Sagnac interferometer-enhanced particle tracking in optical tweezers
نویسندگان
چکیده
منابع مشابه
Particle tracking stereomicroscopy in optical tweezers: control of trap shape.
We present an optical system capable of generating stereoscopic images to track trapped particles in three dimensions. Two-dimensional particle tracking on each image yields three dimensional position information. Our approach allows the use of a high numerical aperture (NA=1.3) objective and large separation angle, such that particles can be tracked axially with resolution of 3 nm at 340 Hz. S...
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ژورنال
عنوان ژورنال: Journal of Optics
سال: 2011
ISSN: 2040-8978,2040-8986
DOI: 10.1088/2040-8978/13/4/044014