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Data for Pure nanodiamonds for levitated optomechanics in vacuum

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Frangeskou, Angelo, Rahman, Anishur, Gines, Laia, Mandal, Souman, Williams, Oliver, Barker, Peter and Morley, Gavin (2018) Data for Pure nanodiamonds for levitated optomechanics in vacuum. [Dataset] (Unpublished)

[img] Archive (ZIP) (Folders of data)
Data for WRAP.zip - Unspecified Version
Available under License Creative Commons Attribution 4.0.

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[img] Plain Text (Description of folders and files)
readme.txt - Unspecified Version
Available under License Creative Commons Attribution 4.0.

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Official URL: https://wrap.warwick.ac.uk/100295/

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Abstract

Optical trapping at high vacuum of a nanodiamond containing a nitrogen vacancy centre would provide a test bed for several new phenomena in fundamental physics. However, the nanodiamonds used so far have absorbed too much of the trapping light, heating them to destruction (above 800 K) except at pressures above approximately 10 mbar where air molecules dissipate the excess heat. Here we show that milling diamond of 1000 times greater purity creates nanodiamonds that do not heat up even when the optical intensity is raised above 700 GW/m</sup>2 below 5 mbar of pressure.

Item Type: Dataset
Subjects: Q Science > QC Physics
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
Type of Data: Experimental
Library of Congress Subject Headings (LCSH): Nanodiamonds, Optomechanics, Optical instruments, Biophysics, Nanoscience, Optical tweezers
Publisher: University of Warwick, Department of Physics
Official Date: 27 March 2018
Dates:
DateEvent
27 March 2018Accepted
Status: Not Peer Reviewed
Publication Status: Unpublished
Copyright Holders: University of Warwick
Description:

Experimental data organised into folders according to measurements made, including EPR, Dipole Trap, Raman and SEM, together with a readme file.

Folder: EPR

An excel parameter sheet can be found in this folder which contains a description of each file including experimental parameters, sample number, etc.

Folder: Dipole trap

File names give the pressure at which the data was taken, and the optical trapping laser power that was used in terms of waveplate angle i.e. IR_0 is maximum power and IR_28 is minimum. Files appended with _R denote repeated measurements (e.g. due to oscilloscope going out of range during measurement).

Folders named 01, 02, 03 etc. contain images of the trapped nanodiamond from which the scattering intensity is found.

The folder number indicates the first, second, third etc. evacuation run.

Data presented in FIG 3 of the manuscript is ND5.

Folder: Raman
Self explanatory

Folder: SEM
Self explanatory

Related URLs:
  • Related item in WRAP
Contributors:
ContributionNameContributor ID
DepositorFrangeskou, Angelo84098

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