Quantitative spectroscopy on individual wire, slot, bow-tie, rectangular, and square-shaped optical antennas.

03:43 EDT 31st October 2014 | BioPortfolio

Summary of "Quantitative spectroscopy on individual wire, slot, bow-tie, rectangular, and square-shaped optical antennas."

By using a recently introduced approach combining a focus-modulation technique with a common-path interferometer, we measure quantitatively the extinction, scattering, and absorption cross-section spectra of individual optical antennas. The experimental results on thin-wire antennas, slot antennas, bow-tie antennas, rectangular antennas, and square-shaped antennas resonating at around 1.4 μm wavelength are discussed. We find increased resonant scattering cross sections for the latter four antennas compared to the thin-wire antenna, both in absolute terms and relative to the absorption cross section. The square-shaped antenna's resonant extinction cross section approaches the limit of a coherent point dipole. However, the ratio of the resonant extinction cross section to the geometrical cross section of 38 is largest for the simple thin-wire antenna.

Affiliation

Journal Details

This article was published in the following journal.

Name: Optics letters
ISSN: 1539-4794
Pages: 4597-600

Links

PubMed Articles [13235 Associated PubMed Articles listed on BioPortfolio]

Printed wide-slot antenna design with bandwidth and gain enhancement on low-cost substrate.

This paper presents a printed wide-slot antenna design and prototyping on available low-cost polymer resin composite material fed by a microstrip line with a rotated square slot for bandwidth enhancem...

Triangular-shaped pulse generation based on self-convolution of a rectangular-shaped pulse.

A photonic approach to generate a triangular-shaped pulse utilizing the self-convolution process of a rectangular-shaped pulse is proposed and demonstrated. The configuration is characterized by two s...

A Twisted Wire-Shaped Dual-Function Energy Device for Photoelectric Conversion and Electrochemical Storage.

A wire-shaped energy device that can perform photoelectric conversion and electrochemical storage was developed through a simple but effective twisting process. The energy wire exhibited a high energy...

Mixed confinement regimes during equilibrium confinement spectroscopy of DNA.

We have used a combination of fluorescence microscopy experiments and Pruned Enriched Rosenbluth Method simulations of a discrete wormlike chain model to measure the mean extension and the variance in...

Design and implementation of low profile antenna for dual-band applications using rotated e-shaped conductor-backed plane.

A novel configuration of a printed monopole antenna with a very compact size for satisfying WLAN operations at the 5.2/5.8 GHz and also for X-band operations at the 10 GHz has been proposed. The a...

Clinical Trials [1172 Associated Clinical Trials listed on BioPortfolio]

Effect of Reward on Learning in Motor Cortex

Background: - Magnetic resonance imaging (MRI) uses a strong magnetic field and radio waves to take pictures of the brain. Some MRI studies suggest that this technique reveals bra...

Spectroscopy With Surface Coils and Decoupling

The purpose of this study is to obtain chemical information from part of your body without a biopsy. This is done using a technique called magnetic resonance spectroscopy (MRS) which is si...

Prostate Cancer Diagnosis Through NMR Spectroscopy of Semen and Prostatic Secretions

To develop the hypothesis that quantitative NMR spectroscopy of human semen can be used to diagnose prostate cancer.

Kirschner Wire and Pull-out Wire Fixation for the Treatment of Bony Mallet Finger

The objective of this report is to describe a new surgical technique for the treatment of bony mallet finger which involves the application of both Kirschner wire and pull-out wire fixatio...

Short Versus Long Wire ERCP Systems

This study looked at short-wire ERCP devices versus Long-wire ERCP devices. The study hypothesis is to compare the performance of the Fusion ERCP short-wire system to the traditional Long-...

Medical and Biotech [MESH] Definitions

A distribution in which a variable is distributed like the sum of the squares of any given independent random variable, each of which has a normal distribution with mean of zero and variance of one. The chi-square test is a statistical test based on comparison of a test statistic to a chi-square distribution. The oldest of these tests are used to detect whether two or more population distributions differ from one another.

A genus of rod-shaped, almost rectangular ARCHAEA, in the family THERMOPROTEACEAE. Organisms are facultatively aerobic or strictly anaerobic, grow on various organic substrates, and are found in continental solfataras.

Locations, on the GENOME, of GENES or other genetic elements that encode or control the expression of a quantitative trait (QUANTITATIVE TRAIT, HERITABLE).

The theory that human CHARACTER and BEHAVIOR are shaped by the GENES that comprise the individual's GENOTYPE rather than by CULTURE; ENVIRONMENT; and individual choice.

A characteristic showing quantitative inheritance such as SKIN PIGMENTATION in humans. (From A Dictionary of Genetics, 4th ed)

Search BioPortfolio:
Loading
Advertisement
Advertisement

Searches Linking to this Article