Design Fabrication And Characterization Of High Stroke High Aspect Ratio Micro Electro Mechanical Systems Deformable Mirrors For Adaptive Optics
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Design Fabrication And Characterization Of High Stroke High Aspect Ratio Micro Electro Mechanical Systems Deformable Mirrors For Adaptive Optics
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Author : Bautista Fernández Rocha
language : en
Publisher:
Release Date : 2011
Design Fabrication And Characterization Of High Stroke High Aspect Ratio Micro Electro Mechanical Systems Deformable Mirrors For Adaptive Optics written by Bautista Fernández Rocha and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Large Stroke Actuators For Adaptive Optics
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Author : Bautista Fernandez Rocha
language : en
Publisher:
Release Date : 2007
Large Stroke Actuators For Adaptive Optics written by Bautista Fernandez Rocha and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Advances In Nanotechnology Research And Application 2012 Edition
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Author :
language : en
Publisher: ScholarlyEditions
Release Date : 2012-12-26
Advances In Nanotechnology Research And Application 2012 Edition written by and has been published by ScholarlyEditions this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-26 with Technology & Engineering categories.
Advances in Nanotechnology Research and Application / 2012 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Nanotechnology. The editors have built Advances in Nanotechnology Research and Application / 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Nanotechnology in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Advances in Nanotechnology Research and Application / 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
International Aerospace Abstracts
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Author :
language : en
Publisher:
Release Date : 1999
International Aerospace Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Aeronautics categories.
Electrical Electronics Abstracts
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Author :
language : en
Publisher:
Release Date : 1997
Electrical Electronics Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Electrical engineering categories.
Design Fabrication And Characterization Of Mems Deformable Mirrors For Ocular Adaptive Optics
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Author : Hyunkyu Park
language : en
Publisher:
Release Date : 2009
Design Fabrication And Characterization Of Mems Deformable Mirrors For Ocular Adaptive Optics written by Hyunkyu Park and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Large Stroke Deformable Mems Mirror For Focus Control
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Author : Seyyed Mohammad Javad Moghimi
language : en
Publisher:
Release Date : 2013
Large Stroke Deformable Mems Mirror For Focus Control written by Seyyed Mohammad Javad Moghimi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Imaging systems categories.
We developed a novel large-stroke deformable mirror for focus control and spherical aberration correction. The mirrors fabricated using MEMS technology provide full range (150-200 microns in tissue) of focus scanning at high numerical aperture (N.A.=0.5-0.7) for confocal microscopy and optical coherence tomography (OCT). In addition to large stroke, low power consumption and high speed operation are other key factors of the developed devices. The impact of this project is broad since the miniaturized deformable mirrors have a wide range of applications. In addition to focus scanning in microscopes they can also be used in small form factor systems such as cell phone cameras and robot vision. Furthermore, laser based microscopes equipped with the focus control mirror may be useful for skin cancer diagnosis and treatment. This thesis consists of seven chapters. The first chapter introduces optical focus control and focus control elements. The second chapter describes different schemes for optical focus control in imaging systems including transmissive variable lenses. The principle of operation, fabrication, and characterization of electrostatic deformable mirrors are reviewed in Chapter 3. High-speed focus control mirrors with controlled air damping are discussed in Chapter 4. In this chapter a model adopted from the analysis of MEMS microphone is used to design the backplate of a MEMS deformable mirror. Moreover, electrostatic-pneumatic MEMS deformable mirrors are introduced in Chapter 5. Analytical model is developed for electrostatic-pneumatic actuation in order to design a MEMS mirror with two membranes. Applications of MEMS deformable mirrors are demonstrated in optical systems in Chapter 6. Finally, a summary and future work are discussed in Chapter 7. The fabrication process details are given in Appendix A.
Foundry Microfabrication Of Deformable Mirrors For Adaptive Optics
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Author : William D. Cowan
language : en
Publisher:
Release Date : 1998-04-01
Foundry Microfabrication Of Deformable Mirrors For Adaptive Optics written by William D. Cowan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-04-01 with Founding categories.
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.
Characterization Of A Micro Electro Mechanical Deformable Mirror For Adaptive Optics Systems For Astronomical Applications
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Author : Edoardo Bellone de Grecis
language : en
Publisher:
Release Date : 2022
Characterization Of A Micro Electro Mechanical Deformable Mirror For Adaptive Optics Systems For Astronomical Applications written by Edoardo Bellone de Grecis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.
Mems Mirrors
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Author : Huikai Xie
language : en
Publisher: MDPI
Release Date : 2018-05-04
Mems Mirrors written by Huikai Xie and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-04 with Technology & Engineering categories.
This book is a printed edition of the Special Issue "MEMS Mirrors" that was published in Micromachines