Cvecek, Kristian

Dr. rer. nat. Kristian Cvecek Institute of Photonic Technologies (LPT, Prof. Schmidt) Room: Room 02.021 Konrad-Zuse-Straße 3/5 91052 Erlangen Phone number: +49 9131 85-23240 Fax number: +49 9131 85-23234 Email: kristian.cvecek@lpt.uni-erlangen.de

 

Research focuses:

• Ultrashort Pulse Laser processes
• Glass processing
• Sensing/ Optical metrology

Positions and tasks:

• Scientific Coordinator
• Team manager of the group Ultrashort Pulse Laser processes

 

Publications:

Expand All 2026 Romboy A., Cvecek K., Schmidt M.: Generation of SHG Holograms at 400 nm from a Beam-Shaped Fundamental Using Short Femtosecond Pulses in a Collinear Type-2 Phase Matching Crystal In: Journal of Laser Micro/Nanoengineering 21 (2026), p. 36-40 ISSN: 1880-0688 DOI: 10.2961/jlmn.2026.01.2006 BibTeX: Download 2025 Haas B., Mary R., Cvecek K., Roider C., Schmidt M., Döllinger M., Semmler M.: Liquid Lens Optical Design for Adjustable Laser Spot Array for the Laser-Based Three-Dimensional Reconstruction of Vocal Fold Oscillations In: Optics 6 (2025), Article No.: 10 ISSN: 2673-3269 DOI: 10.3390/opt6010010 BibTeX: Download Schneider N., Chechik L., Schmidt M., Cvecek K.: Modification of Femtosecond Laser Absorption by Electron Beam Irradiation In: Journal of Laser Micro Nanoengineering (2025) ISSN: 1880-0688 DOI: 10.2961/jlmn.2025.03.2004 BibTeX: Download 2024 Schmidt M., Cvecek K., Duflou J., Vollertsen F., Arnold CB., Matthews MJ.: Dynamic beam shaping—Improving laser materials processing via feature synchronous energy coupling In: CIRP Annals - Manufacturing Technology 73 (2024), p. 533-559 ISSN: 0007-8506 DOI: 10.1016/j.cirp.2024.05.005 BibTeX: Download 2023 Ackermann L., Gehring M., Roider C., Cvecek K., Schmidt M.: Spot Arrays for Uniform Material Ablation with Ultrashort Pulsed Lasers In: Optics and Laser Technology 163 (2023), p. 109358 ISSN: 0030-3992 DOI: 10.1016/j.optlastec.2023.109358 URL: https://www.sciencedirect.com/science/article/pii/S0030399223002517 BibTeX: Download Ackermann L., Roider C., Cvecek K., Barré N., Aigner C., Schmidt M.: Polarization-Controlled Nonlinear Computer-Generated Holography In: Scientific Reports (2023), Article No.: 10338 ISSN: 2045-2322 DOI: 10.1038/s41598-023-37443-z URL: https://www.nature.com/articles/s41598-023-37443-z BibTeX: Download Ackermann L., Roider C., Cvecek K., Barré N., Schmidt M.: Diminishing Speckle Noise during Nonlinear Phase-Only Beam Shaping 2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023 (Munich, DEU, June 26, 2023 - June 30, 2023) In: 2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023 2023 DOI: 10.1109/CLEO/EUROPE-EQEC57999.2023.10232165 BibTeX: Download Ackermann L., Roider C., Cvecek K., Barré N., Schmidt M.: Diminishing Speckle Noise During Nonlinear Phase-only Beam Shaping 2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023 (Munich, DEU, June 26, 2023 - June 30, 2023) In: IEEE (ed.): 2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023 2023 DOI: 10.1109/CLEO/Europe-EQEC57999.2023.10232165 BibTeX: Download (anderer) Ackermann L., Roider C., Gehring M., Cvecek K., Schmidt M.: High-Speed Speckle Averaging for Phase-Only Beam Shaping in Laser Materials Processing In: Optics and Lasers in Engineering 165 (2023), Article No.: 107537 ISSN: 0143-8166 DOI: 10.1016/j.optlaseng.2023.107537 BibTeX: Download 2022 Ackermann L., Roider C., Cvecek K., Schmidt M.: Methods for uniform beam shaping and their effect on material ablation In: Applied Physics A: Solids and Surfaces (2022) ISSN: 0721-7250 DOI: 10.1007/s00339-022-06004-y URL: https://link.springer.com/article/10.1007/s00339-022-06004-y BibTeX: Download 2021 Bergler M., Cvecek K., Werr F., Veber