Photofluidic near-field mapping of superspherical gold nanoparticle (Conference Presentation)

2016 ◽  
Author(s):  
Minwoo Kim ◽  
Joohyun Lee ◽  
Hwi Je Woo ◽  
Gi-Ra Yi ◽  
Seungwoo Lee ◽  
...  
Keyword(s):  
Gold Nanoparticle ◽  
Near Field ◽  
Field Mapping

scholarly journals Near field mapping of coupled photonic crystal microcavities

2010 ◽  
Vol 210 ◽  
pp. 012059
Author(s):  
S Vignolini ◽  
F Intonti ◽  
M Zani ◽  
F Riboli ◽  
D S Wiersma ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Near Field ◽  
Field Mapping ◽  
Photonic Crystal Microcavities

scholarly journals Amplitude- and Phase-Resolved Near-Field Mapping of Infrared Antenna Modes by Transmission-Mode Scattering-Type Near-Field Microscopy

2010 ◽  
Vol 114 (16) ◽  
pp. 7341-7345 ◽  
Author(s):  
Martin Schnell ◽  
Aitzol Garcia-Etxarri ◽  
Andreas J. Huber ◽  
Kenneth B. Crozier ◽  
Andrei Borisov ◽  
...  
Keyword(s):  
Near Field ◽  
Transmission Mode ◽  
Field Mapping

Near-field mapping of the electromagnetic field in confined photon geometries

2002 ◽  
Vol 66 (11) ◽  
Author(s):  
V. Zhuk ◽  
D.V. Regelman ◽  
D. Gershoni ◽  
M. Bayer ◽  
J.P. Reithmaier ◽  
...  
Keyword(s):  
Electromagnetic Field ◽  
Near Field ◽  
Field Mapping

scholarly journals Computed terahertz near-field mapping of molecular resonances of lactose stereo-isomer impurities with sub-attomole sensitivity

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Kiwon Moon ◽  
Youngwoong Do ◽  
Hongkyu Park ◽  
Jeonghoi Kim ◽  
Hyuna Kang ◽  
...  
Keyword(s):  
Near Field ◽  
Theoretical Models ◽  
Low Energy ◽  
Molecular Vibration ◽  
Organic Crystals ◽  
Molecular Fingerprinting ◽  
Field Mapping ◽  
Near Field Imaging ◽  
Vibration Dynamics ◽  
Molecular Resonance

AbstractTerahertz near-field microscopy (THz-NFM) could locally probe low-energy molecular vibration dynamics below diffraction limits, showing promise to decipher intermolecular interactions of biomolecules and quantum matters with unique THz vibrational fingerprints. However, its realization has been impeded by low spatial and spectral resolutions and lack of theoretical models to quantitatively analyze near-field imaging. Here, we show that THz scattering-type scanning near-field optical microscopy (THz s-SNOM) with a theoretical model can quantitatively measure and image such low-energy molecular interactions, permitting computed spectroscopic near-field mapping of THz molecular resonance spectra. Using crystalline-lactose stereo-isomer (anomer) mixtures (i.e., α-lactose (≥95%, w/w) and β-lactose (≤4%, w/w)), THz s-SNOM resolved local intermolecular vibrations of both anomers with enhanced spatial and spectral resolutions, yielding strong resonances to decipher conformational fingerprint of the trace β-anomer impurity. Its estimated sensitivity was ~0.147 attomoles in ~8 × 10−4 μm3 interaction volume. Our THz s-SNOM platform offers a new path for ultrasensitive molecular fingerprinting of complex mixtures of biomolecules or organic crystals with markedly enhanced spatio-spectral resolutions. This could open up significant possibilities of THz technology in many fields, including biology, chemistry and condensed matter physics as well as semiconductor industries where accurate quantitative mappings of trace isomer impurities are critical but still challenging.

20 GHz Antenna Radiation Pattern Obtained From Near-Field Mapping With Electrooptic Probe on a Single Plane

2020 ◽  
Vol 19 (7) ◽  
pp. 1177-1181
Author(s):  
Gwenael Gaborit ◽  
Philippe Artillan ◽  
Cedric Bermond ◽  
Guillaume Revillod ◽  
Guillaume Chevrier-Gros ◽  
...  
Keyword(s):  
Radiation Pattern ◽  
Near Field ◽  
Antenna Radiation ◽  
Single Plane ◽  
Field Mapping ◽  
Antenna Radiation Pattern

Generation and near-field mapping of Airy plasmons

2010 ◽  
Author(s):  
A. Minovich ◽  
A. E. Klein ◽  
N. Janunts ◽  
T. Pertsch ◽  
D. N. Neshev ◽  
...  
Keyword(s):  
Near Field ◽  
Field Mapping

Near-field mapping of spectroelectrochemical properties of polyaniline

2010 ◽  
Author(s):  
R. Barillé ◽  
O. L. Gribkova ◽  
A. R. Tameev ◽  
A. A. Nekrasov ◽  
V. F. Ivanov ◽  
...  
Keyword(s):  
Near Field ◽  
Field Mapping ◽  
Spectroelectrochemical Properties

scholarly journals Optimizing SERS from Gold Nanoparticle Clusters: Addressing the Near Field by an Embedded Chain Plasmon Model

2016 ◽  
Vol 120 (19) ◽  
pp. 10512-10522 ◽  
Author(s):  
Richard W. Taylor ◽  
Rubén Esteban ◽  
Sumeet Mahajan ◽  
Javier Aizpurua ◽  
Jeremy J. Baumberg
Keyword(s):  
Gold Nanoparticle ◽  
Near Field ◽  
Nanoparticle Clusters
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