Multiphoton polymerization with the holographic control of femtosecond and continuous laser radiation
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A unit in which two lasers, one with femtosecond and the other continuous radiation, were used was designed and manufactured. Both lasers worked under holographic control conditions provided by two spatial optic modulators. Experiments with creating several polymer structures by several femtosecond optical “traps” simultaneously were performed. The possibility of the production of one polymer article by simultaneous displacement of several femtosecond optical traps was demonstrated. A polymer article was also prepared by several femtosecond traps and manipulated with the use of several continuous traps. The possibility of focusing femtosecond radiation onto an extended object (“thread” 13 μm long) and the preparation of a polymer object by controlling a femtosecond optical trap in three-dimensional space was demonstrated.
Keywordstwo-photon polymerization holographic optical manipulation femtosecond radiation
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