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Dielectrics' refractive index limits photonics miniaturization. By coupling light to metal's free electrons, plasmonic devices achieve deeper localization, which scales with the device geometric size. However, when localization approaches…

Research into developing dual modality probes enabled for magnetic resonance imaging (MRI) and positron emission tomography (PET) has been on the rise recently due to the potential to combine the high resolution of MRI and the high…

Materials Science · Physics 2012-10-08 Ray M. Wong , Dustin Gilbert , Kai Liu , Angelique Y. Louie

Accurate detection and characterization of nanoparticles within confined spaces is crucial for applications ranging from nanofluidics to biotechnology. We present a novel approach that combines interferometric scattering (iSCAT) detection…

The nanoscale optical properties of high-quality MoS$_2$ nanoribbons are investigated using THz nanoscopy based on a scattering-type scanning probe. The nanoribbons comprise a multi-layer core, surrounded by monolayer edges. A featureless…

Optical near-fields of small dielectric particles are of particular importance and interests for nanoscale optical engineering such as field localization, fabrication, characterization, sensing and imaging. This paper represents a…

Optics · Physics 2013-04-25 Zengbo Wang , Yi Zhou , Boris Luk'yanchuk

Recent years have seen great progress in our understanding of the electronic properties of nanomaterials in which at least one dimension measures less than 100 nm. However, contacting true nanometer scale materials such as individual…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 J. C. Frake , S. Kano , C. Ciccarelli , J. Griffiths , M. Sakamoto , T. Teranishi , Y. Majima , C. G. Smith , M. R. Buitelaar

Relative astrometric measurements with a precision far better than 1 mas (milli-arcsec) are commonly regarded as the domain of interferometry. Pioneering work by Pravdo & Shaklan (1996), made in the optical, reached a precision of 150…

Astrophysics · Physics 2015-05-13 Andreas Seifahrt , Tristan Roell , Ralph Neuhaeuser

Understanding nano- and micro-scale crystal strain in CVD diamond is crucial to the advancement of diamond quantum technologies. In particular, the presence of such strain and its characterization present a challenge to diamond-based…

We present results showing the potential of diamond nanoparticles with size less than 50 nm as photoluminescent nanoprobes for serving as stable point-like emitters attached at the tip apex of a near-field optical microscope to achieve…

Materials Science · Physics 2009-10-25 A. Cuche , Y. Sonnefraud , O. Faklaris , D. Garrot , J. -P. Boudou , T. Sauvage , J. -F. Roch , F. Treussart , S. Huant

Material properties strongly depend on the nature and concentration of defects. Characterizing these features may require nano- to atomic-scale resolution to establish structure-property relationships. 4D-STEM, a technique where diffraction…

Materials Science · Physics 2023-05-03 Stephanie M. Ribet , Colin Ophus , Roberto dos Reis , Vinayak P. Dravid

Dark Matter In CCDs (DAMIC) is a silicon detector apparatus used primarily for searching for low-mass dark matter using the silicon bulk of Charge-Coupled Devices (CCDs) as targets. The silicon target within each CCD is…

Instrumentation and Detectors · Physics 2020-03-09 Steven Juhyung Lee , Ben Kilminster , Anna Macchiolo

Diamond has been developed as a material for the detection of charged particles by ionization. Its radiation hardness makes it an attractive material for detectors operated in a harsh radiation environment e.g. close to a particle beam as…

Instrumentation and Detectors · Physics 2009-02-09 M. Mathes , M. Cristinziani , H. Kagan , S. Smith , W. Trischuk , J. Velthuis , N. Wermes

A novel hybrid method based on Mie theory and the Discrete Dipole Approximation (DDA) was developed to study the microscopic parameters governing the optical response of tunable photonic crystals (PC). The method is based on a two-step…

The widespread diffusion of precision radiotherapy techniques, geared toward the release of larger dose gradients in shorter time frames, is leading to new challenges in dosimetry. Accurate dose measurements are essential to check for beam…

Medical Physics · Physics 2022-05-17 S. Pettinato , M. Girolami , R. Olivieri , A. Stravato , C. Caruso , S. Salvatori

Particle size is a key variable in understanding the behaviour of the particulate products that underpin much of our modern lives. Typically obtained from suspensions at rest, measuring the particle size under flowing conditions would…

Soft Condensed Matter · Physics 2021-07-22 James A Richards , Vincent A Martinez , Jochen Arlt

NV centers in diamond are generally recognized as highly promising as indefinitely stable highly efficient single-photon sources. We report an experimental quantification of the brightness, radiative decay rate, nonradiative decay rate and…

Optics · Physics 2015-06-12 Abbas Mohtashami , A. Femius Koenderink

We show that plasmonic solid-state nanopores with tunable hole diameter can be prepared via a photocatalytic effect resulting from the enhanced electromagnetic field inside a metallic ring prepared on top of a dielectric nanotube. Under…

Polymeric nanoparticles (NPs) have a great application potential in science and technology. Their functionality strongly depends on their size. We present a theory for the size of NPs formed by precipitation of polymers into a bad solvent…

Soft Condensed Matter · Physics 2012-11-06 R. Stepanyan , J. G. J. L. Lebouille , J. J. M. Slot , R. Tuinier , M. A. Cohen Stuart

Circular dichroism (CD), induced by chirality, is an important tool for manipulating light or for characterizing morphology of molecules, proteins, crystals and nano-structures. CD is manifested over a wide size-range, from molecules to…

The potential for detecting DM at the Compact Linear Collider (CLIC) is investigated at \mbox{$\sqrt{s}=$ 3 TeV}. The sensitivity of the search is estimated by computing the 95\% confidence level upper limit cross section as a function of…

High Energy Physics - Experiment · Physics 2021-03-16 J-J. Blaising , P. Roloff , A. Sailer , U. Schnoor
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