Direct laser writing with a sub-nanosecond burst of femtosecond pulses exploiting excitation of deformation wave

A.G. Okhrimchuk; A.G. Okhrimchuk; S.S. Fedotov; P.G. Kazansky

JSAP-OSA Joint Symposia 2018
(Optica Publishing Group, 2018),
paper 19p_231B_5

Direct laser writing with a sub-nanosecond burst of femtosecond pulses exploiting excitation of deformation wave

A.G. Okhrimchuk, S.S. Fedotov, and P.G. Kazansky

JSAP-OSA Joint Symposia 2018

Nagoya Japan
18–21 September 2018
ISBN: 978-4-86348-694-2

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Laser Material Processing and Manipulation (4.7)

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A. G. Okhrimchuk, S. S. Fedotov, and P. G. Kazansky, "Direct laser writing with a sub-nanosecond burst of femtosecond pulses exploiting excitation of deformation wave," in JSAP-OSA Joint Symposia 2018, (Optica Publishing Group, 2018), paper 19p_231B_5.

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Abstract

It is well known, the the laser micromachining gets different types of benefits with temporary shaping of a single or a train of ultra short pulses. It exploits material dependent electronic relaxation processes on a sub-picosecond time scale, and heat accumulation on a sub-microsecond time scale. Meantime until now there was no developed method for pulse shaping on a sub-nanosecond time scale, and clear evidence of benefits for micromachining with such pulses.

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