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Showing 1 to 12 of 75 entries
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Electric and magnetic excitation of coherent magnetic plasmon waves in a one-dimensional meta-chain.

Optics express

Zhu C, Liu H, Wang SM, Li T, Cao JX, Zheng YJ, Li L, Wang Y, Zhu SN, Zhang X.
PMID: 21164975
Opt Express. 2010 Dec 06;18(25):26268-73. doi: 10.1364/OE.18.026268.

A one-dimensional diatomic meta-chain with equal-size holes and different-length slits is designed. Broadband coherent magnetic plasmon waves (MPW) are formed in such a system, excited by both the electric resonance in the slits and the magnetic resonance in the...

Nanophotonics: plasmonics and metal nanoparticles.

Physical chemistry chemical physics : PCCP

[No authors listed]
PMID: 19588004
Phys Chem Chem Phys. 2009 Jul 28;11(28):5866. doi: 10.1039/b911746f. Epub 2009 Jun 23.

No abstract available.

Dressing plasmon resonance with particle-microcavity architecture for efficient nano-optical trapping and sensing.

Optics letters

Zhang H, Zhou Y, Yu X, Luan F, Xu J, Ong HC, Ho HP.
PMID: 24562229
Opt Lett. 2014 Feb 15;39(4):873-6. doi: 10.1364/OL.39.000873.

We propose a particle-microcavity scheme for efficient optical trapping and sensing. When a resonant plasmonic nanoparticle (NP) is placed inside a microcavity with high Q-factor, sensitivity is enhanced in the far-field extinction while near-field around the NP is barely...

Label-free efficient and accurate detection of cystic fibrosis causing mutations using an azimuthally rotated GC-SPR platform.

Analytical chemistry

Meneghello A, Antognoli A, Sonato A, Zacco G, Ruffato G, Cretaio E, Romanato F.
PMID: 25359284
Anal Chem. 2014 Dec 02;86(23):11773-81. doi: 10.1021/ac503272y. Epub 2014 Nov 14.

Plasmonic nanosensors are candidates for the development of new sensors with low detection limits, high sensitivity, and specificity for target detection: these characteristics are of critical importance in the screening of mutations responsible for inherited diseases. In this work,...

Gems in nanoscience.

Nanotechnology

Demming A.
PMID: 21411919
Nanotechnology. 2011 Apr 29;22(17):170201. doi: 10.1088/0957-4484/22/17/170201. Epub 2011 Mar 16.

No abstract available.

Long-wave approximation for hybridization modeling of local surface plasmonic resonance in nanoshells.

Optics letters

Li BQ, Liu C.
PMID: 21263515
Opt Lett. 2011 Jan 15;36(2):247-9. doi: 10.1364/OL.36.000247.

A hybridization model for the localized surface plasmon resonance of a nanoshell is developed within the framework of long-wave approximation. Compared with the existing hybridization model derived from the hydrodynamic simulation of free electron gas, this approach is much...

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons.

Journal of visualized experiments : JoVE

Cao Z, Lin M, Ong D.
PMID: 30080199
J Vis Exp. 2018 Jul 21;(137). doi: 10.3791/56735.

We have developed a unique method to measure the excitation and coupling rates between the light emitters and surface plasmon polaritons (SPPs) arising from metallic periodic arrays without involving time-resolved techniques. We have formulated the rates by quantities that...

One way optical waveguides for matched non-reciprocal nanoantennas with dynamic beam scanning functionality.

Optics express

Hadad Y, Steinberg BZ.
PMID: 23389278
Opt Express. 2013 Jan 14;21:A77-83. doi: 10.1364/OE.21.000A77.

Matching circuits for waveguide-nanoantenna connections are difficult to implement. However, if the waveguide permits only one-way propagation, the matching issue disappears since back-reflections cannot take place; the feed signal is converted to radiation at high efficiency. Hence, a terminated...

Field-matter integral overlap to estimate the sensitivity of surface plasmon resonance biosensors.

Journal of the Optical Society of America. A, Optics, image science, and vision

Lee W, Kim D.
PMID: 22751402
J Opt Soc Am A Opt Image Sci Vis. 2012 Jul 01;29(7):1367-76. doi: 10.1364/JOSAA.29.001367.

We have analyzed the effectiveness of field-matter integral overlap between target index distribution and local near-fields to assess detection sensitivity of surface plasmon resonance (SPR) biosensors. The correlation of the overlap with sensitivity was clear. An overlap integral defined...

Surface plasmon resonance based biosensor technique: a review.

Journal of biophotonics

Guo X.
PMID: 22467335
J Biophotonics. 2012 Jul;5(7):483-501. doi: 10.1002/jbio.201200015. Epub 2012 Mar 30.

Optical Surface plasmon resonance (SPR) biosensors represent the most advanced and developed optical label-free biosensor technology. Optical SPR biosensors are a powerful detection and analysis tool that has vast applications in environmental protection, biotechnology, medical diagnostics, drug screening, food...

Plasmonic coherent drive of an optical trap.

Physical review letters

Cuche A, Mahboub O, Devaux E, Genet C, Ebbesen TW.
PMID: 22324703
Phys Rev Lett. 2012 Jan 13;108(2):026801. doi: 10.1103/PhysRevLett.108.026801. Epub 2012 Jan 11.

We demonstrate that optical trapping can be driven by delocalized surface plasmon modes resonantly excited within a standing wave trap. Dynamical modifications are shown to be determined by the near-field symmetry of the plasmonic modes with negligible thermal effect....

Surface plasmon resonance optical cavity enhanced refractive index sensing.

Optics letters

Giorgini A, Avino S, Malara P, Gagliardi G, Casalino M, Coppola G, Iodice M, Adam P, Chadt K, Homola J, De Natale P.
PMID: 23722800
Opt Lett. 2013 Jun 01;38(11):1951-3. doi: 10.1364/OL.38.001951.

We report on a method for surface plasmon resonance (SPR) refractive index sensing based on direct time-domain measurements. An optical resonator is built around an SPR sensor, and its photon lifetime is measured as a function of loss induced...

Showing 1 to 12 of 75 entries