Beam propagation of high-power ultrashort laser pulses inside transparent dielectrics for controlled 3D microstructuring

David Ashkenasi; Markus Lorenz; Arkadi Rosenfeld

doi:10.1117/12.377007

7 February 2000 Beam propagation of high-power ultrashort laser pulses inside transparent dielectrics for controlled 3D microstructuring

David Ashkenasi, Markus Lorenz, Arkadi Rosenfeld

Author Affiliations +

Proceedings Volume 3888, High-Power Lasers in Manufacturing; (2000) https://doi.org/10.1117/12.377007
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

Abstract

Ultrashort laser pulses provide high power at low energy which is very promising to obtain precise microstructures inside and on the rear side of the transparent materials. Decreasing the pulse duration from several ps into the sub-ps range, we noticed strong differences in the processing and non-linear behavior. We performed experimental investigations on laser beam propagation through wide-band gap materials at high peak powers. We present recent results on different types of bulk modifications generated inside several different transparent materials and focus our attention on pulse duration dependent observations in a range between 0.2 and 4 ps.

Citation Download Citation

David Ashkenasi, Markus Lorenz, and Arkadi Rosenfeld "Beam propagation of high-power ultrashort laser pulses inside transparent dielectrics for controlled 3D microstructuring", Proc. SPIE 3888, High-Power Lasers in Manufacturing, (7 February 2000); https://doi.org/10.1117/12.377007

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