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Related papers: Roadmap for Optical Tweezers

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To date, optical manipulation techniques for aqueous dispersions have been developed that deposit and/or transport nanoparticles not only for fundamental studies of colloidal dynamics, but also for either creating photonic devices or…

Soft Condensed Matter · Physics 2014-03-06 Hiroshi Frusawa , Youei Matsumoto

Ultra-intense lasers produce and manipulate plasmas, allowing to locally generate extremely high static and electromagnetic fields. This Letter presents a concept of an ultra-intense optical tweezer, where two counter-propagating circularly…

Accelerator Physics · Physics 2019-04-30 Y. Wan , I. A. Andriyash , C. -H. Pai , J. F. Hua , C. J. Zhang , F. Li , Y. P. Wu , Z. Nie , W. B. Mori , W. Lu , V. Malka , C. Joshi

The assembly of arbitrary 3D structures using nano- to micron-scale colloidal building blocks has broad applications in photonics, electronics, and biology. Combining optical tweezers (OT) with two-photon polymerization (TPP) enables 3D…

Optofluidics is dedicated to achieving integrated control of particle and fluid motion, particularly on the micrometer scale, by utilizing light to direct fluid flow and particle motion. The field has seen significant growth recently,…

We report the realization of the first planar optical tweezer trap system by a sheet of light. To visualize the trapping of the target object (dielectric bead or live cell) in a plane, an orthogonal widefield detection is employed. The…

Optics · Physics 2024-04-17 Neptune Baro , Partha Pratim Mondal

In the field of microdroplet manipulation, optical tweezers have been used to form and grow droplets, to transport them, or to measure forces between droplet pairs. However, the exploration of out-of-equilibrium phenomena in optically…

Force spectroscopy using magnetic tweezers (MT) is a powerful method to probe the physical characteristics of single polymers. Typically, molecules are functionalized for specific attachment to a glass surface at one end and a micron-scale…

Biological Physics · Physics 2021-10-20 Joseph G. Piccolo , Joshua Mendez Harper , Dan Kovari , David Dunlap , Laura Finzi

We present a novel approach to determine the optical properties of materials in the nanoscale range using optical tweezers (OT). Fluorescent polymer-based nanostructures (pdots) are optically trapped in a Gaussian beam OT and the trap…

Tactile sensing is crucial in robotics and wearable devices for safe perception and interaction with the environment. Optical tactile sensors have emerged as promising solutions, as they are immune to electromagnetic interference and have…

We develop an integrated system of holographic optical trapping and multimodal nonlinear microscopy and perform simultaneous three-dimensional optical manipulation and non-invasive structural imaging of composite soft-matter systems. We…

Soft Condensed Matter · Physics 2015-05-20 Rahul P. Trivedi , Taewoo Lee , Kris A. Bertness , Ivan I. Smalyukh

Photons carry linear momentum, and spin angular momentum when circularly or elliptically polarized. During light-matter interaction, transfer of linear momentum leads to optical forces, while angular momentum transfer induces optical…

Optics · Physics 2016-11-16 Li He , Huan Li , Mo Li

The subject of optomechanics involves interactions between optical and mechanical degrees of freedom, and is currently of great interest as an enabler of fundamental investigations in quantum mechanics, as well as a platform for…

Quantum Physics · Physics 2016-08-03 Hao Shi , Mishkat Bhattacharya

We show how it is possible to controllably rotate or align microscopic particles of isotropic nonabsorbing material in a TEM00 Gaussian beam trap, with simultaneous measurement of the applied torque using purely optical means. This is a…

Optical tweezer arrays have emerged as a key experimental platform for quantum computation, quantum simulation, and quantum metrology, enabling unprecedented levels of control over single atoms and molecules. However, existing tweezer…

Optomechanics is concerned with the use of light to control mechanical objects. As a field, it has been hugely successful in the production of precise and novel sensors, the development of low-dissipation nanomechanical devices, and the…

Optics · Physics 2020-01-23 James Millen , Tania S. Monteiro , Robert Pettit , A. Nick Vamivakas

An optical method for precise purification of chemical elements is introduced in this paper. The materials are supposed to be in the states of gaseous beams, which are coherently coupled to an external traveling light during purification.…

Quantum Physics · Physics 2026-01-28 Wenxi Lai

Red blood cells (RBCs) sustain mechanical stresses associated with microcirculatory flow through ATP-driven plasma membrane flickering. This is an active phenomenon driven by motor proteins that regulate interactions between the spectrin…

Using light as a probe to detect a mechanical motion is one of the most successful experimental approaches in physics. The history of mechanical sensing based on the reflection, refraction and scattering of light dates back to the 16th…

Atomic Physics · Physics 2024-06-21 Yang Liu , Pengfei Lu , Xinxin Rao , Hao Wu , Kunxu Wang , Qifeng Lao , Ji Bian , Feng Zhu , Le Luo

Optics is an important subfield of physics required for instrument design and used in a variety of other disciplines, including materials science, physics, and life sciences such as developmental biology and cell biology. It is important to…

Microscopically controlled neutral atoms in optical tweezers and lattices have led to exciting advances in the study of quantum information and quantum many-body systems. The light shifts of atomic levels from the trapping potential in…

Atomic Physics · Physics 2017-02-08 Nicholas R. Hutzler , Lee R. Liu , Yichao Yu , Kang-Kuen Ni
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