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3 edition of Interferometer control of optimal tweezers found in the catalog.

Interferometer control of optimal tweezers

Arthur J. Decker

Interferometer control of optimal tweezers

by Arthur J. Decker

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  • 39 Currently reading

Published by National Aeronautics and Space Administration, Glenn Research Center, Available from NASA Center for AeroSpace Information in Cleveland, Ohio, Hanover MD .
Written in English


Edition Notes

StatementArthur J. Decker.
SeriesNASA/TM -- 2002-211586., NASA technical memorandum -- 211586.
ContributionsNASA Glenn Research Center.
The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL17618863M
OCLC/WorldCa53084908

Optical tweezers have been a valuable tool in the study of secondary and tertiary structures formed by nucleic acids. 53 By optically trapping one end of a nucleic acid structure and attaching the other to some manipulator (micropipette, glass cover slip, etc.), one can stretch the captured molecule and monitor its response to the applied force. Optical tweezers (originally called single-beam gradient force trap) are scientific instruments that use a highly focused laser beam to provide an attractive or repulsive force (typically on the order of pico newtons), depending on the relative refractive index between particle and surrounding medium; these forces can be used to physically hold and move microscopic objects, in a .

  In this paper, we propose optical tweezers based on a biaxial crystal. To control the movement of opaque particles, we use the shift polarization interferometer. The results of experimental study of laser tweezers are shown. We demonstrates movement of a microparticle of toner using singular-optical trap, rotate a particle due to orbital momentum, conversion of . sample. Some helpful reviews of optical tweezers have been published recently.6,17,18 In this paper, we present a theoretical treatment of optical tweezers at a level suitable for undergraduate students. In Sec. II we discuss the phenomenon qualitatively and show how a single laser beam can trap a dielectric Size: KB.

the heart of quantum science. Here we demonstrate near-complete control over all the internal and external degrees of freedom of two laser-cooled 87Rb atoms trapped in two optical tweezers. This full controllability allows us to implement a massive-particle analog of a Hong-Ou-Mandel interferometer where. SPIE Digital Library Proceedings. 3 September Force and membrane compliance measurements using laser interferometry and optical trappingAuthor: Luke P. Ghislain, Watt W. Webb.


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Interferometer control of optimal tweezers by Arthur J. Decker Download PDF EPUB FB2

Optical tweezers. The approach being developed is to use a spatial light modulator (SLM) to control the phase profile of the tweezers beam and to use a combination of the SLM and interferometry to control the intensity profile.

The objective is to perform fine and calculable control of the moments and forces on a tip or tool to be used to manipulate and interrogate.

Electronic books Electronic government information: Additional Physical Format: Microfiche version: Decker, Arthur J. (Arthur John), Interferometer control of optical tweezers (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type: Internet Resource, Computer File.

The approach being developed is to use a spatial light modulator (SLM) to control the phase profile of the tweezers beam and to use a combination of the SLM and interferometry to control. Interferometer control of optical tweezers (OCoLC) Material Type: Government publication, National government publication, Internet resource: Document Type: Book, Internet Resource: All Authors / Contributors: Arthur J Decker; NASA Glenn Research Center.

Abstract This paper discusses progress in using spatial light modulators and interferometry to control the beam profile of an optical tweezers.

The approach being developed is to use a spatial light modulator (SLM) to control the phase profile of the tweezers beam and to use a combination of the SLM and interferometry to control the intensity profile.

The aim of this volume is to provide a comprehensive overview of optical tweezers setups, both in practical and theoretical terms, to help biophysicists, biochemists, and cell biologists to build and calibrate their own instruments and to perform force measurements on mechanoenzymes both in isolation in vitro and in living rs have been divided in three parts focusing 5/5(1).

This paper discusses progress in using spatial light modulators and interferometry to control the beam profile of an optical tweezers. The approach being developed is to use a spatial light modulator (SLM) to control the phase profile of the tweezers beam and to use a combination of the SLM and interferometry to control the intensity by: 6.

