Results 241 to 250 of about 52,471 (290)
Phase Engineering of Atomically Precise Nanoclusters (APNCs) of Gold and Beyond
Advanced Materials, EarlyView.Engineering the structural phase of materials is of paramount importance for both fundamental research and practical applications. In this Review, we summarize the recent progress in controlling the phases of atomically precise nanoclusters (APNCs) of gold, silver and copper, as well as bimetallic systems. The phase‐enabled material properties of APNCs
Yitong Wang +4 more
wiley +1 more source
Advanced Materials, EarlyView.ABSTRACT Accurately knowing the frontier orbital energies of the structurally disordered small‐molecule organic semiconductors that are used in optoelectronic devices such as organic light‐emitting diodes is required to rationally improve their performance. Here, we show that these energies can be deduced with a large accuracy from the peak energies of
Christian B. McDonald +7 more
wiley +1 more source
Second‐Harmonic Hyper‐Mie Optical Activity Enables Closed‐Loop Chiral Photochemistry
Advanced Materials, EarlyView.Nonlinear chiral photochemistry is demonstrated in CdTe/CdO nanohelices, where circularly polarized infrared light both drives and tracks photo‐oxidation via second‐harmonic scattering. This closed‐loop process reveals real‐time structural evolution, including shell fracturing and core exposure, accompanied by a transition from hyper‐Mie to hyper ...
Hoyeon Choi +6 more
wiley +1 more source
Borate-Based Ultraviolet and Deep-Ultraviolet Nonlinear Optical Crystals [PDF]
Crystals, 2017 Borates have long been recognized as a very important family of nonlinear optical (NLO) crystals, and have been widely used in the laser frequency-converting technology in ultraviolet (UV) and deep-ultraviolet (DUV) regions. In this work, the borate-based UV and DUV NLO crystals discovered in the recent decade are reviewed, and the structure–property ...
Yi Yang, Xingxing Jiang, Zheshuai Lin
exaly +3 more sources
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Applied Optics, 1990
A visible-light microscope has been modified to obtain deep UV (190-350-nm) images using reflected illumination. Potential advantages of deep UV microscopy include better resolution, depth of focus, and contrast for certain materials and fewer artifacts when viewing multilayered structures. These advantages are especially useful when viewing organic or
P A, Heimann, R, Urstadt
openaire +2 more sources
A visible-light microscope has been modified to obtain deep UV (190-350-nm) images using reflected illumination. Potential advantages of deep UV microscopy include better resolution, depth of focus, and contrast for certain materials and fewer artifacts when viewing multilayered structures. These advantages are especially useful when viewing organic or
P A, Heimann, R, Urstadt
openaire +2 more sources
Generation of deep ultraviolet sub-2-fs pulses [PDF]
Optics Letters, 2019 We demonstrate the generation of few-cycle deep ultraviolet pulses via frequency upconversion of 5-fs near-infrared pulses in argon using a laser-fabricated gas cell.
M Galli, Vincent Wanie, Erik P Mansson
exaly +2 more sources
Deep ultraviolet tip-enhanced fluorescence
Nanotechnology, 2018Abstract Theoretical calculations were performed for the deep ultraviolet (DUV) tip-enhanced fluorescence (TEF) using Al@Al 2 O 3 core–shell tips. Fluorescence enhancement, spatial resolution and surface plasmon coupled emission (SPCE)
Lingyan Meng, Man Gao, Mengtao Sun
openaire +2 more sources
Emergent Deep‐Ultraviolet Nonlinear Optical Candidates
Angewandte Chemie - International Edition, 2020AbstractAdvances in the generation of coherent lasers at wavelengths below 200 nm as well as the associated equipment and technologies have greatly spurred the development of nonlinear optical (NLO) materials that are capable of phase‐matching in the deep‐ultraviolet (deep‐UV) spectral regions.
Miriding Mutailipu, Shilie Pan
exaly +3 more sources
Deep‐Ultraviolet Hyperbolic Metacavity Laser
Advanced Materials, 2018AbstractGiven the high demand for miniaturized optoelectronic circuits, plasmonic devices with the capability of generating coherent radiation at deep subwavelength scales have attracted great interest for diverse applications such as nanoantennas, single photon sources, and nanosensors.
Kun‐Ching Shen +5 more
openaire +2 more sources
Comparison of Materials for Deep-Ultraviolet Optical Isolator
2022 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2022The Verdet constant in deep-ultraviolet region was evaluated and compared in synthetic quartz, LiY0.85Er0.15F4 and LiYF4. The DUV optical isolator can realize with the moderate magnetic field.
Yuki Tamaru +5 more
openaire +1 more source