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The quantitative interatomic force measurements open a new pathway to materials characterization, surface science, and chemistry by elucidating the force between 'two' interacting atoms as a function of their separation. Atomic force…

Applied Physics · Physics 2024-06-19 Omur E Dagdeviren

Atomic Force Microscopy (AFM) allows to probe matter at atomic scale by measuring the perturbation of a nanomechanical oscillator induced by near-field interaction forces. The quest to improve sensitivity and resolution of AFM has forced…

Mesoscale and Nanoscale Physics · Physics 2017-05-25 Alessandro Siria , Antoine Niguès

We present a simple technique to produce active Q-switching in various types of fiber amplifiers by active integration of an electrostatic actuated deformable metallic micro-mirror. The optical MEMS (MOEMS) device acts as one of the laser…

Other Computer Science · Computer Science 2007-11-29 D. Bouyge , D. Sabourdy , A. Crunteanu , P. Blondy , V. Couderc , J. Lhermite , L. Grossard , A. Barthélemy

Sub-nm resolution images can be achieved by Atomic Force Microscopy (AFM) on samples that are deposited on hard substrates. However, it is still extremely challenging to image soft interfaces, such as biological membranes, due to the…

Torsional harmonic cantilevers allow measurement of time varying tip-sample forces in tapping-mode atomic force microscopy. Accuracy of these force measurements is important for quantitative nanomechanical measurements. Here we demonstrate…

Instrumentation and Detectors · Physics 2008-11-26 Ozgur Sahin

Atomic force microscopy (AFM) is a mechanical profiling technique that allows to image surfaces with atomic resolution. Recent progress in reducing the noise of this technique has led to a resolution level where previously undetectable…

Materials Science · Physics 2015-06-24 F. J. Giessibl , H. Bielefeldt , S. Hembacher , J. Mannhart

Automation of alignment tasks can provide improved efficiency and greatly increase the flexibility of an optical system. Current optical systems with automated alignment capabilities are typically designed to include a dedicated wavefront…

Instrumentation and Methods for Astrophysics · Physics 2016-08-31 Joyce Fang , Dmitry Savransky

Quantum sensors based on atom interferometers are advancing both fundamental physics and practical applications, with higher sensitivity being a key requirement for these investigations. Here, we experimentally demonstrate a sensitivity…

Atomic Physics · Physics 2025-07-01 Sotatsu Otabe , Naoki Kaku , Tomoya Sato , Martin Miranda , Takuya Kawasaki , Mikio Kozuma

Multichannel, infinite-conjugate optical systems easily allow implementation of multiple image paths and imaging modes into a single microscope. Traditional optical alignment methods which rely on additional hardware are not always simple…

Optics · Physics 2024-07-16 Gemma S. Cairns , Brian R. Patton

: It goes without saying that at present MEMS Technology became one of the latest and emerging methods because of its miniaturization and effective cost. Now near the beginning recognition of disease became a major challenge in front of…

Materials Science · Physics 2021-11-04 Tejas S. Fanse

Scanning probe microscopy (SPM) is a valuable technique by which one can investigate the physical characteristics of the surfaces of materials. However, its widespread use is hampered by the time-consuming nature of running an experiment…

Instrumentation and Detectors · Physics 2025-09-03 Nicholas J. Sullivan , Julio J. Valdés , Kirk H. Bevan , Peter Grutter

This paper introduces a novel approach to the fine alignment of images in a burst captured by a handheld camera. In contrast to traditional techniques that estimate two-dimensional transformations between frame pairs or rely on discrete…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Bruno Lecouat , Yann Dubois de Mont-Marin , Théo Bodrito , Julien Mairal , Jean Ponce

The synchrotron light source, a cutting-edge large-scale user facility, requires autonomous synchrotron beamline operations, a crucial technique that should enable experiments to be conducted automatically, reliably, and safely with minimum…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Baolu Li , Hongkai Yu , Huiming Sun , Jin Ma , Yuewei Lin , Lu Ma , Yonghua Du

Manipulation of antiferromagnetic (AFM) spins by electrical means is on great demand to develop the AFM spintronics with low power consumption. In spite of the electrical modulation of insulated AFMs through coupling between their intrinsic…

Materials Science · Physics 2015-04-07 Yuyan Wang , Xiang Zhou , Cheng Song , Yinuo Yan , Shiming Zhou , Guangyue Wang , Chao Chen , Fei Zeng , Feng Pan

The force between two interacting particles as a function of distance is one of the most fundamental curves in science. In this regard, Atomic Force Microscopy (AFM) represents the most powerful tool in nanoscience but with severe limits…

Mesoscale and Nanoscale Physics · Physics 2015-11-24 Mario S. Rodrigues , Luca Costa , Joel Chevrier , Fabio Comin

We report an in-vivo electromechanical Atomic Force Microscopy (AFM) study of charge distribution on the cell wall of Gram plus Rhodococcus wratislaviensis bacteria, naturally adherent to a glass substrate, in physiological conditions. The…

Soft Condensed Matter · Physics 2015-06-11 Christian Marliere , Samia Dhahri

We demonstrate the application of Atomic Force Microscopy (AFM) based optical force microscopy to map the optical near-fields with nanometer resolution, limited only by the AFM probe geometry. We map the electric field distributions of…

This paper proposes a two-level distributed algorithmic framework for solving the AC optimal power flow (OPF) problem with convergence guarantees. The presence of highly nonconvex constraints in OPF poses significant challenges to…

Optimization and Control · Mathematics 2021-06-14 Kaizhao Sun , Xu Andy Sun

Reinforcement learning is finding its way to real-world problem application, transferring from simulated environments to physical setups. In this work, we implement vision-based alignment of an optical Mach-Zehnder interferometer with a…

Robotics · Computer Science 2021-11-17 Stepan Makarenko , Dmitry Sorokin , Alexander Ulanov , A. I. Lvovsky

A linear-scaling algorithm is presented for computing the Hartree-Fock (HF) exchange matrix using concentric atomic density fitting. The algorithm utilizes the stronger distance dependence of the three-center electron repulsion integrals…

Chemical Physics · Physics 2014-10-21 David S. Hollman , Henry F. Schaefer , Edward F. Valeev