Dr. Libor Mrňa Profile

Dr. Libor Mrňa

at Institute of Scientific Instruments of the CAS vvi

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Publications (6)

Proceedings Article | 30 December 2019 Paper

Study of the influence of focal position on back-reflected radiation during deep penetration laser welding and its simulation

Petr Horník, Martin Šarbort, Hana Šebestová, Libor Mrňa

Proceedings Volume 11385, 1138505 (2019) https://doi.org/10.1117/12.2542806

KEYWORDS: Laser welding, Optical simulations, Laser safety, Signal processing, Mathematical modeling, Data modeling, Fiber lasers, Laser optics, Head, Optical fibers

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Proceedings Article | 11 November 2016 Paper

Possibilities in optical monitoring of laser welding process

Petr Horník, Libor Mrňa, Jan Pavelka

Proceedings Volume 10151, 1015110 (2016) https://doi.org/10.1117/12.2257234

KEYWORDS: Laser welding, Plasma, Laser processing, Laser optics, Cameras, Image processing, High speed cameras, Optical filters, Optical spectroscopy, Sensors

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Proceedings Article | 11 November 2016 Paper

Use of schlieren methods to study gas flow in laser technology

Libor Mrňa, Jan Pavelka, Petr Horník, Jozef Hrabovský

Proceedings Volume 10151, 101510I (2016) https://doi.org/10.1117/12.2257212

KEYWORDS: Laser cutting, Laser welding, Laser processing, Gas lasers, Laser applications, Visualization, Plasma, Gases, Argon, Metals

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Proceedings Article | 7 January 2015 Paper

Deformable mirror for high power laser applications

Libor Mrňa, Martin Sarbort, Miroslava Hola

Proceedings Volume 9442, 94420W (2015) https://doi.org/10.1117/12.2086617

KEYWORDS: Mirrors, Deformable mirrors, Actuators, High power lasers, Laser cutting, 3D scanning, 3D metrology, Optical testing, Manufacturing, Heat treatments

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Proceedings Article | 13 May 2013 Paper

Automatic unit for measuring refractive index of air based on Ciddor equation and its verification using direct interferometric measurement method

V. Hucl, M. Čížek, J. Hrabina, B. Mikel, Š. Řeřucha, Z. Buchta, P. Jedlička, A. Lešundák, J. Oulehla, L. Mrňa, M. Šarbort, R. Šmíd, J. Lazar, O. Číp

Proceedings Volume 8788, 878837 (2013) https://doi.org/10.1117/12.2020756

KEYWORDS: Refractive index, Sensors, Humidity, Interferometers, Interferometry, Carbon dioxide, Analog electronics, Temperature metrology, Calibration, Microcontrollers

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Proceedings Article | 16 August 2010 Paper

Adaptive feedback beam shaping of the CO2 welding laser

Petr Jedlicka, Libor Mrna, Martin Šarbort, Šimon Rerucha

Proceedings Volume 7789, 77890V (2010) https://doi.org/10.1117/12.860646

KEYWORDS: Mirrors, Adaptive optics, Beam shaping, Plasma, Carbon dioxide lasers, Laser welding, Feedback control, Energy transfer, Clouds, Diffusion

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Showing 5 of 6 publications

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