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Design And Construction Of A Vacuum Compatible Near Field Scanning Optical Microscope
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Book Synopsis Design and Construction of a Vacuum Compatible Near-field Scanning Optical Microscope by : Kristin Leigh Galbally
Download or read book Design and Construction of a Vacuum Compatible Near-field Scanning Optical Microscope written by Kristin Leigh Galbally and published by . This book was released on 2002 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Near-field Scanning Optical Microscope by : John Philip Dunn
Download or read book A Near-field Scanning Optical Microscope written by John Philip Dunn and published by . This book was released on 2009 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis discusses the design and construction of a Near-field Scanning Optical Microscope (NSOM). Basic principles of operation, the characteristics of the hardware components, and the control software are discussed. A unique method of controlling the position of the probe is developed, and scans of a diffraction grating are presented. We show the influence that the surface topology and reflectivity and the interference of direct and reflected light have on the images. A second design of the instrument, for use in a vacuum chamber and with a flexure stage for lateral motion, is accomplished.
Book Synopsis Near Field Scanning Optical Microscopy by : Walid Ali Atia
Download or read book Near Field Scanning Optical Microscopy written by Walid Ali Atia and published by . This book was released on 1996 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atomic Force Microscopy, Scanning Nearfield Optical Microscopy and Nanoscratching by : Gerd Kaupp
Download or read book Atomic Force Microscopy, Scanning Nearfield Optical Microscopy and Nanoscratching written by Gerd Kaupp and published by Springer Science & Business Media. This book was released on 2006-10-24 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Making a clear distinction is made between nano- and micro-mechanical testing for physical reasons, this monograph describes the basics and applications of the supermicroscopies AFM and SNOM, and of the nanomechanical testing on rough and technical natural surfaces in the submicron range down to a lateral resolution of a few nm. New or improved instrumentation, new physical laws and unforeseen new applications in all branches of natural sciences (around physics, chemistry, mineralogy, materials science, biology and medicine) and nanotechnology are covered as well as the sources for pitfalls and errors. It outlines the handling of natural and technical samples in relation to those of flat standard samples and emphasizes new special features. Pitfalls and sources of errors are clearly demonstrated as well as their efficient remedy when going from molecularly flat to rough surfaces. The academic or industrial scientist learns how to apply the principles for tackling their scientific or manufacturing tasks that include roughness far away from standard samples.
Book Synopsis Near-Field Scanning Optical Microscopy and Spectroscopy by :
Download or read book Near-Field Scanning Optical Microscopy and Spectroscopy written by and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The near-field scanning optical microscope, or NSOM, proyides spatial resolution of surface features considerably smaller than the wavelength of the radiation used to image. We have focused on both the development and the use of the NSOM. In the former, we considered the confinement of optical fields to nanometric structures. We analyzed the delivery of light from the far-field to the near-field region in tapered optical fibers. Our analysis led to the design and development of near-field probes of that allow for the performance of relatively light-starved NSOM experiments. Using such probes, we have demonstrated a capability of using spectral contrast in near-field imaging. In studies of KTP, for example, we have performed nano-Raman spectroscopy samples, and have imaged sub-wavelength surfaces features using only Raman-scattered light. In ongoing research we have launced further efforts to improve probe design and have begun nano-Raman investigations Mercury Cadmium Telluride and semiconducting diamond.
