A method for providing nanoclusters or controlled dimensions is described. The method involves an activation of individual nanoparticles and the subsequent interaction between activated particles to form a cluster.
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A device for monitoring one or more characteristics of a liquid sample, comprising at least one source of collimated radiation, and at least one detector capable of detecting radiation returning from the sample, wherein the optical axis of the radiation source or sources and the optical axis of t.....
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A semiconductor optical amplifier for amplifying an optical signal. The amplifier comprises an input for receiving the optical signal and an output for outputting an amplified version of the optical signal. A semiconductor active medium is provided for defining an amplification path extending betwee.....
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