Optimization of laser cleaning conditions using multimode short-pulse radiation

Aiming at significant enhancement of laser cleaning efficiency and productivity, we studied several typical experimental cases including removal of contaminated layers from absorbing surfaces, paying special attention to elimination of the thick rusty layers, and removal of absorbing coatings from t...

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Bibliographic Details
Published in:Optical and quantum electronics 2020, Vol.52 (6), Article 280
Main Authors: Kravchenko, Ya. V., Klimentov, S. M., Derzhavin, S. I., Mamonov, D. N., Karpov, N. V., Mayorov, A. N.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Cleaning
Computer Communication Networks
Electrical Engineering
Fundamentals of Laser Assisted Micro- & Nanotechnologies 2019
Laser beams
Lasers
Nanosecond pulses
Neodymium lasers
Optical Devices
Optics
Optimization
Photonics
Physics
Physics and Astronomy
Semiconductor lasers
Substrates
YAG lasers
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Summary:Aiming at significant enhancement of laser cleaning efficiency and productivity, we studied several typical experimental cases including removal of contaminated layers from absorbing surfaces, paying special attention to elimination of the thick rusty layers, and removal of absorbing coatings from transparent substrates. Nanosecond pulses of Nd:YAG laser were used in all the cases at variation of the mode content of the laser beam which was achieved by applying a multimode fiber delivery of radiation. Both, air and water ambient were used in the experiments. The results are discussed in terms of plasma microexplosions in the domain of the substrate–layer interface and the vapor bubbles formation inside the thick rusty layer impregnated with liquid.
ISSN:0306-8919
1572-817X
DOI:10.1007/s11082-020-02399-1