We use differential confocal microscopy for axial detection in optical tweezers. The fluctuation of a 3 /spl mu/m bead is about 10 nm at 16 mW. This technique is employed for studying protein elasticity and microrheology.
Nanometer axial position sensing in optical tweezers using differential confocal microscopy
(CLEO). Conference on Lasers and Electro-Optics, 2005. ; 3 ; 2314-2316 Vol. 3
2005-01-01
917909 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Nanometer Axial Position Sensing in Optical Tweezers by Using Differential Confocal Microscopy
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