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When optical components are reduced to the nanoscale, they exhibit interesting properties that can be harnessed to create new devices. For example, imagine a block of material with thin layers of alternating materials. This creates a periodic arrangement of alternating dielectric constants, forming a "photonic crystal" that is analogous to the electronic crystals used in semiconductor devices. Photonic crystals, along with quantum dots and other devices patterned at the nanoscale, may form the basis for sensors and switches used in computers and telecommunications. More information on Nanophotonics can be found here.
Metamaterials: A New Paradigm of Physics and Engineering
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01 May 2008 | Courses | Contributor(s): Vladimir M. Shalaev
Three part lecture on metamaterials. Metamaterials are expected to open a gateway to unprecedented electromagnetic properties and functionality unattainable from naturally occurring materials,...
Lecture 20: Diffusion - Part2
24 Apr 2008 | Online Presentations | Contributor(s): Paul R Selvin
Diffusion and bacteria moving, power consumed by bacteria, Introduction to Reynolds number, Where Bacteria Live, How E. Coli move and swim,
Lecture 17: Diffusion - Part 1
16 Apr 2008 | Online Presentations | Contributor(s): Paul R Selvin
Diffusion, Directed motors, Thermal motion, nerve synapse, Efficiency of Diffusion
Lecture 15: Confocal and STED Microscopy
15 Apr 2008 | Online Presentations | Contributor(s): Paul R Selvin
Confocal Detection, Energy Transfer, Confocal Microscopy, STED (Stimulated Emission Depletion),Improved resolution
Transmission of images with subwavelength resolution to distances of several wavelengths in microwave, terahertz and infrared ranges
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08 Apr 2008 | Online Presentations | Contributor(s): Pavel Belov
The resolution of conventional imaging systems is restricted by the
diffraction limit: the details smaller than half-wavelength of radiation
cannot be resolved. Using novel engineered media with...
CAD of MEMS & NEMS: State of the Art & Future Challenges
5.0 out of 5 stars
04 Mar 2008 | Online Presentations | Contributor(s): Andreas Cangellaris
Computer aided design environments are very mature and used extensively for the design of every integrated electronical component that is commercially available to all of us. This presentation...
29 Feb 2008 | Tools | Contributor(s): Baudilio Tejerina, Jeff Reimers
Semi-empirical Molecular Orbital calculations.
Plasmonic Metamaterials: Unusual Optics and Applications
28 Feb 2008 | Online Presentations | Contributor(s): Igor Smolyaninov
Surface plasmon-polaritons (or plasmons) are collective excitations of the conduction electrons
and the electromagnetic field on the surface of such good metals as gold and silver. Near the...
MCW07 A Quantum Open Systems Approach to Molecular-Scale Devices
25 Feb 2008 | Online Presentations | Contributor(s): Yongqiang Xue
Experimental advances in electrically and optically probing individual molecules have provided new insights into the behavior of single quantum objects and their interaction with the...
Three-Dimensional Photonic Crystals
11 Feb 2008 | Online Presentations | Contributor(s): Minghao Qi
A photonic crystal (PhCs) is typically a composite of a high-dielectric-constant material (e.g. Si) and a low-constant one (e.g. SiO2 or air), arranged periodically in space. Two dimensional...
Nanosphere Optics Lab Field Simulator
22 Jan 2008 | Tools | Contributor(s): Baudilio Tejerina, Tyler Takeshita, Logan Ausman, George C. Schatz
Study of the Electric field induced by Light-Nanoparticle interaction.
KIST/PU Ligand-functionalized gold nanorods as theragnostic agents
06 Dec 2007 | Online Presentations | Contributor(s): Alexander Wei
Plasmon-resonant gold nanorods have been examined as multifunctional agents for imaging and photoactivated therapies. Nanorods can be imaged with single-particle sensitivity by two-photon...
Silicon Photonics: Opportunity Challenges and Recent Results
02 Nov 2007 | Online Presentations | Contributor(s): Mario Paniccia
The silicon chip has been the mainstay of the electronics industry for the last 40 years and has
revolutionized the way the world operates. Today a silicon chip the size of a fingernail contains...
Conquering Surface Plasmon Resonance Loss in Metallic Nanostructures
16 Oct 2007 | Online Presentations | Contributor(s): Mikhail A. Noginov
We have observed the compensation of loss in metal by gain in
dielectric in the mixture of Ag aggregate and rhodamine 6G dye. The
demonstrated six-fold enhancement of the Rayleigh scattering is...
Simple Photonic Crystals
18 Sep 2007 | Tools | Contributor(s): Jing Ouyang, Xufeng Wang, Minghao Qi
Photonic Crystal characteristics in an easy way
MCW07 Simple Models for Molecular Transport Junctions
13 Sep 2007 | Online Presentations | Contributor(s): Misha Galperin, Abraham Nitzan, Mark A. Ratner
We review our recent research on role of interactions in molecular transport junctions. We consider simple models within nonequilibrium Green function approach (NEGF) in steady-state regime.
Micro-scaled Biochips with Optically Active Surfaces for Near and Far-field Analysis of Cellular Fluorescence
31 Aug 2007 | Online Presentations | Contributor(s): Huw Summers
The integration of thin (< 100 nm) metal films with micro-scale
optical waveguides provides a route to controlled spatial
excitation of cellular fluorescence within a biochip...
Biosensing applications of Plasmon Resonance in gold nanoparticles
06 Aug 2007 | Online Presentations | Contributor(s): Karina Moore
Light can be used to excite plasmon resonance in gold nanoparticles. Plasmon resonance occurs on the nanoscale as the particles become excited and plasmon oscillations arise in each particle of a...
Pulsed Laser Deposition of Thin Films
02 Aug 2007 | Online Presentations | Contributor(s): Josh Kaufman
Thin metal films have many applications from optical limiters to nanocircuits. Methods for fabricating these films differ in theory and complexity. Pulsed Laser Deposition (PLD) is a popular...
26 Jun 2007 | Online Presentations | Contributor(s): David D. Nolte
While single-molecule detection through fluorescence has now become common-place, there has been no analogous single-molecule capability using direct detection approaches such as interferometry. ...