Results 101 to 110 of about 19,361 (300)

Conditional guided generative diffusion for particle accelerator beam diagnostics

Scientific Reports
Advanced accelerator-based light sources such as free electron lasers (FEL) accelerate highly relativistic electron beams to generate incredibly short (10s of femtoseconds) coherent flashes of light for dynamic imaging, whose brightness exceeds that of ...
Alexander Scheinker
doaj   +1 more source

Research on the propagation of laser beams array with coherent and incoherent combination in dynamic atmosphere turbulence

, 2022
High-power laser systems mostly use coherent or incoherent combined beams to achieve higher laser output power to satisfy the application. However, the far-field beam quality of laser will be reduced when propagating over atmosphere.
Wang, Peng, Xue, Liangping, null Peng Wang, null Wantao Deng, null Huijun Xia, Gan, Chunquan, Xia, Huijun, Deng, Wantao, null Chunquan Gan, null Liangping Xue, Yang, Huan, null Chengcheng Wang, Wang, Chengcheng, null Huan Yang   +13 more
core   +1 more source

Exploring an Alternative to mRNA Vaccine Cold Chain Storage: MRNA‐Lipid Nanoparticle Stability When Dried in a Polymer Matrix

Advanced Functional Materials, EarlyView.
The nanostructure, size, and function of mRNA‐loaded lipid nanoparticles are evaluated before drying, within polymer microneedles, and after rehydration. The results reveal the polymer and LNP loadings required to recover nanostructure and preserve the delivery performance in dry‐state formulations.
Brendan P. Dyett, Shahad K. Alsaiari, John L. Daristotle, Timothy A. Forster, Alicia Lau, Dhruv Varshney, Rania Afaneh, Andrew R. Hanna, Charles Sloane, David Mankus, Haitao Yu, Jiali Zhai, DongSoo Yun, Lisa H. Tostanoski, Abigail Lytton‐Jean, Dan H. Barouch, Charlotte E. Conn, Robert Langer, Ana Jaklenec, Calum J. Drummond   +19 more
wiley   +1 more source

Laser Coherent Combination With Circular Array of Airy Beams

IEEE Photonics Journal
A high-efficiency laser coherent combination method based on the virtue of the self-transverse acceleration effect of Airy beams is proposed and demonstrated by converting an array of Gaussian beams into Airy beams array to reduce laser beams separation ...
Huahua Wang, Yang Liu, Jian Ma, Qin Wen, Xingwang Kang, Haoran Du, Xinglin Zhong, Fei Chen, Junjie Sun, Lu Gao, Ze Zhang   +10 more
doaj   +1 more source

Near‐Infrared Light‐Driven Zn/Au Janus Micromotors for Multiplex SERS Detection of Anticancer Drugs

Advanced Functional Materials, EarlyView.
Zn/Au Janus micromotors, propelled by thermophoretic effects under NIR light, function as active SERS platforms for single and multiplex detection of anticancer drugs. Their dynamic motion enhances analyte exchange at the Au interface, reducing saturation and competitive adsorption, thereby improving sensitivity and extending the linear detection range.
Tijana Maric, Gohar Soufi, Ziqiao Li, Erick Chica, Amran Abdirasheed Ali Jinow, Nada Al‐Roubaï, Noor Ahmed, Yaman Göksel, Anja Boisen   +8 more
wiley   +1 more source

First electron acceleration in a tunable-velocity laser wakefield

Physical Review Research
We present the first experimental confirmation that a laser-wakefield accelerator produced by a flying focus pulse is able to maintain the coherent structures necessary to accelerate electrons to relativistic energies.
Aaron Liberman, Anton Golovanov, Slava Smartsev, Anda-Maria Talposi, Sheroy Tata, Victor Malka   +5 more
doaj   +1 more source

Rod-type Multicore Fiber with 49 Cores for Coherent Beam Combination of Femtosecond Pulses

We present an Ytterbium-doped, multicore, rod-type fiber comprising 49 signal cores. The fiber has already demonstrated kW-level output average powers.
Limpert, Jens, Steinkopff, Albrecht, Bahri, Mehran, Haarlammert, Nicoletta, Tünnermann, Andreas, Schreiber, Thomas, Klenke, Hans Arno, Nold, Johannes, Jauregui, Cesar   +8 more
core   +1 more source

Coherent beam combining of 61 femtosecond fiber amplifiers

, 2020
International audienceWe report on the coherent beam combining of 61 femtosecond fiber chirped-pulse amplifiers in a tiled-aperture configuration along with an interferometric phase measurement technique. Relying on coherent beam recombination in the far
Christian Larat, Arnaud Brignon, Larat, Christian, Veinhard, Matthieu, Fsaifes, Ihsan, Matthieu Veinhard, Lallier, Eric, Jérôme Bourderionnet, Bellanger, Severine, Durand, Eric, Louis Daniault, Bourderionnet, Jerome, Eric Lallier, Séverine Bellanger, Brignon, Arnaud, Chanteloup, Jean-Christophe, Jean-Christophe Chanteloup, Eric Durand, Daniault, Louis, Ihsan Fsaifes   +19 more
core   +1 more source

Unraveling the Electronic Structure of Silicon Vacancy Centers in 4H‐SiC

Advanced Functional Materials, EarlyView.
The electronic structure of the silicon vacancy in 4H‐SiC is probed via transient absorption spectroscopy, uncovering previously inaccessible excited states of the quartet and doublet spin channels, including the V2' transition. In combination with theoretical analysis, a comprehensive picture of the electronic structure is established.
Ali Tayefeh Younesi, Minh Tuan Luu, Christopher Linderälv, Vytautas Žalandauskas, Marianne Etzelmüller Bathen, Nguyen Tien Son, Takeshi Ohshima, Gergő Thiering, Lukas Razinkovas, Ronald Ulbricht   +9 more
wiley   +1 more source

Glissile Interphase Boundaries Enable Collective Phase Switching in Epitaxial Polar Oxides

Advanced Functional Materials, EarlyView.
A triple point is identified in the phase diagram of low‐symmetry epitaxial BiFeO3 thin film along with an extended regime of phase competition associated with a flattened energy landscape. The electromechanical response is shown to be governed by correlated interphase‐boundary motion, including scale‐free avalanche dynamics characteristic of systems ...
Mohammad Moein Seyfouri, Oliver Paull, Ralph Bulanadi, Yasuhiro Sakamoto, Shintaro Yasui, Mikayla Lord, Mahak Chhabra, David Walker, Patrycja Paruch, Shery Chang, Nagarajan Valanoor, Daniel Sando   +11 more
wiley   +1 more source