Optical Near Field Recording
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Optical Near Field Recording
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Author : Junji Tominaga
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-12-08
Optical Near Field Recording written by Junji Tominaga and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-08 with Science categories.
Optical disc industry is one of the successful businesses in the world, and huge amounts of discs and drives have been spread all over the world. More than a billion discs are produced and distributed every year. Since the ?rst optical discs – Laser Discs and Compact Discs (CD) – were shipped in the early 1980s, they have rapidly dominated the world music market, and DVDs will replace the video-tape market in the near future. The optical disc and drive technologies consist of the most advanced and integrated systems with regard to optics, physics, chemistry, mathematics, electronics, mechanics and related subjects; a huge number of scientists and engineers have engaged in the research and development of the systems. One of the key factors of the development of the optical disc systems, of course, results in the availability of cheap, stable, and reliable semiconductor laser units. Now, you can store data up to 4. 7GB on a single side of the 12-cm DVD, and in the near future, blue laser technology will allow storage of more than 20GB on the same size disc. We should not however forget the other core technologies such as focusing the beam on the surface of a spinning disc precisely, and encoding and decoding digital data. The data capacity of optical discs has increased from 0. 65GB to 25GB by the year 2003, and we certainly believe it will continue to increase with new technologies.
Optical Near Field Recording
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Author : Junji Tominaga
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-01-07
Optical Near Field Recording written by Junji Tominaga and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-01-07 with Technology & Engineering categories.
Optical disc industry is one of the successful businesses in the world, and huge amounts of discs and drives have been spread all over the world. More than a billion discs are produced and distributed every year. Since the ?rst optical discs – Laser Discs and Compact Discs (CD) – were shipped in the early 1980s, they have rapidly dominated the world music market, and DVDs will replace the video-tape market in the near future. The optical disc and drive technologies consist of the most advanced and integrated systems with regard to optics, physics, chemistry, mathematics, electronics, mechanics and related subjects; a huge number of scientists and engineers have engaged in the research and development of the systems. One of the key factors of the development of the optical disc systems, of course, results in the availability of cheap, stable, and reliable semiconductor laser units. Now, you can store data up to 4. 7GB on a single side of the 12-cm DVD, and in the near future, blue laser technology will allow storage of more than 20GB on the same size disc. We should not however forget the other core technologies such as focusing the beam on the surface of a spinning disc precisely, and encoding and decoding digital data. The data capacity of optical discs has increased from 0. 65GB to 25GB by the year 2003, and we certainly believe it will continue to increase with new technologies.
Fabrication Of Silicon Microprobes For Optical Near Field Applications
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Author : Phan Ngoc Minh
language : en
Publisher: CRC Press
Release Date : 2018-10-08
Fabrication Of Silicon Microprobes For Optical Near Field Applications written by Phan Ngoc Minh and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-08 with Technology & Engineering categories.
The development of near-field optics marked a major advance in microscopy and our ability to develop nanoscale technologies. However, the tapered optical fiber widely in use as the optical near-field probe has serious limitations in its fabrication, its optical transmission efficiency, and its use in arrays. Fabrication of Silicon Microprobes for Optical Near-Field Applications reports on several technological approaches to using silicon micromachining techniques for fabricating microprobes without the drawbacks of conventional optical fiber probes. The authors have developed a simple, effective method for batch-process production of silicon cantilevered probes with apertures as small as 20 nanometers. They have investigated in detail the probes' optical performance characteristics and show how the silicon probes overcome the limitations of the optical fiber probes in terms of production throughput, optical throughput, reproducibility, simplicity of instrumentation, and mechanical performance.
Near Field Optical Data Storage Avenues For Improved Performance
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Author : Tom D. Milster
language : en
Publisher:
Release Date : 2000
Near Field Optical Data Storage Avenues For Improved Performance written by Tom D. Milster and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
Because they produce small spot size, near-field techniques are applied to optical data storage systems in order to increase recording density. For data storage, the optical near field is defined in terms of evanescent coupling between the system used to read data and the recording layer. Two practical implementations that use evanescent energy are aperture probes and solid immersion lenses (SILs). In this paper, the basic characteristics of these systems are reviewed, and some considerations for improving performance are discussed. Combinations of SILs and apertures could produce data storage systems with ultra-fine resolution and good detection characteristics.
Near Field Optics
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Author : Xing Zhu
language : en
Publisher: World Scientific
Release Date : 2000
Near Field Optics written by Xing Zhu and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Science categories.
Near-field optics, dealing with the interaction between optical field and matter in the nanometric region, has become an interdisciplinary field spaning physics, chemistry, materials science, electrical engineering and high density data storage. This book reflects the recent status of this rapidly growing field. It discusses the basic theories, instrumentation, novel probes, theoretical simulations, and the application of near-field optics to the fields of condensed matter physics, new materials, information storage, atom photonics, etc. It provides an overview of the research on near-field optics in the 1990s.
Optical Nanotechnologies
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Author : Junji Tominaga
language : en
Publisher: Springer Science & Business Media
Release Date : 2003-06-13
Optical Nanotechnologies written by Junji Tominaga and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-06-13 with Science categories.
