After a short reminder of system theory, it is shown that polychromatic diffraction in dilute dielectric dispersive media leads to an input-output relationship between field amplitudes incident on and emerging from a spatially modulating transparency. If Rayleigh-Sommerfeld diffraction theory is used and in Green's function the vacuum wavenumber is replaced by a function of susceptibility, which depends on frequency, then the system-theoretical interpretation of the formula is straightforward. Linearity, time-invariance and causality are satisfied and the state space is physically identifiable.

Crosta, G. (1979). Diffraction in Dispersive Media: A System-theoretical Approach. OPTICA ACTA, 26(6), 771-776 [10.1080/713820052].

Diffraction in Dispersive Media: A System-theoretical Approach

CROSTA, GIOVANNI FRANCO FILIPPO
1979

Abstract

After a short reminder of system theory, it is shown that polychromatic diffraction in dilute dielectric dispersive media leads to an input-output relationship between field amplitudes incident on and emerging from a spatially modulating transparency. If Rayleigh-Sommerfeld diffraction theory is used and in Green's function the vacuum wavenumber is replaced by a function of susceptibility, which depends on frequency, then the system-theoretical interpretation of the formula is straightforward. Linearity, time-invariance and causality are satisfied and the state space is physically identifiable.
No
Articolo in rivista - Articolo scientifico
Scientifica
linear media; Rayleigh-Sommerfeld diffraction; Green function; causality
English
771
776
6
Crosta, G. (1979). Diffraction in Dispersive Media: A System-theoretical Approach. OPTICA ACTA, 26(6), 771-776 [10.1080/713820052].
Crosta, G
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/10281/20119
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