Book Synopsis Confocal Scanning Optical Microscopy and Related Imaging Systems by : Timothy R. Corle
Download or read book Confocal Scanning Optical Microscopy and Related Imaging Systems written by Timothy R. Corle and published by . This book was released on 1996 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive introduction to the field of scanning optical microscopy for scientists and engineers. The book concentrates mainly on two instruments: the Confocal Scanning Optical Microscope (CSOM), and the Optical Interference Microscope (OIM). A comprehensive discussion of the theory and design of the Near-Field Scanning Optical Microscope (NSOM) is also given. The text discusses the practical aspects of building a confocal scanning optical microscope or optical interference microscope, and the applications of these microscopes to phase imaging, biological imaging, and semiconductor inspection and metrology.A comprehensive theoretical discussion of the depth and transverse resolution is given with emphasis placed on the practical results of the theoretical calculations and how these can be used to help understand the operation of these microscopes. Key Features * Provides a comprehensive introduction to the field of scanning optical microscopy for scientists and engineers * Explains many practical applications of scanning optical and interference microscopy in such diverse fields as biology and semiconductor metrology * Discusses in theoretical terms the origin of the improved depth and transverse resolution of scanning optical and interference microscopes with emphasis on the practical results of the theoretical calculations * Considers the practical aspects of building a confocal scanning or interference microscope and explores some of the design tradeoffs made for microscopes used in various applications * Discusses the theory and design of near-field optical microscopes * Explains phase imaging in the scanning optical and interference microscopes
Book Synopsis Development of a Confocal and Near-field Scanning Optical Microscope for Polarization-resolved Temporal Studies of Single Nano-objects by : Michael Johannes Nasse
Download or read book Development of a Confocal and Near-field Scanning Optical Microscope for Polarization-resolved Temporal Studies of Single Nano-objects written by Michael Johannes Nasse and published by . This book was released on 2004 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present the development and application of a hybrid confocal and aperture near-field scanning optical microscope operating in reflection mode. It has been designed to work at cryogenic temperatures and in vacuum or with an exchange gas. Furthermore, it permits to split the fluorescence into two perpendicular polarization channels.We have studied various single nano-objects, such as molecules, CdSe/ZnSe nanocrystals, CdSe/ZnS nanorods and fluorescent nanospheres. As molecular samples we used diI-C18 molecules and molecules derived from anthracene. The ensemble absorption and emission spectra of the latter were measured, as well as their absorption cross-section and quantum yield in solution for the first time. Furthermore, we used time correlated fluorescence decay experiments that suggest the presence of different conformations in solution, already observed with similar molecules.We used our instrument in confocal mode to image, record time traces, and acquire some spectra of single nano-objects. Single nanospheres with a diameter of 27 nm are used to map the optical field distribution in the vicinity of the focal point of a microscope objective. The experimentally obtained images are qualitatively compared with a scalar model. The near-field scanning optical microscopy setup is validated using nanospheres with a diameter of 500 nm.The dynamic temporal behavior is examined with the help of time traces. The study is based on the autocorrelation function for single molecules, and using an on-off statistics for single nanocrystals/-rods. In the latter case a power law distribution of the on- and off-time probabilities is observed.
Book Synopsis Design of an Infrared Near-field Scanning Optical Microscope and Implementation of the Force Feedback System by : Benjamin Michael Muto
Download or read book Design of an Infrared Near-field Scanning Optical Microscope and Implementation of the Force Feedback System written by Benjamin Michael Muto and published by . This book was released on 1997 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development and Application of a Near-field Scanning Optical Microscope in the Studies of Compound Semiconductor Materials by : Jutong Liu
Download or read book Development and Application of a Near-field Scanning Optical Microscope in the Studies of Compound Semiconductor Materials written by Jutong Liu and published by . This book was released on 1996 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Calibration of a Vacuum Compatible Scanning Tunneling Microscope by :
Download or read book Design and Calibration of a Vacuum Compatible Scanning Tunneling Microscope written by and published by . This book was released on 1990 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of an Analytical Photon Scanning Tunneling Microscope by :
Download or read book Development of an Analytical Photon Scanning Tunneling Microscope written by and published by . This book was released on 1994 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this program sponsored by the ARO Physics office we have made significant progress in designing, constructing and using a novel device called the Near-field Scanning Optical Microscope, or NSOM. The microscope is one of a family of instruments which use either small apertures or finely sharpened probes to scan the surface of a sample and thereby construct an image of that surface. Since demonstrating the utility of the microscope of our design, we have subsequently built a number of other NSOMs incorporating a variety of illumination modes and signal transduction methods in imaging surfaces and taking optical spectra of features on these surfaces. Theoretical efforts to model the optical throughput of the probe have been undertaken, and the initial results have been published. The program has supported several students, including a student who, after graduation, designed the first commercial NSOM instrument. Optical microscopy, Near-field optical microscopy, Spectroscopy, Imaging.
