Results 91 to 100 of about 159,108 (278)

Photonic millimeter-wave frequency multiplication based on cascaded four-wave mixing and polarization pulling

, 2012
This paper was published in OPTICS LETTERS and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/OL.37.005055.
B. Vidal, Cerqueira, Hansryd, Kawanishi, Li, Li, McKinstrie, Vidal, Wang, Wiberg, Wide   +10 more
core   +1 more source

Photon Avalanching Nanoparticles: The Next Generation of Upconverting Nanomaterials?

Advanced Functional Materials, EarlyView.
This Perspective outlines the mechanistic foundations that enable photon‐avalanche (PA) behavior in lanthanide nanomaterials and contrasts them with emerging application spaces and forward‐looking design strategies. By bridging threshold engineering, energy‐transfer dynamics, and materials engineering, we provide a coherent roadmap for advancing the ...
Kimoon Lee, Yunseo Kim, Hyeong‐ku Jo, Dongjoon Yoon, Byeonghyeok Im, WonJeong Yu, Eui‐Rim On, Changhwan Lee   +7 more
wiley   +1 more source

Robust optical design of high-contrast vehicle headlamps with cylindrical lens array and inverted triangular beam pattern

Scientific Reports
Headlamps are essential for safe night driving, as they must provide sufficient brightness to illuminate the road while minimizing glare for other drivers.
Chi-Shou Wu, Ivan Moreno, Chieh-Hsun Liu, Tsung-Hsun Yang, Yeh-Wei Yu, Ching-Cherng Sun   +5 more
doaj   +1 more source

Tree-CNN: from generalization to specialization

EURASIP Journal on Wireless Communications and Networking, 2018
Traditional convolutional neural networks (CNNs) classify all categories by a single network, which passes all kinds of samples through totally the same network flow.
Shenwang Jiang, Tingfa Xu, Jie Guo, Jizhou Zhang   +3 more
doaj   +1 more source

Building an optics and photonics research ecosystem in South Korea: Collaborative innovation between academia and industry. [PDF]

Light Sci Appl, 2023
Yang Y, Badloe T, Song D, Park S, Rho J.
europepmc   +1 more source

Speckle‐Engineered Upconversion Amplification in Nanoemulsion‐Templated Hydrogel Microdomes

Advanced Functional Materials, EarlyView.
Nanoemulsion‐confined PEGDA microdomes generate speckle‐like excitation fields that strongly amplify upconversion luminescence upon dehydration, enabling filter‐free visible readout with reversible on–off switching. DMD‐based lithography yields scalable, shape‐programmable arrays for moisture‐responsive displays and optical encryption.
Chaeyeong Ryu, Byungcheon Yoo, Seunghun Lee, Hyungyo Jeong, Sanggyun Jeong, Heesu Cho, Jongwon Oh, Dahye Baek, Jongkyu Kim, Yubin Lee, Eunsu Gu, Dong‐Hwan Kim, Jung‐Hoon Park, Jiseok Lee   +13 more
wiley   +1 more source

One-Step Synthesis of High Pure Tris(8-hydroxyquinoline)aluminum for Optics and Photonics. [PDF]

Materials (Basel), 2022
Avetisov R, Kazmina K, Barkanov A, Zykova M, Khomyakov A, Pytchenko A, Avetissov I.   +6 more
europepmc   +1 more source

Structure Formation in Butterfly Scales: Interplay of Genetic Control, Mechanical Instabilities, and Dynamic Material Properties

Advanced Functional Materials, EarlyView.
Butterfly wing scales are intricate cuticular functional nanosctructures. This perspective suggests that spatially varying material properties, cytoskeletal constraints, and growth‐driven mechanical instabilities shape the resulting nanoscale architectures created from single cells.
Anupama Prakash, Victoria Lloyd, Yi Yang, Anna‐Lee Jessop, Anthony McDougal, Primož Pirih, Guillaume Duclos, Andrew Parnell, Mathias Kolle, Nicola J. Nadeau, Bodo D. Wilts   +10 more
wiley   +1 more source

Label-free Brillouin endo-microscopy for the quantitative 3D imaging of sub-micrometre biology

Communications Biology
This report presents an optical fibre-based endo-microscopic imaging tool that simultaneously measures the topographic profile and 3D viscoelastic properties of biological specimens through the phenomenon of time-resolved Brillouin scattering.
Salvatore La Cavera, Veeren M. Chauhan, William Hardiman, Mengting Yao, Rafael Fuentes-Domínguez, Kerry Setchfield, Sidahmed A. Abayzeed, Fernando Pérez-Cota, Richard J. Smith, Matt Clark   +9 more
doaj   +1 more source

Special Section Guest Editorial: Wearable, Implantable, Mobile, and Remote Biomedical Optics and Photonics. [PDF]

J Biomed Opt, 2021
Ramella-Roman J, Gandjbakhche AH, Kanick SC, Shadgan B, Tromberg BJ.   +4 more
europepmc   +1 more source