Reply to comment on “Geometric absorption of electromagnetic angular momentum”
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Comment on “ Geometric absorption of electromagnetic angular momentum ” ,
The core theorem on which the above paper is centred—that a perfectly conducting body of revolution absorbs no angular momentum from an axisymmetric electromagnetic wave field—is in fact a special case of a more general result in electromagnetic scattering theory. In addition, the scaling of the efficiency of transfer of angular momentum to an object with the wavelength and object size merits f...
متن کاملTimo A. Nieminen " Comment on " Geometric Absorption of Electromagnetic Angular
The core theorem on which the above paper is centred—that a perfectly conducting body of revolution absorbs no angular momentum from an axisymmetric electromagnetic wave field—is in fact a special case of a more general result in electromagnetic scattering theory. In addition, the scaling of the efficiency of transfer of angular momentum to an object with the wavelength and object size merits f...
متن کاملComment on "Weak measurements with orbital-angular-momentum pointer states".
In their recent Letter[1], Puentes et al. have provided a scheme for extracting the real and imaginary parts of higher-order weak value by using orbital angular momentum(OAM) states as pointer states, based on two interaction Hamiltonians and multiple joint pointer displacements. They claim that such weak values are inaccessible with Gaussian pointer state only, due to its particular symmetry p...
متن کاملGeneration of Electromagnetic Waves with Arbitrary Orbital Angular Momentum Modes
Recently, much attention has been focused on beams carrying orbital angular momentum (OAM) for radio communication. Here we experimentally demonstrate a planar-spiral phase plate (planar-SPP) for generating arbitrary mixed OAM beams. This proposed planar-SPP uses the concept of transmit array antenna having a perforated substrate to control the outputting phase for generating beams carrying OAM...
متن کاملOrbital and Spin Angular Momentum of Electromagnetic Fields
1 Problem Poynting [1] identified the flux of energy in the electromagnetic fields {E, B} (in a medium with relative permittivity = 1 and relative permeability μ = 1) with the vector S = c 4π E × B, (1) in Gaussian units, where c is the speed of light in vacuum. Abraham [2] recognized the additional role of the Poynting vector as being proportional to the density of linear momentum stored in th...
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ژورنال
عنوان ژورنال: Optics Communications
سال: 2004
ISSN: 0030-4018
DOI: 10.1016/j.optcom.2004.02.067