Refractivity
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Recent papers in Refractivity
La rifrattività è il principale parametro che governa la propagazione di un’onda elettromagnetica nel mezzo. In questo lavoro verifichiamo in modo analitico la validità della formula approssimata della rifrattività dei plasmi che si... more
In recent years, the global positioning system (GPS) has been exploited via radio occultation techniques to obtain profiles of refractivity, temperature, pressure and water vapor in the neutral atmosphere and electron density in the... more
The present quantitative structure-activity relationship (QSAR) study attempts to explore the structural and physicochemical requirements of mannitol derivatives for HIV protease inhibitory activity using linear free energy related model... more
The optical-limiting behavior of a series of trans-alpha, omega-diphenyl polyene compounds was observed in solutions of chloroform. The influence of planarity, the substitution of donor and acceptor groups, and the extent of pi-electron... more
We analyze codirectional and counterpropagating second harmonic generation, degenerate four‐wave mixing, and intensity‐dependent refractive index phenomena based on surface plasmon polaritons guided by thin metal films. Promising cross... more
This report describes the experimental and analytical efforts performed to determine the constitutive parameters of a reinforced concrete pad on which an aircraft (the NASA Boeing 757) was parked while its internal electromagnetic... more
We demonstrate how slow group velocities of light, which are readily achievable in photonic-crystal systems, can dramatically increase the induced phase shifts caused by small changes in the index of refraction. Such increased phase... more
Enhanced two-beam mixing amplification at a wavelength of 1.06 mum obtained by using sinusoidal electrical fields at 7.7 MHz is reported. The peak measured gains are comparable with dc field enhanced gain but with smaller rms fields. At... more
ABSTRACT: This study presents the complex index of refraction and the complex permittivity of a magnetic ceramic material made of copper, cobalt, and iron oxides. The index of refraction and the extinction coefficient of the... more