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Pure nanodiamonds for levitated optomechanics in vacuum
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Frangeskou, Angelo, Rahman, Anishur A. T. M., Gines, Laia, Mandal, Soumen, Williams, Oliver A., Barker, Peter F. and Morley, Gavin (2018) Pure nanodiamonds for levitated optomechanics in vacuum. New Journal of Physics, 20 . 043016. doi:10.1088/1367-2630/aab700
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Official URL: http://dx.doi.org/10.1088/1367-2630/aab700
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: | Journal Article | ||||||||||||
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| Subjects: | Q Science > QC Physics | ||||||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||||
| Library of Congress Subject Headings (LCSH): | Nanodiamonds, Optomechanics, Optical instruments, Biophysics, Nanoscience, Optical tweezers | ||||||||||||
| Journal or Publication Title: | New Journal of Physics | ||||||||||||
| Publisher: | IOP Publishing | ||||||||||||
| ISSN: | 1367-2630 | ||||||||||||
| Official Date: | 12 April 2018 | ||||||||||||
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| Volume: | 20 | ||||||||||||
| Article Number: | 043016 | ||||||||||||
| DOI: | 10.1088/1367-2630/aab700 | ||||||||||||
| Status: | Peer Reviewed | ||||||||||||
| Publication Status: | Published | ||||||||||||
| Access rights to Published version: | Open Access | ||||||||||||
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