|
Dieter Pohl (born 1938) is a German–Swiss physicist. He became known especially for his work in nano-optics, near field optics (NFO), and plasmonics. Pohl studied at the University of Stuttgart and the Technische Universität München (TUM) where he did his doctorate with Wolfgang Kaiser. In 1968, he moved to IBM Zurich Research Laboratory in Rüschlikon. His research comprises lasers, nonlinear optics, optical data storage, scanning probe microscopy (SPM) and nano-optics/plasmonics. In 1982 he developed near-field scanning optical microscopy (NSOM/SNOM).〔Dieter W. Pohl ''Optical near field scanning microscope'', US-Patent Nr. 4604520, 1982, EP patent 0112401, (Abstract )〕 It provided for the first time optical resolution beyond Abbe's diffraction limit, e.g. 20 nm at wavelength 515 nm.〔D. W. Pohl, W. Denk and W. Lanz ''Optical stethoscopy: Image recording with resolution λ/20'', Applied Physics Letters 44, 651 (1984); doi: 10.1063/1.94865〕〔U. Dürig, D. W. Pohl, and F. Rohner ''Nearfield optical scanning microscopy'', Journal of Applied Physics 59, 3318 (1986); doi: 10.1063/1.336848〕 In the following years the close relation between optical near-fields, plasmons, and antennas was investigated, fueling the emerging field of plasmonics.〔U. Ch. Fischer and D. W. Pohl ''Observation of Single –Particle Plasmons by Near-Field Optical Microscopy'', Physical Review Letters 62, 458 (1989)〕〔W. Denk and D. W. Pohl '' Near-field optics: Microscopy with nanometer-size fields'', J. Vac. Sci. Technol. B 9, 51 (1991)〕〔D. W. Pohl ''Scanning Near-Field Optical Microscopy'', in Optical and Electron Microscopy Vol. 12, 243 – 312, Academic Press New York 1991〕〔B. Hecht, H. Bielefeldt, L. Novotny, Y. Inouye and D.W. Pohl ''Local Excitation, Scattering, and Interference of Surface Plasmons'', Physical Review Letters 77, 1889 (1996)〕〔A. Bouhelier, Th. Huser, H. Tamaru, H.-J. Güntherodt, D.W. Pohl, F.I. Baida and D. Van Labeke ''Plasmon Optics of structured Silver Films'', Phys.Rev B 63,155404-1(2001)〕 Dieter Pohl transferred to the University of Basel in 1998 and was appointed titular professor in 2002.〔(Meldung der Universität Basel über neue Titularprofessoren )〕 There he pursued his concept of the near-field probe as an antenna for optical frequencies.〔D. W. Pohl ''Near field optics seen as an antenna problem'' in Near-Field Optics: Principles and Applications / The Second Asia-Pacific Workshop on Near Field Optics, Beijing, China October 20–23, 1999, EDITOR M. Ohtsu and X. Zhu,(World Scientific, ISBN 981-02-4365-0, Singapore,p.9 – 21), 2000〕 Subsequently, he and his Basel collaborators experimentally verified antennas small enough to be resonant at optical frequency. The demonstration of their properties〔P. Mühlschlegel, H.-J. Eisler, O. J. F. Martin, B. Hecht,D. W. Pohl ''Resonant Optical Antennas'', SCIENCE 308, 1607 (2005)〕〔J. N. Farahani, D.W. Pohl, H.-J. Eisler, and B. Hecht ''Single Quantum Dot Coupled to a Scanning Optical Antenna: A Tunable Superemitter'' PHYS.REV.LETTERS 95, 017402 (2005)〕 and extensions〔J. N. Farahani, H.-J. Eisler, M. Pavius, Ph. Flueckiger, Ph. Gasser and B. Hecht ''Bow-tie optical antenna probes for single-emitter scanning near-field microscopy'' Nanotechnology 18, 125506(2007)〕〔D. W. Pohl,S. G. Rodrigo, and L. Novotny''Stacked Optical Antennas'' Appl. PHYS. LETT. 95, 023111(2011)〕 had influence on the further development of plasmonics. In 1992, Pohl organized together with D. Courjon a first workshop on near-field optics (NFO). It became the origin of bi-annual international NFO conferences, nowadays a platform for nano-optics, near-field microscopy, plasmonics, metamaterials, quantum information, biosensing and ultrafast dynamics.〔http://www.nfo13.org/〕 He contributed articles to various books in this field. A complete list of his papers and inventions will be found on his home page.〔in preparation〕 ==References== * 〔W. Denk and D. W. Pohl '' Near-field optics: Microscopy with nanometer-size fields'', J. Vac. Sci. Technol. B 9, 51 (1991)〕 .〔D. W. Pohl ''Scanning Near-Field Optical Microscopy'', in Optical and Electron Microscopy Vol. 12, 243 – 312, Academic Press New York 1991〕〔B. Hecht, H. Bielefeldt, L. Novotny, Y. Inouye and D.W. Pohl ''Local Excitation, Scattering, and Interference of Surface Plasmons'', Physical Review Letters 77, 1889 (1996)〕〔A. Bouhelier, Th. Huser, H. Tamaru, H.-J. Güntherodt, D.W. Pohl, F.I. Baida and D. Van Labeke ''Plasmon Optics of structured Silver Films'', Phys.Rev B 63,155404-1(2001)〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dieter Pohl」の詳細全文を読む スポンサード リンク
|