We demonstrate that a spatial phase calibration strongly improves the trapping pattern generated by a holographic optical trapping setup. The main advantage is the decreased power in the zeroth order.
© 2012 OSA
(090.2890) Holography : Holographic optical elements
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(070.6120) Fourier optics and signal processing : Spatial light modulators
D. Engström, M. Persson, and M. Goksör, "Spatial Phase Calibration Used to Improve Holographic Optical Trapping," in Biomedical Optics and 3-D Imaging, OSA Technical Digest (Optical Society of America, 2012), paper DSu2C.3.