TIRM measures particle-wall interaction potentials with nanometer and femtonewton resolution. Crucial is the knowledge of the scattering intensity-position relation I(z), usually assumed a priori exponential. The experimental determination of I(z) greatly enlarges the accessible conditions.
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(260.0260) Physical optics : Physical optics
(260.6970) Physical optics : Total internal reflection
G. Volpe, T. Brettschneider, L. Helden, and C. Bechinger, "Total Internal Reflection Microscopy: Calibration of the Intensity-Position Relation," in Frontiers in Optics 2010/Laser Science XXVI, OSA Technical Digest (CD) (Optical Society of America, 2010), paper PDPA1.
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