Coherent light scattering from a buried dipole in a high-aperture optical system

Vamivakas, A. Nick; Yurt, Abdulkadir; Müller, Tina; Köklü, F. H.; Ünlü, M. Selim; Atatüre, Mete

doi:10.1088/1367-2630/13/5/053056

Cited by 3 publications

(3 citation statements)

References 27 publications

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“…The real and imaginary part of the axial function A, eqs. (15) and (16) of the main article, then follow from the above expression (47).…”

Section: Fractional Cross-sections (Analytical)mentioning

confidence: 94%

“…NA d = 0, and point-like particles into account. On the other hand, the corresponding high-NA d treatments for idealized dipole scatterers and two-level systems [7,15] cannot be directly transferred to absorbing induced-dipole (Rayleigh) scatterers [9]. For large particles R λ/20 or complexvalued polarizabilities the situation is more complicated.…”

Section: Introductionmentioning

confidence: 99%

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Energy-redistribution signatures in transmission microscopy of Rayleigh and Mie particles

Selmke

Cichos

2014

J. Opt. Soc. Am. A

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The transmission characteristics of a spherical (possibly multilayered) particle of arbitrary size under focused illumination are discussed within the generalized Lorenz-Mie theory. Expressions generalizing the total extinction and scattering cross-sections to their fractional counterparts are presented which allow for a convenient modeling of transmission signals, both on-axis and off-axis. The strong dependence of the signal on the collection angle and the complex polarizability are readily included in this minimal, yet accurate model. The precise signature of the energy redistribution and absorption are found for particles of arbitrary complex-valued polarizability. For perfect dielectrics, a transition from sensitive extinction to insensitive scattering signals is observed and quantified for apertures including angles larger than twice the beam's angle of divergence. Implications for positioning, temperature control, spectroscopy and optimized extinction measurements are discussed.

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“…The real and imaginary part of the axial function A, eqs. (15) and (16) of the main article, then follow from the above expression (47).…”

Section: Fractional Cross-sections (Analytical)mentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Energy-redistribution signatures in transmission microscopy of Rayleigh and Mie particles

Selmke

Cichos

2014

J. Opt. Soc. Am. A

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show abstract

“…For example, Ref. [14] discusses the detrimental effects induced by boundaries between different dielectrics when focusing onto buried InAs semiconductor quantum dots. Furthermore, the fluorescence collected by a deep PM from a single photon source can be extremely high, as exemplified for a single ion effectively radiating as an isotropic point source [15].…”

Section: Introductionmentioning

confidence: 99%

Optical trapping of nanoparticles by full solid-angle focusing

Salakhutdinov

Sondermann

Carbone

et al. 2016

Optica

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Optical dipole-traps are used in various scientific fields, including classical optics, quantum optics and biophysics. Here, we propose and implement a dipole-trap for nanoparticles that is based on focusing from the full solid angle with a deep parabolic mirror. The key aspect is the generation of a linear-dipole mode which is predicted to provide a tight trapping potential. We demonstrate the trapping of rod-shaped nanoparticles and validate the trapping frequencies to be on the order of the expected ones. The described realization of an optical trap is applicable for various other kinds of solid-state targets. The obtained results demonstrate the feasibility of optical dipole-traps which simultaneously provide high trap stiffness and allow for efficient interaction of light and matter in free space.

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All-optical mass sensing with coupled mechanical resonator systems

Zhu

2013

Physics Reports

129

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Coherent light scattering from a buried dipole in a high-aperture optical system

Cited by 3 publications

References 27 publications

Energy-redistribution signatures in transmission microscopy of Rayleigh and Mie particles

Energy-redistribution signatures in transmission microscopy of Rayleigh and Mie particles

Optical trapping of nanoparticles by full solid-angle focusing

All-optical mass sensing with coupled mechanical resonator systems

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