scispace - formally typeset
Search or ask a question
Author

Satoshi Kawata

Bio: Satoshi Kawata is an academic researcher from Osaka University. The author has contributed to research in topics: Raman spectroscopy & Raman scattering. The author has an hindex of 87, co-authored 632 publications receiving 31450 citations. Previous affiliations of Satoshi Kawata include National Institute of Advanced Industrial Science and Technology & Kyoto Prefectural University of Medicine.


Papers
More filters
Journal ArticleDOI
16 Aug 2001-Nature
TL;DR: Micromachines can be created with higher resolution using two-photon absorption, and the results can be higher resolution than previously reported using single photon absorption techniques.
Abstract: Micromachines can be created with higher resolution using two-photon absorption.

2,583 citations

Journal ArticleDOI
TL;DR: The usefulness of the proposed method for three-dimensional microfabrication with photopolymerization stimulated by two-photon absorption with a pulsed infrared laser has been verified by fabrication of several kinds of microstructure by use of a resin consisting of photoinitiators, urethane acrylate monomers, and urethanacrylate oligomers.
Abstract: We propose a method for three-dimensional microfabrication with photopolymerization stimulated by two-photon absorption with a pulsed infrared laser An experimental system for the microfabrication has been developed with a Ti:sapphire laser whose oscillating wavelength and pulse width are 790 nm and 200 fs, respectively The usefulness of the proposed method has been verified by fabrication of several kinds of microstructure by use of a resin consisting of photoinitiators, urethane acrylate monomers, and urethane acrylate oligomers

1,660 citations

Journal ArticleDOI
TL;DR: In this article, surface plasmons propagating along the metal surface can help to achieve superlensing, in which perfect imaging is possible through a flat thin metal film, but can also provide nano-imaging of practical samples by using a localized surface plasmon mode at the tip of a metallic nanoprobe.
Abstract: Diffraction of light prevents optical microscopes from having spatial resolution beyond a value comparable to the wavelength of the probing light. This essentially means that visible light cannot image nanomaterials. Here we review the mechanism for going beyond this diffraction limit and discuss how manipulation of light by means of surface plasmons propagating along the metal surface can help to achieve this. The interesting behaviour of light under the influence of plasmons not only allows superlensing, in which perfect imaging is possible through a flat thin metal film, but can also provide nano-imaging of practical samples by using a localized surface plasmon mode at the tip of a metallic nanoprobe. We also discuss the current research status and some intriguing future possibilities.

759 citations

Journal ArticleDOI
TL;DR: In this paper, the amplification of near-field Raman scattering by using an apertureless near field scanning optical microscope the tip of which is a 40 nm silver-layer-coated cantilever of an atomic force microscope was observed.

608 citations


Cited by
More filters
Book
15 May 2007
TL;DR: In this paper, the authors discuss the role of surface plasmon polaritons at metal/insulator interfaces and their application in the propagation of surfaceplasmon waveguides.
Abstract: Fundamentals of Plasmonics.- Electromagnetics of Metals.- Surface Plasmon Polaritons at Metal / Insulator Interfaces.- Excitation of Surface Plasmon Polaritons at Planar Interfaces.- Imaging Surface Plasmon Polariton Propagation.- Localized Surface Plasmons.- Electromagnetic Surface Modes at Low Frequencies.- Applications.- Plasmon Waveguides.- Transmission of Radiation Through Apertures and Films.- Enhancement of Emissive Processes and Nonlinearities.- Spectroscopy and Sensing.- Metamaterials and Imaging with Surface Plasmon Polaritons.- Concluding Remarks.

7,238 citations

Journal ArticleDOI
TL;DR: The state-of-the-art on hybrid porous solids, their advantages, their new routes of synthesis, the structural concepts useful for their 'design', aiming at reaching very large pores are presented.
Abstract: This critical review will be of interest to the experts in porous solids (including catalysis), but also solid state chemists and physicists. It presents the state-of-the-art on hybrid porous solids, their advantages, their new routes of synthesis, the structural concepts useful for their ‘design’, aiming at reaching very large pores. Their dynamic properties and the possibility of predicting their structure are described. The large tunability of the pore size leads to unprecedented properties and applications. They concern adsorption of species, storage and delivery and the physical properties of the dense phases. (323 references)

5,187 citations

Journal ArticleDOI
TL;DR: Main application areas are outlined and examples of applications of SPR sensor technology are presented and future prospects of SPR technology are discussed.
Abstract: Since the first application of the surface plasmon resonance (SPR) phenomenon for sensing almost two decades ago, this method has made great strides both in terms of instrumentation development and applications. SPR sensor technology has been commercialized and SPR biosensors have become a central tool for characterizing and quantifying biomolecular interactions. This paper attempts to review the major developments in SPR technology. Main application areas are outlined and examples of applications of SPR sensor technology are presented. Future prospects of SPR sensor technology are discussed.

5,127 citations

Journal ArticleDOI
14 Aug 2003-Nature
TL;DR: This research presents the next generation of single-beam optical traps, which promise to take optical tweezers out of the laboratory and into the mainstream of manufacturing and diagnostics and even become consumer products.
Abstract: Optical tweezers use the forces exerted by a strongly focused beam of light to trap and move objects ranging in size from tens of nanometres to tens of micrometres. Since their introduction in 1986, the optical tweezer has become an important tool for research in the fields of biology, physical chemistry and soft condensed matter physics. Recent advances promise to take optical tweezers out of the laboratory and into the mainstream of manufacturing and diagnostics; they may even become consumer products. The next generation of single-beam optical traps offers revolutionary new opportunities for fundamental and applied research.

4,647 citations