We present a comprehensive overview of sensor technology exploiting optical whispering
gallery mode (WGM) resonances. After a short introduction we begin by detailing the …

The description of electromagnetic arbitrary shaped beams (eg laser beams) under
expanded forms requires the evaluation of expansion coefficients known as beam shape …

For a physicist, and more generally for a scientist, one of the pleasures in everyday life is to
detect exemplifying manifestations and avatars of the topic he is working on. Why do small …

Theoretical expressions of the radiation pressure force for a dielectric sphere in the Rayleigh
regime of light scattering under illumination of a Gaussian laser beam with the fundamental …

The lateral position of an optically trapped object in a microscope can be monitored with a
quadrant photodiode to within nanometers or better by measurement of intensity shifts in the …

Morphology-dependent resonances (MDR's) of solid microspheres are excited by using an
optical fiber coupler. The narrowest measured MDR linewidths are limited by the excitation …

A technique for detecting the displacement of micron-sized optically trapped probes using
far-field interference is introduced, theoretically explained, and used to study the motility of …

We use optical tweezers to move single silver nanoparticles into near-field contact with
immobilized particles, forming isolated surface-enhanced Raman spectroscopy (SERS) …

Generalized Lorenz–Mie theory describes electromagnetic scattering of an arbitrary light
beam by a spherical particle. The computationally most expensive feature of the theory is the …

The basic formulas of generalized Lorenz–Mie theory are presented, and are applied to
scattering of a focused Gaussian laser beam by a spherical particle. Various applications of …