- Abstract:
-
We demonstrate the use of a laser trap ('optical tweezers') and back-focal-plane position detector to measure rapid rotation in aqueous solution of single particles with sizes in the vicinity of 1 μm. Two types of rotation were measured: electrorotation of polystyrene microspheres and rotation of the flagellar motor of the bacterium Vibrio alginolyticus. In both cases, speeds in excess of 1000Hz (rev s-1) were measured. Polystyrene beads of diameter about 1 μm labelled with smaller beads were...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1080/0950034031000069361
-
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- Journal:
- JOURNAL OF MODERN OPTICS
- Volume:
- 50
- Issue:
- 10
- Pages:
- 1539-1554
- Publication date:
- 2003-07-05
- DOI:
- ISSN:
-
0950-0340
- URN:
-
uuid:6cffa983-e246-4dc2-8e99-b25d2fa8eb40
- Source identifiers:
-
22224
- Local pid:
- pubs:22224
- Language:
- English
- Copyright date:
- 2003
Journal article
Rapid rotation of micron and submicron dielectric particles measured using optical tweezers
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