Results 91 to 100 of about 7,275,136 (257)

High-performance deep-ultraviolet optics for free-electron lasers

, 2022
S.3236-3241Working with wavelengths shorter than the deep ultraviolet involves the development of dedicated optics for free-electron lasers with devoted coating techniques and characterizations.
Torchio, P., Kohlhaas, J., Trovo, M., Heber, J., Marsi, M., Kaiser, N., Garzella, D., Gatto, A., Thielsch, R., Ristau, D., Walker, R., Günster, S., Couprie, M.E., Amra, C., Alvisi, M.   +14 more
core   +1 more source

Molecular characterization of covRS mutations in M1UK Streptococcus pyogenes

FEBS Open Bio, EarlyView.
Group A Streptococcus (GAS) acquires covRS mutations driving a hypervirulent bacterial state, frequently associated with invasive disease‐like necrotizing fasciitis. We demonstrate that the newly emerged M1UK GAS lineage can also acquire these mutations.
Jarrad Pritchard, Emma‐Jayne Proctor, Jiawa Wang, Nikolas P. Johnston, Andrew Hayes, Georgia McCorkell, Haibo Yu, Jai Tree, Mark R. Davies, Mark J. Walker, Ronald Sluyter, Stephan Brouwer, Martina L. Sanderson‐Smith   +12 more
wiley   +1 more source

Improving free-space continuous variable quantum key distribution with adaptive optics

Scientific Reports
A significant performance inhibitor of free-space continuous variable quantum key distribution (CVQKD) is turbulence, which gives rise to wavefront phase and amplitude aberrations.
Mikhael T. Sayat, Marcus Birch, Michael Copeland, Elisa Jager, Oliver Thearle, Francis Bennet, Ping Koy Lam, Nicholas J. Rattenbury, John E. Cater   +8 more
doaj   +1 more source

A new flow chip in combination with multiphoton microscopy as a protocol for longitudinal 3D imaging of tissue calcification under shear stress

FEBS Open Bio, EarlyView.
Miniaturized flow chip platform enabling continuous perfusion and longitudinal multiphoton 3D imaging of vascular smooth muscle cell constructs under physiological flow. Brightfield imaging guides region selection, while CellTracker Green and mRuby‐labeled fetuin‐A visualize cells and mineral deposition, respectively. Magnesium supplementation markedly
Vytautas Kučikas, Aaron D. Morgan, Ignas Čiurlionis, Christian Böhm, Stefan Jockenhövel, Willi Jahnen‐Dechent, Marc A. M. J. van Zandvoort   +6 more
wiley   +1 more source

Optical Signal Attenuation through Smog in Controlled Laboratory Conditions

Photonics
Free-space optical (FSO) communication is a line-of-sight (LOS) communication technology that uses light, typically lasers, to transmit data through the atmosphere.
Hira Khalid, Sheikh Muhammad Sajid, Muhammad Imran Cheema, Erich Leitgeb   +3 more
doaj   +1 more source

Subcarrier intensity modulated free-space optical communication systems [PDF]

This thesis investigates and analyses the performance of terrestrial free-space optical communication (FSO) system based on the phase shift keying pre-modulated subcarrier intensity modulation (SIM).
Popoola, Wasiu Oyewole
core  

Image sharpening metrics and search strategies for indirect adaptive optics [PDF]

, 2000
Adaptive optics is concerned with the correction of turbulence induced aberrations and mis-alignments in optical systems. It is an expensive and complicated technology which has been developed for astronomy and defence applications.
Doble, N., Doble, Nathan
core  

Evaluating the effect of γ‐oryzanol on MASLD pathology using a medaka fish model

FEBS Open Bio, EarlyView.
This study explores a liver disease called MASLD, which is increasing worldwide and can lead to serious damage. Researchers used medaka fish instead of rodents to test a food compound, γ‐oryzanol. Fish fed this compound had less liver fat and healthier gut bacteria.
Yukako Ito, Haduki Asano, Ayano Ueki, Joe Sakamoto, Yasuhiro Kamei, Hayato Tokumoto, Ayaka Yazawa, Shigeki Kamitani   +7 more
wiley   +1 more source

Latency Budgeting of Dynamic Cloud Radio Access Network

Anbar Journal of Engineering Sciences
This paper analyzes latency budgeting within a dynamic cloud radio access network and compares the impact of millimetre wave, optical fiber, and free-space optics front-haul links on end-to-end delay.
Basim K. J. Al-Shammari
doaj   +1 more source

Review on Free Space Optics

, 2013
Present era demands high bandwidth with high data rates especially for internet. For high data rates requires high speed transmission medium like optical fiber.
Er. Abhishek Sharma, Er. Rajeev Thakur, Er. Sukhbir Singh   +2 more
core   +1 more source