Book Synopsis Acquisition of a Combined Scanning Near-Field Optical and Atomic Force Microscope by :
Download or read book Acquisition of a Combined Scanning Near-Field Optical and Atomic Force Microscope written by and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project supported a new universal scanning microscope system combining near-field scanning optical microscopy (NSOM), conventional atomic force (AFM) microscopy, and confocal optical microscopy. To build a universal system capable of high-resolution topographical imaging concurrently with spectroscopic abilities, the authors have acquired several independent units and combined them into a custom-designed NSOM/AFM/Raman instrument. They have acquired an atomic force microscope (Multimode, Digital Instruments), a near-field scanning microscope (Aurora III, Digital Instruments, partially supported by NASA), and a SpectraPro Raman spectrograph from Roper. In addition to these major instruments, they acquired a number of supporting parts/instruments toward their goal of completion of the system and sample preparation, selection, and characterization for Raman studies (e.g., CCD camera, avalanche detectors, two lasers, optical parts, air table, fluorescence microscope, mini x-ray unit, etc). A post-doctoral Research Associate was in charge of putting all these parts together. The authors did not go with a single unit from WiTec because actual demonstrations did not show expected sensitivity. This report presents a description of the instrument and preliminary results obtained with it. The instrument was used to collect Raman spectra from patterned arrays of bent single wall carbon nanotubes and bundles (3 nm in diameter) and from freely suspended nanomembranes with encapsulated gold nanoparticles.
Book Synopsis Near Field Scanning Optical Microscope for Organic Photonic Materials by :
Download or read book Near Field Scanning Optical Microscope for Organic Photonic Materials written by and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this project, we requested funds from the Air Force of Scientific Research (AFOSR) under DOD's Defense University Research Instrumentation Program (DURIP) to acquire a near-field scanning optical microscope (NSOM). Near-field scanning optical microscope (NSOM) is a unique research tool commercialized in the past two years, which provides unprecedented optical resolution defying the diffraction limit, as small as 1/20 laterally and 1/100 vertically. The funds from AFOSR has enabled us to purchase and install a state-of-the-art NSOM from TopoMetric. We have successfully installed and tested the instrument. A number of experiments have been performed using the instrument. The NSOM has proved to be a powerful instrument which allows innovative new approaches to address fundamental issues and enhance the existing and future DOD sponsored research projects in the University of Rochester. The preliminary application of the NSOM has already demonstrated the great potential of NSOM, its value to DOD sponsored research, and its usefulness for training future scientists and engineers for the DOD interests.
Book Synopsis Near-field Scanning Optical Microscopy Studies of Photonic Structures and Materials by : Anthony Louis Campillo
Download or read book Near-field Scanning Optical Microscopy Studies of Photonic Structures and Materials written by Anthony Louis Campillo and published by . This book was released on 2002 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Design and Construction of an Ultra-high Vacuum Field-ion Microscope by : Gregory Bruce Olson
Download or read book The Design and Construction of an Ultra-high Vacuum Field-ion Microscope written by Gregory Bruce Olson and published by . This book was released on 1970 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781792073571 Total Pages :30 pages Book Rating :4.0/5 (735 download)
Book Synopsis Design and Calibration of a Vacuum Compatible Scanning Tunneling Microscope by : National Aeronautics and Space Adm Nasa
Download or read book Design and Calibration of a Vacuum Compatible Scanning Tunneling Microscope written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-12-28 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: A vacuum compatible scanning tunneling microscope was designed and built, capable of imaging solid surfaces with atomic resolution. The single piezoelectric tube design is compact, and makes use of sample mounting stubs standard to a commercially available surface analysis system. Image collection and display is computer controlled, allowing storage of images for further analysis. Calibration results from atomic scale images are presented. Abel, Phillip B. Glenn Research Center NASA-TM-102514, E-5317, NAS 1.15:102514 RTOP 506-43-11...
Book Synopsis Near-field Scanning Optical Microscopy of Soft Organic Materials by : Lynn Fong Lee
Download or read book Near-field Scanning Optical Microscopy of Soft Organic Materials written by Lynn Fong Lee and published by . This book was released on 2005 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
