S. LEPORATTI

The photopolymerization of monolayers prepared at the gas-water interface with two styrene functionalized surfactants is studied and peculiar features of the film structures are described. When these films are irradiated with UV light, at constant surface pressure, their areas decrease monotonically as a function of the irradiation time. Phase...

We describe an instrument, built around a commercial CCD camera and some fast image-processing boards, that evaluates roughness height by measuring the average size of doubly scattered speckle patterns. The device is a variant of a recent proposal that was based on the use of a spatial modulator to perform the Fourier transform of a speckle...

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