFORD:36105021454611 |
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Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.
Adaptive Optical System Technologies
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 512 |
Release | : 1998 |
Genre | : Astronomical instruments |
ISBN | : CHI:51923603 |
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