Papers – Page 29 – TechConnect Briefs

Investigation of secondary electron emission of a monocrystal diamond for creation microchannel devices with high quantum efficiency

Sadovoy V., Terentiev S., Bormashov V., FSBI TISNCM, RU

In this work possibility of use of a monocrystal diamond(CVD and HPHT) as highly effective secondary emitter is shown.The maximum SE coefficient about 14 at working accelerating voltage is received (several times exceeds SE coefficient [...]

FIRMS: A Novel Technique for Magnetic Molecular Imaging

De Silva L., Hu Q., Wang Y., Xu S.-J., University of Houston, US

Molecular imaging usually employs a labeling technique, mainly optical labeling or magnetic labeling, to highlight target molecules. While optical labeling uses a wavelength parameter to achieve molecular specificity, there is no analogous parameter in magnetic [...]

Premises of Communication and Processing on Photons in Natural and Engineered Systems: Implication to Science and High-Technology Market

Nuzdina N., Mansurov Z., Aliyev E., Lyshevski S.E., Rochester Institute of Technology, US

We examine various engineered and natural photonic and biophotonic systems. To analyze and design microscopic systems, we study quantum phenomena which are exhibited and utilized. Quantum effects and photonic technology are widely used in biotechnology, [...]

Plasmon enhanced silver quantum cluster fluorescence for biochemical applications

Bernard S., Kutter J.P., Mogensen K.B., Technical University of Denmark, DK

Silver quantum clusters (AgQCs) consisting of typically 4-10 atoms and known to be highly fluorescing in the visible wavelength range. Here, plasmon-enhanced silver quantum cluster fluorescence is employed for chemical sensing in a simple microfluidic [...]

Low-Cost Sensing Platforms Based on Tunable 1D Photonic Crystals Integrated with Organic Light-Emitting Diodes and Photodetectors

Pavlichenko I., Exner A.T., Lugli P., Scarpa G., Lotsch B.V., Ludwig Maximilian University of Munich, DE

Herein, we present an innovative detection platform based on utilizing 1D PCs as responsive multilayers for intensity modulation of narrow-band light sources, namely, organic light-emitting diodes (OLEDs), as shown in Figure 1. The tunable range [...]

On-chip spectrometer for low-cost optical coherence tomography

Nitkowski A., Preston K., Sherwood-Droz N., Schmidt B., Hajian A., Tornado Spectral Systems, US

Tornado Spectral Systems has developed a new spectrometer called OCTANE, the Optical Coherence Tomography Advanced Nanophotonic Engine, consisting of chip-based spectrometers for spectral domain optical coherence tomography (SD-OCT) systems. These devices include planar lightwave circuits [...]

Blueshift of the silver plasmon band using controlled nanoparticle dissolution in aqueous solution

Mogensen K.B., Kneipp K., Technical University of Denmark, DK

In this work, we report the size-dependent blue shift of the silver nanoparticle (AgNP with radius R) plasmon band in aqueous solution by means of UV/VIS spectroscopy. An oxidative dissolution scheme using cyanide in the [...]

Plasmon-enhanced Optical Rotation in Nanostructured Metasurfaces

Kim Y.H., Alali F., Furlani E.P., University at Buffalo (SUNY), US

Advancements in nanotechnology have enabled the realization of unique artificial materials for applications in the field of nanophotonics. Such metamaterials are engineered with sub-wavelength features to provide extraordinary optical properties such as negative refraction1, slow [...]

Intelligent Material Solutions Advancing Technologies

Collins J., Bell H., Intelligent Material Solutions, Inc., US

Sunstone Nanocrystals from Intelligent Material Solutions® Inc. are a proprietary, novel series of rare earth-doped nanocrystals of small size, high quantum efficiency, and high photoluminescent intensity functionalized for use in industrial and life sciences applications. [...]

Enhancement in optical and electrical efficiency of a Si nanocrystal light-emitting diode by indium tin oxide nanowires

Huh C., Kim S-H, Kim T.-Y., Park B.-J., Jang E.-H., Kim S-H, Kim T.-Y., Electronics and Telecommunications Research Institute, KR

In this work, a new technique for improving the optical and electrical properties of Si NC LEDs by employing indium tin oxide (ITO) nanowires (NWs) was investigated. The structure of Si NC LED investigated here [...]