Ultraviolet extinction spectra of spongy agglomerates of amorphous carbon grains have been measured in the spectral range 100-300 nm. These spectra present two dips which can be explained in terms of harmonic resonant modes of electromagnetic waves in a disordered medium. This effect is due to the random fluctuations of the refraction index of our samples which have a disordered granular structure.
Anomalous Dips in Extinction Spectra of Disordered Carbon Grains
CAPOZZI, VITO GIACOMO;
1988-01-01
Abstract
Ultraviolet extinction spectra of spongy agglomerates of amorphous carbon grains have been measured in the spectral range 100-300 nm. These spectra present two dips which can be explained in terms of harmonic resonant modes of electromagnetic waves in a disordered medium. This effect is due to the random fluctuations of the refraction index of our samples which have a disordered granular structure.File in questo prodotto:
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