Three-dimensional force calibration of optical tweezers

被引：0
|
作者：
Singer, W
Bernet, S
Hecker, N
Ritsch-Marte, M
机构：
[1] Univ Innsbruck, Inst Med Phys, A-6020 Innsbruck, Austria
[2] LMU Munchen, Sekt Phys, D-80799 Munich, Germany
来源：
JOURNAL OF MODERN OPTICS | 2000年 / 47卷 / 14-15期
关键词：
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate a method for 3-dimensional force calibration of optical tweezers by recording the trapping dynamics of polystyrene beads. This is realized by time-resolved detection of the horizontal and vertical position of a bead which is drawn to the focus of a laser beam. The method provides real time characterization of the force profile of an optical trap in all directions.
引用
收藏
页码：2921 / 2931
页数：11
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