Results 111 to 120 of about 5,247 (233)

Towards Functional Miniaturized Lasers [PDF]

open access: yes, 2007
In this thesis, nanometer scale semiconductor lasers and micrometer scale polymer based dye lasers are our focus in bringing the miniaturized lasers to applications in data transmission; ultra-small chemical / biological sensors; and ultra-compact ...
Zhang, Zhaoyu
core   +1 more source

A personal 360° view of applications of ‘biomimetic’ molecular recognition

open access: yesJournal of Chemical Technology &Biotechnology, Volume 101, Issue 7, Page 1300-1311, July 2026.
Abstract Molecular recognition between biological molecules has formed the basis for innumerable applications in biotechnology for the last seven decades or so. Techniques such as affinity chromatography, solid‐phase and aqueous two‐phase extraction, affinity precipitation, biomimetic catalytic systems, biosensors and molecular imprinting all exploit ...
Christopher R Lowe
wiley   +1 more source

Optical setup of holographic projector attachment.

open access: yes, 2019
a: Schematic of the commercial two-photon microscope and the holographic attachment. b: Detailed schematic of the holographic projector attachment. PBS: polarizing beam splitter, M: mirror, L: lens, SLM: spatial light modulator, λ/2: half waveplate.
Michael Lawrence Castañares (6270296)   +4 more
core   +1 more source

3D-Printed mmWave Quasi-Holographic Antenna for 2-D Beamforming

open access: yesIEEE Open Journal of Antennas and Propagation
This paper presents the design and manufacturing of a novel 2D-scanning antenna that integrates a 3D-printed Rotman lens with a quasi-holographic leaky-wave antenna (HLWA).
Amir Tag   +7 more
doaj   +1 more source

Bureaucratic Caring in Action: Chief Nursing Officers' Leadership in Healthcare

open access: yesJournal of Advanced Nursing, Volume 82, Issue 7, Page 7513-7526, July 2026.
ABSTRACT Aim To explore how chief nursing officers perceive and enact their leadership within bureaucratic healthcare systems, with a particular focus on patient safety, strategic responsibilities and the advancement of nursing care quality. Methods A qualitative study design was used.
Marie Häggström   +4 more
wiley   +1 more source

Dynamic Holographic Display With Multiplexed Dielectric Metasurfaces

open access: yesNanophotonics, Volume 15, Issue 12, 25 June 2026.
Based on multiplexed metasurfaces, we show hybrid multiplexing of polarization, wavelength, and orbital angular momentum can be applied for dynamic tuning. Our strategy presents a highly compact and efficient solution for high‐capacity, multi‐dimensional holography, with promising applications in advanced displays, data storage, optical encryption, and
Yu Liu   +8 more
wiley   +1 more source

An Interferometric method for evaluating holographic materials

open access: yes, 1990
A new method for evaluating the performance of holographic optical elements and holographic materials is described. The method involves recording a spherical holographic lens, aligning the lens in an interferometer, obtaining an interferogram, and ...
Sumner, Roger C.
core  

Advanced application of flexible metamaterials at visible frequencies

open access: yes, 2015
The authors acknowledge support by EPSRC (EP/I004602/1 and EP/J004200/1).Flexible metamaterials (FMMs) at optical frequencies can conform to a wide range of target geometries whilst allowing their optical properties to be tuned post-fabrication.
Andrea Di Falco   +9 more
core   +1 more source

Holographic Ultrasound Modulates Neural Activity in a 1-Methyl-4-Phenyl-1,2,3,6-Tetrahydropyridine-Induced Mouse Model of Parkinson’s Disease

open access: yesResearch
Ultrasound (US) has emerged as a noninvasive neurostimulation method for motor control in Parkinson’s disease (PD). Previous in vivo US neuromodulation studies for PD were single-target stimulation.
Hui Zhou   +6 more
doaj   +1 more source

Volume holographic hyperspectral imaging [PDF]

open access: yes
A volume hologram has two degenerate Bragg-phase-matching dimensions and provides the capability of volume holographic imaging. We demonstrate two volume holographic imaging architectures and investigate their imaging resolution, aberration, and ...
Barbastathis, G., Psaltis, D., Liu, W.
core   +1 more source

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