Far-field angular distribution of the mean scattered intensity from strong diffusers by means of a near-field intensity pattern

2010 ◽  
Vol 49 (8) ◽  
pp. 1335
Author(s):  
Natalia Álvarez ◽  
Fernando Perez-Quintián
Keyword(s):  
Angular Distribution ◽  
Field Intensity ◽  
Near Field ◽  
Far Field ◽  
Scattered Intensity ◽  
Intensity Pattern ◽  
The Mean

The development of a partially mixed region in a stratified shear flow

1975 ◽  
Vol 71 (2) ◽  
pp. 407-415 ◽  
Author(s):  
R. J. Hartman
Keyword(s):  
Shear Strength ◽  
Wave Packet ◽  
Richardson Number ◽  
Near Field ◽  
Far Field ◽  
Uniform Shear ◽  
Stratified Shear Flow ◽  
The Mean ◽  
Kinematic Distortion ◽  
Qualitative Discussion

The influence of a mean uniform shear on the development of a partially mixed region in an unbounded stratified fluid is considered. Results are given for the very near field and the far field in the large-J (Richardson number) limit. A qualitative discussion for J [gsim ] 1 is also included. The near-field motion is modified on a time scale given by Rτ ∼ J−¼, where R = dU/dz is the mean shear strength. This modification is shown to be a consequence of the kinematic distortion of the wake profile by the mean shear. The radiation field is largely anticipated by the wave-packet discussion of an earlier paper.

Wavelength dispersion of the local field intensity in silver–gold nanocages

2015 ◽  
Vol 17 (11) ◽  
pp. 7355-7365 ◽  
Author(s):  
R. Pilot ◽  
A. Zoppi ◽  
S. Trigari ◽  
F. L. Deepak ◽  
E. Giorgetti ◽  
...  
Keyword(s):  
Field Intensity ◽  
Local Field ◽  
Experimental Analysis ◽  
Spectral Distribution ◽  
Near Field ◽  
Far Field ◽  
Hollow Nanoparticles ◽  
Sers Enhancement ◽  
Gold Nanocages

Combined theoretical and experimental analysis of the far-field (extinction) and of the near-field (SERS enhancement) spectral distribution in hollow nanoparticles, that is, silver–gold nanocages (NCs).

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