This book treats the phenomena and techniques of advanced optics confined in nanometer-scale regions, especially near-field optics and surface as well as local plasmons. Written by internationally distinguished scientists the coverage extends from the basics to the most advanced technologies, system characteristics and methods of manipulation.
Encyclopedia Of Optical And Photonic Engineering Print Five Volume Set
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Author : Craig Hoffman
language : en
Publisher: CRC Press
Release Date : 2015-09-22
Encyclopedia Of Optical And Photonic Engineering Print Five Volume Set written by Craig Hoffman and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-22 with Science categories.
The first edition of the Encyclopedia of Optical and Photonic Engineering provided a valuable reference concerning devices or systems that generate, transmit, measure, or detect light, and to a lesser degree, the basic interaction of light and matter. This Second Edition not only reflects the changes in optical and photonic engineering that have occurred since the first edition was published, but also: Boasts a wealth of new material, expanding the encyclopedia’s length by 25 percent Contains extensive updates, with significant revisions made throughout the text Features contributions from engineers and scientists leading the fields of optics and photonics today With the addition of a second editor, the Encyclopedia of Optical and Photonic Engineering, Second Edition offers a balanced and up-to-date look at the fundamentals of a diverse portfolio of technologies and discoveries in areas ranging from x-ray optics to photon entanglement and beyond. This edition’s release corresponds nicely with the United Nations General Assembly’s declaration of 2015 as the International Year of Light, working in tandem to raise awareness about light’s important role in the modern world. Also Available Online This Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for researchers, students, and librarians, including: Citation tracking and alerts Active reference linking Saved searches and marked lists HTML and PDF format options Contact Taylor and Francis for more information or to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367; (E-mail) [email protected] International: (Tel) +44 (0) 20 7017 6062; (E-mail) [email protected]
Progress In Nano Electro Optics Iii
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Author : Motoichi Ohtsu
language : en
Publisher: Springer
Release Date : 2005-12-17
Progress In Nano Electro Optics Iii written by Motoichi Ohtsu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-17 with Science categories.
This unique monograph series "Progress in Nano-Electro Optics" reviews the results of advanced studies of electro-optics on the nanometric scale. This third volume covers the most recent topics of theoretical and experimental interest including classical and quantum optics, organic and inorganic material science and technology, surface science, spectroscopy, atom manipulation, photonics, and electronics. The first two volumes addressed the "Basics and Theory of Near Field Optics" (2002) and "Novel Devices and Atom Manipulation" (2003).
Near Field Optics
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Author : Motoichi Ohtsu
language : en
Publisher: SPIE-International Society for Optical Engineering
Release Date : 1999
Near Field Optics written by Motoichi Ohtsu and has been published by SPIE-International Society for Optical Engineering this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Computers categories.
Phase Retrieval For Object And Probe In The Optical Near Field
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Author : Anna-Lena Robisch
language : en
Publisher: Göttingen University Press
Release Date : 2016
Phase Retrieval For Object And Probe In The Optical Near Field written by Anna-Lena Robisch and has been published by Göttingen University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Lensless, holographic X-ray microscopy is a non-invasive imaging technique that provides resolution on the nanometer scale. Therefore, a divergent, coherent and especially clean wave front impinging on the sample is needed. Yet, focusing X-rays by even the most advanced X-ray mirrors causes so called figure errors of high spatial frequency content. The results are strongly deteriorated intensity profiles that are often even more pronounced than the holographic image of the sample itself. A common strategy to compensate these figure errors is to divide the hologram by the pure intensity profile of the beam (the so called flat field). However, this division is only valid in the limiting case of an illumination focused down to a point source. In reality, as a consequence of a fi nite spot size, one has to accept a loss in resolution when performing the flat field correction. An approach different from the described straightforward procedure is necessary. Here, the simultaneous reconstruction of object and probe is proposed using holograms which were not flat field corrected before phase retrieval. To this end, a method has been developed that allows simultaneously reconstructing object and probe in amplitude and phase from holographic intensity recordings. The experimental way of proceeding was mainly inspired by well-established holographic full-field X-ray imaging techniques that require holograms defocused to different degrees. Consequently, the conclusion seems reasonable that diversity in the optical near-field arises mainly from variation of the propagation distance of light. This so called longitudinal diversity is used to properly phase the transmission function of the sample of interest. The algorithmic strategy of simultaneous phase retrieval for object and probe draws on far-field ptychography where lateral translations of the sample create diverse diffraction patterns. In view of the need for longitudinal diversity realized by shifts of the sample along the optical axis, ptychography has been generalized and adapted for the optical near-field. Hence, translations of the sample in all three dimensions of space need to be exploited to collect enough information about object and probe such that both can be reconstructed simultaneously in amplitude and phase. Concepts have been put into practice by simulations as well as by experiments with coherent visible light and hard X-rays from synchrotron sources. The presented approach offers the opportunity to perform high resolution imaging, to be extended to tomography and to be adapted to super-resolution experiments.