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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.
Surprises on the nanoscale: Plasmonic waves that travel backward and spin birefringence without magnetic fields
5.0 out of 5 stars
08 Jan 2007 | Online Presentations | Contributor(s): Daniel Neuhauser
As nanonphotonics and nanoelectronics are pushed down towards the
molecular scale, interesting effects emerge. We discuss how
birefringence (different propagation of two polarizations) is...
Plasmon-resonant Nanorods as Multifunctional Imaging Agents
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28 Dec 2006 | Online Presentations | Contributor(s): Alexander Wei
Gold nanorods have several outstanding characteristics as optical contrast
agents for biomedical imaging. Their strong optical absorption at
near-infrared (NIR) frequencies can be used to...
Nanotechnology and Visible Light
19 Dec 2006 | Teaching Materials | Contributor(s): Raymond Serrano
This submission is an undergraduate project by Raymond Serrano, a chemistry student at UTEP. Raymond has been a nanoHUB student for one year.
In addition to being factor of scale, nanoscience...
Nanoscale Plasmonic Heterostructures
15 Dec 2006 | Online Presentations | Contributor(s): Gary P. Wiederrecht
Surface plasmons are electromagnetic modes that are present at the interface of a metal and dielectric material.
Depending upon the structure of the metal, surface plasmons demonstrate a wide...
ECE 695s Lecture 15: Metamaterials: Giving Light the Second Hand, Part 2
20 Nov 2006 | Online Presentations | Contributor(s): Vladimir M. Shalaev
A subsequent version of this lecture is available in a three lecture short course Metamaterials: A New Paradigm of Physics and Engineering.
Nano Scale Optics with Nearfield Scanning Optical Microscopy (NSOM)
16 Nov 2006 | Online Presentations | Contributor(s): Reuben Bakker, Vladimir M. Shalaev
NearfieldScanning Optical Microscopy (NSOM )is a relatively new
technology that defeats the diffraction limit for optical
measurements by utilizing the near field portion of electromagnetism...
ECE 695s Lecture 14: Metamaterials: Giving Light the Second Hand, Part 1
15 Nov 2006 | Online Presentations | Contributor(s): Vladimir M. Shalaev
ECE 695s Lecture 11: Guiding Light Along Nanoparticle Arrays
02 Nov 2006 | Online Presentations | Contributor(s): Vladimir M. Shalaev
ECE 695s Lecture 10: Surface Plasmon Excitation
ECE 695s Lecture 9: Introduction to Metal Optics
02 Oct 2006 | Online Presentations | Contributor(s): Vladimir M. Shalaev
ECE 695s Lecture 8: Photonic Crystals Fibers
ECE 695s Lecture 7: Photonic Crystal Waveguides
ECE 695s Lecture 6: Basic Properties of Electromagnetic Effects in Periodic Media
19 Sep 2006 | Online Presentations | Contributor(s): Vladimir M. Shalaev
ECE 695s Lecture 5: Photonic Crystals - Introduction
18 Sep 2006 | Online Presentations | Contributor(s): Vladimir M. Shalaev
ECE 695s Lecture 4: Electromagnetic Properties of Molecules, Nano- and Microscopic Particles
05 Sep 2006 | Online Presentations | Contributor(s): Vladimir M. Shalaev
ECE 695s Lecture 3: Optical Properties of Insulators, Semiconductors and Metals
ECE 695s Introductory Lecture
30 Aug 2006 | Online Presentations | Contributor(s): Vladimir M. Shalaev
ECE 695s Lecture 1: Light Interaction with Matter-Review of Maxwell's Equations
ECE 695s Lecture 2: Dispersion in Materials