We propose a non-invasive method of mapping the optical field of a tightly focused laser beam by imaging transiently trapped nanoparticles. Optical field intensities are calculated from known trapping energy of the probe particles.
© 2011 OSA
L. Zhou, Q. Zhan, and D. Ou-Yang, "Mapping of the Optical Field of a Focused Cylindrical Vector Beam by Trapped Rayleigh Particles," in Optics in the Life Sciences, OSA Technical Digest (CD) (Optical Society of America, 2011), paper OTMD3.
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