Light propulsion of microbeads with femtosecond laser pulses.

Abstract

Milli-Joule, femtosecond laser pulses have been used to propel microbeads for the first time. The microbeads of three different materials (iron, glass, and polystyrene) are used, weighting from 0.84 mg to 1.4 mg with a diameter range of 0.7-1.1 mm. Experimental parameters such as focused beam spot diameter, pulse energy, and pulse width are carefully varied… (More)

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