Results 71 to 80 of about 779 (186)

Multimodal Purcell enhancement and optical coherence of Eu3+ ions in a single nanoparticle coupled to a microcavity

Nanophotonics, Volume 14, Issue 11, Page 1817-1826, June 2025.
Abstract Europium‐doped nanocrystals constitute a promising material for a scalable future quantum computing platform. Long‐lived nuclear spin states could serve as qubits addressed via coherent optical transitions. In order to realize an efficient spin‐photon interface, we couple the emission from a single nanoparticle to a fiber‐based microcavity ...
Timon Eichhorn, Nicholas Jobbitt, Sören Bieling, Shuping Liu, Tobias Krom, Diana Serrano, Robert Huber, Ulrich Lemmer, Hugues de Riedmatten, Philippe Goldner, David Hunger   +10 more
wiley   +1 more source

Calibration of Single-axis Nanopositioning cell subjected to thermal disturbance.

, 2013
International audienceIn micromanipulation, especially microassembly, accuracy is a criterion useful for characterizing the performance of microrobots.
Nicolas Chaillet, Tan, Ning, Chaillet, Nicolas, Clévy, Cédric, Cedric Clevy, Ning Tan   +5 more
core   +2 more sources

Smart Polymeric 3D Microscaffolds Hosting Spheroids for Neuronal Research via Quantum Metrology

Advanced Healthcare Materials, Volume 14, Issue 7, March 14, 2025.
Development of a platform consisting of 3D microscaffolds supporting 3D embryoid bodies for neuronal research. The polymeric scaffolds enable directed growth of neurites. This study shows nanodiamond‐based quantum sensors graft onto the polymer material, enabling quantum metrology experiments within the 3D neuronal model and thereby providing a ...
Beatriz N. L. Costa, Ana Marote, Catarina Barbosa, Jonas Campos, António J. Salgado, Jana B. Nieder   +5 more
wiley   +1 more source

Finite-time learning control using frequency response data with application to a nanopositioning stage [PDF]

, 2019
\u3cp\u3eLearning control enables significant performance improvement for systems that perform repeating tasks. Achieving high tracking performance by utilizing past error data typically requires noncausal learning that is based on a parametric model of ...
Robin de Rozario, Oomen, Tom, Fleming, Andrew, Oomen, TAE Tom, de Rozario, Robin; id_orcid, Andrew Fleming, de Rozario, Robin, Rozario, R Robin de, Tom Oomen   +8 more
core   +1 more source

Transient Absorption Microscopy Maps Spatial Heterogeneity and Distinct Chemical Environments in Photocatalytic Carbon Nitride Particles

Small, Volume 21, Issue 5, February 5, 2025.
The complex charge carrier dynamics of promising carbon nitride photocatalysts make optimization challenging. Here spatial heterogeneity is discovered using transient absorption microscopy on carbon nitride particles from the same synthetic batch. This indicates that there are at least two distinct defect types that control the charge carrier dynamics,
Sutripto Khasnabis, Robert Godin
wiley   +1 more source

A piezo-actuated nanopositioning stage based on spatial parasitic motion principle

This paper presents the configuration, design, and characteristic analysis of a novel two-degree-of-freedom stick-slip nanopositioning stage based on the spatial parasitic motion principle.
Zhang, Dawei, Shi, Beichao, Wang, Fujun, Tian, Yanling, Zhao, Xiaolu   +4 more
core   +1 more source

Preliminary Modelling and Implementation of the 2D-control for a Nanopositioning Long Range Stage [PDF]

, 2015
Different systems are recently developed to obtain effective positioning at nanometer scale with increased working ranges. For this purpose, a two-dimensional nanopositioning platform (NanoPla) has been design and manufactured.
Torralba Gracia, Marta, Yagüe Fabra, José Antonio, Aguilar Martín, Juan José, Albajez García, José Antonio   +3 more
core   +2 more sources

Nonlinear Control Design for a Piezoelectric-Driven Nanopositioning Stage [PDF]

, 2005
Abstract : A model-based nonlinear optimal control design is developed and applied to a piezoelectric-driven nanopositioning stage to demonstrate high accuracy displacement control when ferroelectric nonlinearities, hysteresis and relaxation behavior are present in the piezoelectric actuator.
Ralph C. Smith, William S. Oates
openaire   +1 more source

Enhanced Tracking for Nanopositioning Systems Using Feedforward/Feedback Multivariable Control Design [PDF]

, 2015
This paper proposes a systematic synthesis method- ology for a combined feedforward/feedback architecture to control multiple-input, multiple-output nanopositioning systems. Coprime factorization of the open loop model is used to design the reference and
Lanzon, Alexander, Heath, William P, Lanzon, A, Kara-Mohamed, M, Heath, William, Heath, WP, Lanzon, Alexander; id_orcid, Kara-Mohamed, Mohamed   +7 more
core   +1 more source

Damping and Tracking Control Schemes for Nanopositioning [PDF]

, 2013
Fast and accurate tracking of reference trajectories is highly desirable in many nanopositioning applications, including scanning probe microscopy. Performance in common positioning stage designs is limited by the presence of lightly damped resonances ...
Eielsen, Arnfinn Aas, Vagia, Marialena, Pettersen, Kristin Ytterstad, Gravdahl, Jan Tommy   +3 more
core   +1 more source