optical tweezers
Displacement detection decoupling in counter-propagating dual-beams optical tweezers with large-sized particle
... Optical tweezers (OT), as an intriguing tool in various areas such as cell biology, weak mechanics sensing and quantum physics, enjoys increasingly attractive prospects ...the optical interference ...
11
Stiffer optical tweezers through real-time feedback control
... of optical tweezers using a position-clamp algorithm provides, at constant laser power, an effective lateral trap stiffness several times the value achieved without ...reduces optical damage to ...
14
Trapping of gold nanoparticle and polystyrene beads by dynamic optical tweezers
... nanoscopic optical trapping techniques to probe any biological system of ...an optical tweezers system employing dark soliton controlled by Gaussian pulse within a particular configuration of ...
6
Rapid rotation of micron and submicron dielectric particles measured using optical tweezers
... infrared, typical trapping forces on polystyrene particles about 1 mm in diameter in aqueous solution are in the range of several piconewtons and trap stiffness is up to approximately 0.1 pN nm 1 . These values are ideal ...
16
Precision assembly of complex cellular microenvironments using holographic optical tweezers
... mES cells were positioned according to predetermined architectural arrangements using the holographic optical tweezers system either in mono-cultures or in con- junction with mMSCs and mPCs. Stabilization ...
7
Probing DNA-Induced Colloidal Interactions and Dynamics with Scanning-Line Optical Tweezers
... DNA hybridization can be used to induce specific attractions between small particles, providing a highly versatile approach to creating novel particle-based materials having a variety of periodic structures. In this ...
153
The Determination of Laser Spot Size of an Optical Tweezers by Stuck Bead Method
... an optical tweezers, of interest is the laser spot size at the focal plane of an ...in optical tweezers applications ...an optical tweezers ...in optical tweezers ...
5
Dynamic measurements and simulations of airborne picolitre droplet coalescence in holographic optical tweezers
... graphic optical tweezers, probing the shape relaxation dynamics following coalescence by simulta- neously monitoring the intensity of elastic backscattered light (EBL) from the trapping laser beam (time ...
13
Translation and manipulation of silicon nanomembranes using holographic optical tweezers
... holographic optical tweezers or a steering mirror placed at a conju- gate plane with respect to the objective ...Holographic optical tweezers offer exceptional con- trol over individual trap ...
7
A lab-on-a-chip for hypoxic patch clamp measurements combined with optical tweezers and spectroscopy- first investigations of single biological cells
... by optical tweezers [39], an excellent tool to trap and manipulate biological ...cal tweezers use light radiation forces to trap and steer small dielectric objects in three dimensions ...stable ...
14
Manipulation and Trapping of Particles in the Ray Optics Regime Using DPS DNG Layered Structures: Toward Calibration and Precision of Optical Tweezers
... Optical tweezers have transformed the ordinary light microscopes from a device for passive observation to a versatile tool for active manipulation and controlled measurement of ...objects. Optical ...
7
Optical spanners and improved optical tweezers
... The tweezers technology has also been combined w ith other laser techniques, in particular, with a pulsed ultra-violet laser to create an "'optical ...using optical tweezers to bring ...
182
Biaxial crystal-based optical tweezers
... Investigation of the behaviour of electromagnetic fields in the vicinity of singular points (referred to also as amplitude zeroes, vortices or wave-front dislocations) is of great interest [15, 16]. It is, in part, ...
8
Developing a new biophysical tool to combine magneto-optical tweezers with super-resolution fluorescence microscopy
... Besides avoiding the pitfalls of using either device on its own, the combination also has the advantage of high temporal resolution afforded by the quadrant photodiode QPD back focal pla[r] ...
22
Heat in optical tweezers
... the optical trap, two different experimental setups that allow for simultaneous microparticle trapping and excitation of the luminescent probes were ...an optical trap and measure the laser-induced ...the ...
10
Single Cell Isolation Using Optical Tweezers
... 1064-nm wavelength optical trapping of Escherichia coli cells using on-chip single cell cultivation system. Quantum Dot-Based Thermal Spectroscopy and Imaging of Optically Trapped 628[r] ...
20
Holographic Raman Tweezers Controlled by Hand Gestures and Voice Commands
... Optical tweezers represent a tool that uses a tightly fo- cused laser beam for contactless three-dimensional ma- nipulation with electrically neutral objects of sizes from tens of nanometers to tens of ...
6
Optical trapping: optical interferometric metrology and nanophotonics
... Figure 2.6: Dual beam optical tweezers setup with automated beam steering controls. A single infrared fiber laser is put through two polarising beam splitters (PBS1 and PBS2). PSB1 ensures a linearly ...
231
Transverse magnetic tweezers allowing coincident epi-fluorescence microscopy on horizontally extended DNA
... magnetic tweezers systems adopt the longitudinal configuration there are a few systems designed for use in a horizontal or ÒtransverseÓ configuration, ...and optical tweezers manipulation of DNA, ...
17
Advanced techniques in Raman tweezers microspectroscopy for applications in biomedicine
... Raman tweezers microspectroscopy is the combination of traditional Raman spectroscopy, optical tweezers and optical microscopy to enable practical, precise and highly informative interrogation ...
344