The output of a Mach-Zehnder interferometer is used to form laser tweezers that can move particles by interference phase control.

Long description: Laser light is directed though an interferometer to generate an interference pattern that functions as a conventional laser tweezers. Interferometer control of optical tweezers The approach being developed is to use a spatial light modulator (SLM) to control the phase profile of the tweezers beam and to use a combination of the SLM and interferometry to control the intensity profile.

We calculate Q z (z = 0) as a function of the sphere radius r for f = [ Fig. 4(b)] and f = [ Fig. 4(c)]. Our results obtained within the wave-optical Mie-Debye theory can be interpreted. In optics, a Fabry–Pérot interferometer (FPI) or etalon is an optical cavity made from two parallel reflecting surfaces (i.e.: thin mirrors).

Optical waves can pass through the optical cavity only when they are in resonance with it. It is named after Charles Fabry and Alfred Perot, who developed the instrument in Etalon is from the French étalon, meaning "measuring. We deposited silica beads carrying single molecules of the motor protein kinesin on microtubules using optical tweezers and analysed their motion under controlled loads by interferometry.

We find Cited by: This paper discusses progress in using spatial light modulators and interferometry to control the beam profile of an optical tweezers. The approach being developed is to use a spatial light modulator (SLM) to control the phase profile of the tweezers beam and to use a combination of the SLM and interferometry to control the intensity : Arthur J.

Decker. VALIDATION OF AN OPTICAL TWEEZERS/INTERFEROMETER SYSTEM FOR MECHANICAL TESTS OF SINGLE COLLAGEN MOLECULES *Luo, Z.P., +An, K.N.

Biomechanics Laboratory, Division of Orthopedic Research, Mayo Clinic/Mayo Foundation, Rochester, MN U.S.A. +Phone ; +Fax ; +E-mail [email protected] We derive an exact partial-wave (Mie) expansion of the axial force exerted on a transparent sphere by a laser beam focused through a high numerical aperture objective.

The results hold throughout the range of interest for practical applications, as well as in the Rayleigh and geometrical optics limits. They allow, in principle, an absolute calibration of optical tweezers. Thirty years after their invention by Arthur Ashkin and colleagues at Bell Labs in [1], optical tweezers (or traps) have become a versatile tool to address numerous biological problems.

Put simply, an optical trap is a highly focused laser beam that is capable of holding and applying forces to micron-sized dielectric by: 3. Characterization of optical radiation sources Interferometer systems Laser beam diagnostics Laser power measurements Light measurement Light sources for scientific applications Life sciences Filters for fluorescence analytics High-throughput cellular imagers Light sources for scientific applications Optical tweezers.

Finally, we will generate mesoscopic optical tweezers for realizing a dynamical double-well potential for Mach-Zehnder interferometry. By moving the tweezers apart we will control the coupling between the two wells, and by setting strong repulsive interactions we will produce optimally spin-squeezed states.

Our new book series " Laser-Hacks für MAKER" features our achievements from three years of myphotonics in form of a few little books.

This makes our experiments easier to reconstruct and to understand with the help of physical info boxes. Michelson interferometer. Optical tweezer. Optical Tweezers Control. Reviews. Optical Tweezers Control Brought to you by: rcy3cornelledu, skoch3.

Add a Review. Downloads: 0 This Week Last Update: Download. Get Updates. Get project updates, sponsored content from our select partners, and more. Country. State.

Full Name Operating System: Windows, Mac, Linux. If optical tweezers were set up in a Sagnac interferometer with a visibility of 95%, the signal-to-noise ratio could be enhanced by a factor of up towhich would consequently enable tracking of times smaller particles than the equivalent standard optical tweezers scheme.Red Tweezers: Labview software for control of SLM-based optical tweezers, including hologram calculation (University of Glasgow, Optics Group).

Blog on optical tweezers: compilation of latest publications regarding optical trapping and micromanipulation.Cambridge Core - Optics, Optoelectronics and Photonics - Optical Tweezers - by Philip H. Jones.

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