Results 31 to 40 of about 2,348,191 (254)

The MAORY first-light adaptive optics module for E-ELT

, 2015
The MAORY adaptive optics module is part of the first light instrumentation suite for the E-ELT. The MAORY project phase B is going to start soon.
Ragazzoni R., De Caprio V., Agapito G., Cortecchia F., Delboulbe A., Henault F., Riva M., Giro E., Bonaglia M., Lauria M., Pareschi G., Biliotti V., Briguglio R., Verinaud C., Esposito S., Busoni L., Spano P., Giordano C., Rochat S., Ramsay S., Bregoli G., Oberti S., Ferruzzi D., Ventura N., Arcidiacono C., Lafrasse S., Baruffolo A., Cascone E., Rabou P., Carbonaro L., Felini C., Schreiber L., Bellazzini M., Foppiani I., Xompero M., Roussel F., De Rosa A., Fiorentino G., De Pascale M., Ciliegi P., Ghigo M., Sztefek M. -H., Saracco P., Spavone M., Fini L., Magnard Y., Maurel D., Puglisi A., Roux A., Maiorano E., Le Coarer E., Di Rico G., Riccardi A., Morgante G., Cosentino G., Mapelli M., Moulin T., Fantinel D., Butler R. C., Jocou L., Lombini M., Marchetti E., Gluck L., Michaud L., Feautrier P., Zerbi F. M., Carlotti A., Diolaiti E., Ricciardi S., Abicca R., Mannucci F., Salasnich B., Zins G., Correia J. -J., Patti M., Stadler E., Casali M., Kerber F., Brissaud O., Del Vecchio C.   +79 more
core   +1 more source

Large lightweight segmented mirrors for adaptive optics

, 2022
Paper 70153UThis paper examines the possibility of constructing deformable mirrors for adaptive optics with a large number of degrees of freedom, by assembling segmented silicon mirrors with bimorph piezoelectric actuation.
Preumont, A., Roose, S., Bastaits, R., Gebhardt, S., Rodrigues, G., Stockman, Y., Schoenecker, A., Villon, P.   +7 more
core   +1 more source

Combined effects of drought and CO2 enrichment on foliar metabolites of potato (Solanum tuberosum L.) cultivars

Journal of Plant Interactions, 2019
Drought invokes a variety of metabolic alterations in plant leaves to cope with stress situations. To understand the effects of CO2 and drought stress for leaf metabolic changes in potato [Solanum tuberosum (L)], two contrasting potato cultivars Harley ...
Jinyoung Yang Barnaby, David H. Fleisher, Shardendu K. Singh, Richard C. Sicher, Vangimalla R. Reddy   +4 more
doaj   +1 more source

Adaptive Gradient Estimation Stochastic Parallel Gradient Descent Algorithm for Laser Beam Cleanup

Photonics, 2021
For a high-power slab solid-state laser, obtaining high output power and high output beam quality are the most important indicators. Adaptive optics systems can significantly improve beam qualities by compensating for the phase distortions of the laser ...
Shiqing Ma, Ping Yang, Boheng Lai, Chunxuan Su, Wang Zhao, Kangjian Yang, Ruiyan Jin, Tao Cheng, Bing Xu   +8 more
doaj   +1 more source

Comparative Drug Response Profiling in Neuroblastoma Cell Lines and Patient‐Derived Tumor Organoids

Pediatric Blood &Cancer, EarlyView.
ABSTRACT High‐risk neuroblastoma remains a leading cause of pediatric cancer mortality, and improved preclinical models are needed to guide therapeutic developments. We screened seven high‐risk neuroblastoma cell lines and three patient‐derived tumor organoids with 528 compounds alongside bone marrow controls, and compared them with external datasets ...
Krzysztof Wierbiłowicz, Se Whee Sammy Park, Aironas Los, Ernest Liu, Nona Struyf, Tom Erkers, Sören Lehmann, Jan J. Molenaar, Jakob Stenman, Olli Kallioniemi, Päivi Östling, Brinton Seashore‐Ludlow, Kasper Karlsson   +12 more
wiley   +1 more source

RMVAD-YOLO: A Robust Multi-View Aircraft Detection Model for Imbalanced and Similar Classes

Remote Sensing
Aircraft detection technology plays a vital role in civilian applications, with significant attention being devoted to research on related algorithms in recent years.
Keda Li, Xiangyue Zheng, Jingxin Bi, Gang Zhang, Yi Cui, Tao Lei   +5 more
doaj   +1 more source

Social Functioning Within the First Years After Pediatric Brain Tumor Diagnosis and the Relationship With Family Psychosocial Risk

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Survivors of pediatric brain tumors (PBTs) can experience long‐term social difficulties, impacting quality of life. Beyond medical and environmental factors, family psychosocial risk may play a role in social outcomes by shaping the caregiving environment and may provide intervention options.
Renske H. Houben, Marisa H. Huisman, Martha A. Grootenhuis, Femke K. Aarsen, Marita Partanen   +4 more
wiley   +1 more source

Non-Appearance-Based Discrimination of UAVs and Birds in Optical Remote Sensing: Using Kinematic and Time–Frequency Features

Drones
Unmanned aerial vehicles (UAVs) and birds are typical low-altitude small targets in optical remote sensing, often occupying only a few pixels and exhibiting highly similar appearances, which limits the effectiveness of appearance-based discrimination at ...
Yifei Yao, Jiazhou Geng, Guiting Chen, Tao Lei, Lvjiyuan Jiang, Yi Cui   +5 more
doaj   +1 more source

The Impact of the COVID‐19 Pandemic on Childhood Cancer Survival: A Population‐Based Assessment of Survival Patterns Between 2015 and 2023 in Germany

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Numerous international studies have reported declines in new cancer diagnoses, delayed diagnoses and disruptions in cancer treatment following the implementation of COVID‐19 pandemic public health measures, raising concerns that these effects may ultimately contribute to increased cancer mortality.
Friederike Erdmann, Maike Wellbrock, Javier Louro, Arndt Borkhardt, Martin Schrappe, Claudia Trübenbach, Desiree Grabow, Cécile M. Ronckers, Joachim Schüz   +8 more
wiley   +1 more source

Tip–Tilt Aberration Compensation for Laser Array Atmospheric Propagation Based on Cooperative Beacons

Photonics
Laser beam combining is essential for achieving high-power and high-radiance output. However, atmospheric turbulence induces independent tip–tilt aberrations across discrete sub-beams in laser array systems, which severely degrades the concentration of ...
Xiaohan Mei, Yi Tan, Ce Wang, Jiayao Wu, Ping Yang, Shuai Wang   +5 more
doaj   +1 more source