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检索条件"主题词=WAVE-GUIDES"
559 条 记 录,以下是221-230 订阅
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Focusing of an intense Gaussian laser beam in a radially inhomogeneous medium
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JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS 2005年 第6期22卷 1268-1275页
作者: Prakash, G Sharma, A Verma, MP Sodha, MS Univ Lucknow Dept Sci & Technol Project Inst Adv Studies Educ Lucknow 226007 Uttar Pradesh India
The steady-state focusing-defocusing of a laser beam in a medium characterized by built-in radial inhomogeneity and nonlinearity of a saturating nature has been investigated in the paraxial approximation. By use of th... 详细信息
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Development of a polarization-preserving optical-fiber probe for near-field scanning optical microscopy and the influences of bending and squeezing on the polarization properties
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REVIEW OF SCIENTIFIC INSTRUMENTS 2005年 第4期76卷 043703-1-043703页
作者: Mitsui, T Natl Inst Mat Sci Nanomat Lab Tsukuba Ibaraki 3050044 Japan
We have characterized the optical properties of a polarization-preserving near-field scanning optical microscopy (NSOM) optical fiber probe, and evaluated the influence of probe fabrication processes, such as melting-... 详细信息
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One-dimensional assemblies of nanoparticles: Preparation, properties, and promise
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ADVANCED MATERIALS 2005年 第8期17卷 951-962页
作者: Tang, ZY Kotov, NA Univ Michigan Dept Chem Engn Ann Arbor MI 48109 USA Univ Michigan Dept Mat Sci Ann Arbor MI 48109 USA Univ Michigan Dept Biomed Engn Ann Arbor MI 48109 USA
Nanoparticle (NP) assemblies are of considerable interest for both fundamental research and applications, since they provide direct bridges between nanometer-scale objects and the macroscale world. Unlike two-dimensio... 详细信息
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Propagation effects on the ultrafast cross-gain modulation in semiconductor optical amplifiers
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OPTICS COMMUNICATIONS 2005年 第1-3期248卷 267-280页
作者: Hessler, TP Selbmann, PE Pleumeekers, JL Dupertuis, MA Deveaud, B Schreieck, R Emery, JY Dagens, B Ecole Polytech Fed Lausanne Inst Photon & Elect Quant CH-1015 Lausanne Switzerland Swiss Fed Inst Technol ETHZ Dept Elect Engn IfE CH-8092 Zurich Switzerland Alcatel Corp Res Ctr Groupement Interet Econ OPTO F-91461 Marcoussis France
We have performed cross-gain modulation experiments on semiconductor optical amplifiers with 100 fs pump pulses. Setting the pump on the high energy side of the gain results in a complex transient for the CW probe tha... 详细信息
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Template-assisted growth of nominally cubic (100)-oriented three-dimensional crack-free photonic crystals
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NANO LETTERS 2005年 第12期5卷 2646-2650页
作者: Jin, CJ McLachlan, MA McComb, DW De La Rue, RM Johnson, NP Univ Glasgow Dept Elect & Elect Engn Glasgow G12 8LT Lanark Scotland Univ London Imperial Coll Sci Technol & Med Dept Mat London SW7 2AZ England
Three-dimensional (3D) photonic crystals (PhCs) are now beginning to acquire functionality via the use of dopants and heterostructures. However, the self-organized fabrication of large-area single crystals that are fr... 详细信息
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Trimming of microring resonators by photo-oxidation of a plasma-polymerized organosilane cladding material
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OPTICS LETTERS 2005年 第17期30卷 2251-2253页
作者: Sparacin, DK Hong, CY Kimerling, LC Michel, J Lock, JP Gleason, KK MIT Dept Mat Sci & Engn Cambridge MA 02139 USA MIT Dept Chem Engn Cambridge MA 02139 USA MIT Inst Soldier Nanotechnol Cambridge MA 02139 USA
As the complexity of microphotonic devices grows, the ability to precisely trim microring resonators becomes increasingly important. Photo-oxidation trimming uses UV irradiation to oxidize a cladding layer composed of... 详细信息
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Absolute luminescence efficiency and photonic band-gap effect of conjugated polymers with top-deposited distributed Bragg reflectors
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CHEMICAL PHYSICS LETTERS 2005年 第4-6期411卷 316-320页
作者: Persano, L Mele, E Camposeo, A Del Carro, P Cingolani, R Pisignano, D Univ Lecce INFM Natl Nanotechnol Lab Dipartimento Ingn Innovazione I-73100 Lecce Italy
We study the effects of the deposition of a photonic crystal (PhC) structure, namely a distributed Bragg reflector, on a light-emitting conjugated polymer. The hybrid organic/PhC system is realised by a novel low-temp... 详细信息
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3-D molecular assembly of function in titania-based composite material systems
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ACCOUNTS OF CHEMICAL RESEARCH 2005年 第4期38卷 263-271页
作者: Bartl, MH Boettcher, SW Frindell, KL Stucky, GD Univ Calif Santa Barbara Dept Chem & Biochem Santa Barbara CA 93106 USA Univ Calif Santa Barbara Calif Nanosyst Inst Santa Barbara CA 93106 USA
Various examples of composite titania-based nanostructured materials exhibiting cooperative functionalities between different active components are presented. The fabrication of these integrated composite materials is... 详细信息
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Emission and detection of terahertz pulses from a metal-tip antenna
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JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS 2005年 第11期22卷 2357-2365页
作者: Walther, M Chambers, GS Liu, ZG Freeman, MR Hegmann, FA Univ Alberta Dept Phys Edmonton AB T6G 2J1 Canada
We investigate the antenna characteristics of a metal tip coupled to terahertz (THz) pulses generated from a photoconductive switch. Enhanced terahertz pulse emission is observed with the metal tip in contact with one... 详细信息
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Semiconductor sources of twin photons for quantum information
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JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS 2005年 第7期7卷 S158-S165页
作者: Ducci, S Lanco, L Seurin, Y Leo, G Berger, V De Rossi, A Marcadet, X Univ Paris 07 UMR 7162 Lab Mat & Phenomenes Quant F-75251 Paris France Thales Res & Technol F-91404 Orsay France
A large number of scientific proposals made in the last few years are based on transport and manipulation of information using single quantum objects. Some of them make use of entanglement in pairs of particles such a... 详细信息
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