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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.
Micro-scaled Biochips with Optically Active Surfaces for Near and Far-field Analysis of Cellular Fluorescence
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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...
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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. ...
Some Remarks to Electrodynamics of Materials with Negative Refraction
26 Jun 2007 | Online Presentations | Contributor(s): Victor G. Veselago
The negative refraction coefficient n < 0 can be introduced for isotropic materials with anti-parallel directions of phase and group velocities. If some of material can be described by negative n...
Victor Veselago Interview on Nanotechnology and Photonics
26 Jun 2007 | Online Presentations | Contributor(s): Victor G. Veselago, Phillip Fiorini
Nanotechnology and photonics interview with Phillip Fiorini.
Solid-State Lighting: An Opportunity for Nanotechnologists to Address the Energy Challenge
25 Apr 2007 | Online Presentations | Contributor(s): Timothy D. Sands
More than one-fifth of the electrical power consumed in the U.S. is used for general illumination. Much of this energy is wasted to heat filaments in incandescent lamps, a century-old technology...
Nanoscale Antenna Apertures
24 Apr 2007 | Online Presentations | Contributor(s): Xianfan Xu
This presentation will discuss light concentration and enhancement in nanometer-scale ridge aperture antennas. Resent research, including numerical simulations and near field optical measurements...
BNC Annual Research Symposium: Nanophotonics
23 Apr 2007 | Online Presentations | Contributor(s): Vladimir M. Shalaev
This presentation is part of a collection of presentations describing the projects, people, and capabilities enhanced by research performed in the Birck Center, and a look at plans for the...
Surprises on the nanoscale: Plasmonic waves that travel backward and spin birefringence without magnetic fields
29 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
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