Light emission by magnetic and electric dipoles close to a plane dielectric interface III Radiation patterns of dipoles with arbitrary orientation

Lukosz, W.

doi:10.1364/josa.69.001495

Cited by 236 publications

(156 citation statements)

References 2 publications

Supporting

Mentioning

152

Contrasting

Order By: Relevance

“…The F j and G j are integrals involving Bessel functions containing the complete information about the imaging properties of the optics ͑inclusively the image defocusing͒ as well as the modification of the angular distribution of emission of the imaged dipole due to its electrodynamic interaction with the substrate. 11 In the present letter, defocused imaging is used for studying the angular distribution of emission of fluorescent CdSe quantum dots. Instead of assuming them to be perfect dipole emitters with one fixed orientation or with perfectly circular two-dimensional degeneracy, we will assume their emission to be a superposition of three perpendicular linear dipole emitters with differing emission intensity.…”

mentioning

confidence: 99%

Defocused imaging of quantum-dot angular distribution of radiation

Patra

Gregor

Enderlein

et al. 2005

Applied Physics Letters

View full text Add to dashboard Cite

We have applied defocused imaging of single fluorescent quantum dots to study the angular distribution of their emission. It is found that quantum dots exhibit an angular distribution best described by a superposition of emission of three perpendicular dipoles. A theory of the defocused images of such emitters is presented and compared with the measurements. Furthermore, it is shown that standard fluorescence anisotropy measurements are not able to uncover such complex emission behavior.

show abstract

mentioning

confidence: 99%

Defocused imaging of quantum-dot angular distribution of radiation

Patra

Gregor

Enderlein

et al. 2005

Applied Physics Letters

View full text Add to dashboard Cite

show abstract

“…As has been shown by many authors before [e.g., Felsen and Marcuvitz, 1973;Chew, 1990;Lukosz, 1979] The current distributions of the various sources, corresponding to Figure 1, are summarized in Table 1. It is worth noting that as every arbitrarily oriented electric dipole can be represented by a combination of VED and HED according to its projection on the z axis [Lukosz, 1979], our independent treatment of the VED and HED actually covers all possible dipole orientations.…”

Section: Formulationmentioning

confidence: 56%

“…It is worth noting that as every arbitrarily oriented electric dipole can be represented by a combination of VED and HED according to its projection on the z axis [Lukosz, 1979], our independent treatment of the VED and HED actually covers all possible dipole orientations. As for the HED current elements, one can readily verify that ⃗ J ∥ = E ⃗ J ∥ + M ⃗ J ∥ and confirm, upon substitution of the following integral identities [Piessens, 2000] in the definitions of Table 1,…”

Section: Formulationmentioning

confidence: 99%

On the relevance of two‐dimensional models for radiation of statistical sources in stratified media

2014

View full text Add to dashboard Cite

We present analytical closed‐form expressions for the radiation patterns of 2‐D line sources and 3‐D point dipoles embedded in a general multilayered configuration. While the former are simplified model sources, used as a preliminary analytical step to reduce derivation complexity, the latter have been shown experimentally to reproduce the electromagnetic behavior of many elementary statistical sources. By decomposing the sources to current elements generating pure transverse electric (TE) or transverse magnetic (TM) polarized radiation, we arrive at a unified format for the radiation pattern expression for all sources considered. Analyzing the common 1‐D (characteristic) Green's function, we show that the normalized TE‐polarized emission of model 2‐D electric line sources reproduces exactly the measured TE‐polarized radiation of statistical (3‐D) dipoles with random in‐plane orientation; the connection between the TM‐polarized emission of the two species is discussed, and physical interpretation is provided via the unified expression. These results specify the precise relations between the 2‐D and 3‐D models, providing intuition as well as guidelines for proper usage of simplified 2‐D results for analysis of realistic 3‐D statistical configurations.

show abstract

“…[6][7][8] No far-field radiation is emitted along the surface and less than 1% of the radiation is emitted into the air normal to the surface. The far-field pulse is detected at the receiver dipole after it is internally reflected from the back of the 450 m thick SOS chip.…”

Section: School Of Electrical and Computer Engineering And Center Formentioning

confidence: 99%

Experimental time-domain study of THz signals from impulse excitation of a horizontal surface dipole

McGowan

Grischkowsky

1999

Applied Physics Letters

View full text Add to dashboard Cite

Using optoelectronic techniques with sub-ps resolution, we have characterized the electric-field time-domain response from an impulsively excited, micron-sized dipole antenna on a dielectric surface. When detected by an adjacent dipole antenna 400 μm distant, two primary signals are observed, a far-field pulse reflected from the back surface of the substrate and a surface-wave pulse. The surface-wave pulse appears as two distinct surface-propagating pulses despite originating from the dipole simultaneously.

show abstract

Light emission by magnetic and electric dipoles close to a plane dielectric interface III Radiation patterns of dipoles with arbitrary orientation

Cited by 236 publications

References 2 publications

Defocused imaging of quantum-dot angular distribution of radiation

Defocused imaging of quantum-dot angular distribution of radiation

On the relevance of two‐dimensional models for radiation of statistical sources in stratified media

Experimental time-domain study of THz signals from impulse excitation of a horizontal surface dipole

Contact Info

Product

Resources

About