Summary and comparison on different calibration method for Optical force:
"Comparative study of methods to calibrate the stiffness of a single-beam gradient-force optical tweezers over various laser trapping powers", J. Biomed. Opt. 19, 115001 (2014).
"Comparative study of methods to calibrate the stiffness of a single-beam gradient-force optical tweezers over various laser trapping powers", J. Biomed. Opt. 19, 115001 (2014).