Results 21 to 30 of about 446,257 (263)

Thermal Deformation Suppression Chip Based on Material Symmetry Design for Single Center Supported MEMS Devices

open access: yesIEEE Access, 2020
Structural thermal deformation is an important factor that affects the performance of MEMS devices. The mismatch of thermal expansion coefficient (CTE) between different materials is a major source.
Bowen Xing   +7 more
doaj   +1 more source

Second‐Harmonic Generation in Strained Silicon Metasurfaces

open access: yesAdvanced Photonics Research, 2022
Dielectric metasurfaces supporting Mie resonances can allow significantly boosted and tailored nonlinear light–matter interactions at the nanoscale. However, nonlinear dielectric metasurfaces typically only have odd‐order nonlinearities, unless resorting
Yun Zhao   +6 more
doaj   +1 more source

Complex pattern transmission through multimode fiber under diverse light sources

open access: yesAPL Photonics, 2022
Multimode fibers with high information capacity and ultra-thin diameter offer new possibilities for non-invasive endoscopy and remote high-speed secure communication. However, due to their sensitivity, special demands are thus raised on the light sources,
Lele Wang   +7 more
doaj   +1 more source

A wearable motion capture device able to detect dynamic motion of human limbs

open access: yesNature Communications, 2020
Current wearable motion capture technologies are unable to accurately detect dynamic motion of human limbs due to drift and instability problems. Here, the authors report a wearable motion capture device combining tri-axis velocity sensor and inertial ...
Shiqiang Liu   +3 more
doaj   +1 more source

Beam Scanning and Capture of Micro Laser Communication Terminal Based on MEMS Micromirrors

open access: yesMicromachines, 2023
With the development of space laser communication and the planned deployment of satellite Internet constellations, there is a growing demand for microminiature laser communication terminals.
Xuan Wang   +9 more
doaj   +1 more source

A fiber array architecture for atom quantum computing

open access: yesNature Communications
Arrays of single atoms trapped in optical tweezers are increasingly recognized as a promising platform for scalable quantum computing. In both the fault-tolerant and NISQ eras, the ability to individually control qubits is essential for the efficient ...
Xiao Li   +10 more
doaj   +1 more source

High-precision gas refractometer by comb-mode-resolved spectral interferometry

open access: yesScientific Reports, 2018
High-accuracy knowledge of gas refractivity is typically crucial for optical interferometry, precise optical systems, and calculable pressure standard development.
Lijun Yang, Yan Li, Haoyun Wei
doaj   +1 more source

Large-scale lipid analysis with C=C location and sn-position isomer resolving power

open access: yesNature Communications, 2020
Coupling photochemical derivatization with tandem mass spectrometry enables C=C-isomer resolved lipidomics. Here, the authors further develop this approach into a shotgun lipidomics workflow that allows simultaneous characterization of lipid C=C ...
Wenbo Cao   +9 more
doaj   +1 more source

Are Fertility Preservation Procedures Before Gonadotoxic Therapy and Hematopoietic Stem Cell Transplantation Feasible and Safe in Very Young Children? A Retrospective Cohort Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Fertility preservation (FP) is increasingly integrated into the care of pediatric patients exposed to gonadotoxic therapy or conditioning for hematopoietic stem cell transplantation (HSCT), yet perioperative data in infants and toddlers remain scarce.
Kerstin Saalabian   +13 more
wiley   +1 more source

Phase-multiplied interferometry via cavity dynamics for resolution-enhanced coherent ranging

open access: yesLight: Science & Applications
Coherent light detection and ranging (LiDAR) has become an indispensable tool in autonomous systems, offering exceptional precision and ambient-light immunity.
Yifan Wang   +12 more
doaj   +1 more source

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