Results 41 to 50 of about 541 (160)

Asymmetrically Nonlinear Generation of Optical Orbital Angular Momentum via Cooperation of Bragg Diffraction and Birefringent Phase Matching

open access: yesLaser &Photonics Reviews, Volume 20, Issue 2, 22 January 2026.
Nonlinear orbital angular momentum (OAM) manipulation is crucial for fundamental physics and information technologies. An integrated lithium niobate platform combining Bragg diffraction and birefringent phase matching asymmetrically generates and controls second‐harmonic OAM beams, achieving a normalized conversion efficiency of 10−2 W−1 and supports a
Xinyu Liu   +7 more
wiley   +1 more source

Large range nanopositioning stage design: A three-layer and two-stage platform

open access: yesMeasurement, 2016
In this article, a novel two-dimensional nanopositioning platform (NanoPla) design is described. Its requirements are not only sub-micrometer accuracy for nanotechnology applications, but also long working range (XY-motion 50 mm × 50 mm). These features increase the common range operation of devices for nanotechnology issues (e.g.
M. Torralba   +4 more
openaire   +3 more sources

Single‐Source Cyanurate Precursor for Making Manganese Carbodiimide and the Second Harmonic Generation Effect of the Intermediate Manganese Monohydrocyanurate Mn(HC3N3O3)

open access: yesEuropean Journal of Inorganic Chemistry, Volume 28, Issue 36, December 15, 2025.
The thermal conversion of the single‐source precursor Mn(H2C3N3O3)2(H2O)4 reveals a sequence of new compounds. One intermediate compound is the second‐harmonic‐generation‐active Mn(HC3N3O3) (MHCY) that appears before pure Mn(CN2) is formed. Two manganese cyanurate compounds, Mn(H2C3N3O3)2(H2O)4 and Mn(H2C3N3O3)2(H2O)7 were prepared and structurally ...
Philipp Schneiderhan   +2 more
wiley   +1 more source

Geometrical Characterisation of a 2D Laser System and Calibration of a Cross-Grid Encoder by Means of a Self-Calibration Methodology

open access: yesSensors, 2017
This article presents a self-calibration procedure and the experimental results for the geometrical characterisation of a 2D laser system operating along a large working range (50 mm × 50 mm) with submicrometre uncertainty.
Marta Torralba   +4 more
doaj   +1 more source

Millikelvin Intracellular Nanothermometry with Nanodiamonds

open access: yesAdvanced Science, Volume 12, Issue 45, December 4, 2025.
Nanothermometry in living cells is crucial for understanding heat diffusion and advancing cellular biology and drug discovery. Previous studies have reported controversial intracellular temperature variations. Using nanodiamond nanothermometry in macrophages, it is found that, in such experimental setting, apparent temperature changes are actually due ...
Maabur Sow   +26 more
wiley   +1 more source

Short-Range Six-Axis Interferometer Controlled Positioning for Scanning Probe Microscopy

open access: yesSensors, 2014
We present a design of a nanometrology measuring setup which is a part of the national standard instrumentation for nanometrology operated by the Czech Metrology Institute (CMI) in Brno, Czech Republic.
Josef Lazar   +8 more
doaj   +1 more source

Design, analysis and control of a fast nanopositioning stage

open access: yes2008 IEEE/ASME International Conference on Advanced Intelligent Mechatronics, 2008
We present a fast flexure-based, piezoelectric stack-actuated XY nanopositioning stage which is suitable for high-speed, accurate nanoscale positioning applications. The performance of the design are analyzed using finite-element-analysis software. Experiments demonstrate that the design has a high first resonant mode at 2.7 kHz, a low cross-coupling ...
Yuen Kuan Yong   +2 more
openaire   +2 more sources

NPS6D200—A Long Range Nanopositioning Stage with 6D Closed Loop Control

open access: yesApplied Sciences
This work presents the new development of a nanopositioning machine for a large operating range. The machine, called NPS6D200, provides Ø200 mm planar and 25 mm vertical travel range and applies a 6D closed loop control with all drive forces applied ...
Steffen Hesse   +4 more
doaj   +1 more source

Standalone Integrated Magnonic Devices

open access: yesAdvanced Materials, Volume 37, Issue 40, October 9, 2025.
A standalone (not requiring external bias magnetic field) and tunable magnonic device is reported with all‐electric input and output, fully integrated on silicon (total footprint of 100 × 150 µm) and 3–8 GHz frequency band. This is achieved by monolithic integration of a CoFeB conduit with RF antennas and an assembly of NiFe and SmCo micromagnets ...
M. Cocconcelli   +15 more
wiley   +1 more source

Trajectory Definition with High Relative Accuracy (HRA) by Parametric Representation of Curves in Nano-Positioning Systems

open access: yesMicromachines, 2019
Nanotechnology applications demand high accuracy positioning systems. Therefore, in order to achieve sub-micrometer accuracy, positioning uncertainty contributions must be minimized by implementing precision positioning control strategies.
Lucía Díaz Pérez   +5 more
doaj   +1 more source

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