Results 21 to 30 of about 53,610 (191)

(INVITED)Classification of optically trapped particles: A comparison between optical fiber tweezers and conventional setups

Results in Optics, 2021
The classification of the type of trapped particles is a crucial task for an efficient integration of optical-tweezers in intelligent microfluidic devices.
Pedro A.S. Jorge, Inês A. Carvalho, Filipe M. Marques, Vanessa Pinto, Paulo H. Santos, Sandra M. Rodrigues, Simão P. Faria, Joana S. Paiva, Nuno A. Silva   +8 more
doaj   +1 more source

Optical Fiber Tweezers: A Versatile Tool for Optical Trapping and Manipulation

Micromachines, 2020
Optical trapping is widely used in different areas, ranging from biomedical applications, to physics and material sciences. In recent years, optical fiber tweezers have attracted significant attention in the field of optical trapping due to their ...
Xiaoting Zhao, Nan Zhao, Yang Shi, Hongbao Xin, Baojun Li   +4 more
doaj   +1 more source

Utilization of Optical Tweezer Nanotechnology in Membrane Interaction Studies

Applied Nano, 2022
Optical tweezers have been a fixture of microscopic cell manipulation since the 1990s. Arthur Ashkin’s seminal work has led to the advancement of optical tweezers as an effective tool for assay development in the fields of physics and nanotechnology.
Arnith Eechampati, Chamaree de Silva
doaj   +1 more source

Opto-thermoelectric speckle tweezers

Nanophotonics, 2020
Opto-thermoelectric tweezers present a new paradigm for optical trapping and manipulation of particles using low-power and simple optics. New real-life applications of opto-thermoelectric tweezers in areas such as biophysics, microfluidics, and ...
Kotnala Abhay, Kollipara Pavana Siddhartha, Zheng Yuebing   +2 more
doaj   +1 more source

A Step-by-step Guide to the Realisation of Advanced Optical Tweezers [PDF]

, 2015
Since the pioneering work of Arthur Ashkin, optical tweezers have become an indispensable tool for contactless manipulation of micro- and nanoparticles.
Gigain, Sylvain, Jones, Philip H., Marago, Onofrio M., Pesce, Giuseppe, Sasso, Antonio, Volpe, Giorgio, Volpe, Giovanni   +6 more
core   +3 more sources

Optical Tweezers Approaches for Probing Multiscale Protein Mechanics and Assembly

Frontiers in Molecular Biosciences, 2020
Multi-step assembly of individual protein building blocks is key to the formation of essential higher-order structures inside and outside of cells. Optical tweezers is a technique well suited to investigate the mechanics and dynamics of these structures ...
Kathrin Lehmann, Kathrin Lehmann, Marjan Shayegan, Gerhard A. Blab, Nancy R. Forde, Nancy R. Forde, Nancy R. Forde, Nancy R. Forde   +7 more
doaj   +1 more source

Generation of Hybrid Optical Trap Array by Holographic Optical Tweezers

Frontiers in Physics, 2021
Enabled by multiple optical traps, holographic optical tweezers can manipulate multiple particles in parallel flexibly. Spatial light modulators are widely used in holographic optical tweezers, in which Gaussian point (GP) trap arrays or special mode ...
Xing Li, Xing Li, Yuan Zhou, Yuan Zhou, Yanan Cai, Yanan Cai, Yanan Zhang, Yanan Zhang, Shaohui Yan, Manman Li, Runze Li, Baoli Yao, Baoli Yao   +12 more
doaj   +1 more source

Simulation of superresolution holography for optical tweezers [PDF]

, 2008
Optical tweezers manipulate microscopic particles using foci of light beams. Their performance is therefore limited by diffraction. Using computer simulations of a model system, we investigate the application of superresolution holography for two ...
, Ashkin A, Berry M, Berry M V, Blanca C M, Born M, Eric Yao, Gerchberg R W, Gerchberg R W, Graeme Whyte, Johannes Courtial, Kempf A Ferreira P J S G, Laura C Thomson, Seldowitz M A, Soifer V, Yannick Boissel   +15 more
core   +2 more sources

Theoretical Analysis and Experimental Verification of the Influence of Polarization on Counter-Propagating Optical Tweezers

Micromachines, 2023
Counter-propagating optical tweezers are experimental platforms for the frontier exploration of science and precision measurement. The polarization of the trapping beams significantly affects the trapping status. Using the T-matrix method, we numerically
Ming Chen, Wenqiang Li, Jianyu Yang, Mengzhu Hu, Shidong Xu, Xunmin Zhu, Nan Li, Huizhu Hu   +7 more
doaj   +1 more source

Influence of Laser Intensity Fluctuation on Single-Cesium Atom Trapping Lifetime in a 1064-nm Microscopic Optical Tweezer

Applied Sciences, 2020
An optical tweezer composed of a strongly focused single-spatial-mode Gaussian beam of a red-detuned 1064-nm laser can confine a single-cesium (Cs) atom at the strongest point of the light intensity.
Rui Sun, Xin Wang, Kong Zhang, Jun He, Junmin Wang   +4 more
doaj   +1 more source