A., Schreiner J., Eckstein U., Webber KG., Schmidt M., de Ligny D.: Coupling raman, brillouin and nd3+ photo luminescence spectroscopy to distinguish the effect of uniaxial stress from cooling rate on soda-lime silicate glass In: Materials 14 (2021), Article No.: 3584 ISSN: 1996-1944 DOI: 10.3390/ma14133584 BibTeX: Download 2020 Bergler M., Cvecek K., Werr F., Brehl M., de Ligny D., Schmidt M.: Cooling rate calibration and mapping of ultra-short pulsed laser modifications in fused silica by Raman and Brillouin spectroscopy In: International Journal of Extreme Manufacturing 2 (2020) ISSN: 2631-8644 DOI: 10.1088/2631-7990/ab9583 URL: https://iopscience.iop.org/article/10.1088/2631-7990/ab9583 BibTeX: Download Bergler M., Cvecek K., Werr F., Brehl M., de Ligny D., Schmidt M.: Erratum: Cooling rate calibration and mapping of ultra-short pulsed laser modifications in fused silica by Raman and Brillouin spectroscopy (International Journal of Extreme Manufacturing DOI: 10.1088/2631-7990/ab9583) In: International Journal of Extreme Manufacturing 3 (2020), Article No.: 019501 ISSN: 2631-8644 DOI: 10.1088/2631-7990/abc46d BibTeX: Download Miyamoto I., Cvecek K., Schmidt M.: Advances of Laser Welding Technology of Glass -Science and Technology- In: Journal of Laser Micro Nanoengineering 15 (2020), p. 63-76 ISSN: 1880-0688 DOI: 10.2961/jlmn.2020.02.1001 BibTeX: Download 2019 Cvecek K., Dehmel S., Miyamoto I., Schmidt M.: A review on glass welding by ultra-short laser pulses In: International Journal of Extreme Manufacturing 1 (2019), p. 042001 ISSN: 2631-8644 DOI: 10.1088/2631-7990/ab55f6 BibTeX: Download Cvecek K., Heberle J., Bergler M., Miyamoto I., de Ligny D., Schmidt M.: Glass machining and in-situ metrology: Recovery of spatio-temporal phase distribution from 2-dimensional interference fringe movement caused by irradiation of glass with ultra-short laser pulses at high pulse repetition rates CLEO: Applications and Technology, CLEO_AT 2019 (San Jose, CA, May 5, 2019 - May 10, 2019) In: Optics InfoBase Conference Papers 2019 DOI: 10.1364/CLEO_AT.2019.ATu3I.1 BibTeX: Download Dilipkumar A., Al-Shemmary A., Kreiß L., Cvecek K., Carlé BE., Knieling F., Menezes JG., Thoma OM., Schmidt M., Neurath M., Waldner M., Friedrich O., Schürmann S.: Label-Free Multiphoton Endomicroscopy for Minimally Invasive In Vivo Imaging In: Advanced Science 6 (2019), Article No.: 1801735 ISSN: 2198-3844 DOI: 10.1002/advs.201801735 BibTeX: Download 2018 Cvecek K., Miyamoto I., Heberle J., Bergler M., de Ligny D., Schmidt M.: Analysis of shockwave formation in glass welding by ultra-short pulses 10th CIRP Conference on Photonic Technologies, LANE 2018 (Furth, September 3, 2018 - September 6, 2018) In: Michael Schmidt (ed.): Procedia CIRP 2018 DOI: 10.1016/j.procir.2018.08.128 BibTeX: Download Miyamoto I., Cvecek K., Schmidt M.: Nonlinear absorption dynamics simulated in internal modification of glass at 532nm and 1064nm by ultrashort laser pulses 10th CIRP Conference on Photonic Technologies, LANE 2018 (Furth, September 3, 2018 - September 6, 2018) In: Michael Schmidt (ed.): Procedia CIRP 2018 DOI: 10.1016/j.procir.2018.08.129 BibTeX: Download 2017 Cvecek K., Stenglein F., Miyamoto I., Schmidt M.: Influence of wavelength on glass welding by ultra-short laser pulses In: Journal of Laser Micro Nanoengineering 12 (2017), p. 115-119 ISSN: 1880-0688 DOI: 10.2961/jlmn.2017.02.0012 BibTeX: Download 2016 Cvecek K., Groeschel B., Schmidt M.: Process properties of electronic high voltage discharges triggered by ultra-short pulsed laser filaments 9th International Conference on Photonic Technologies, LANE 2016 DOI: 10.1016/j.phpro.2016.08.061 BibTeX: Download Miyamoto I., Okamoto Y., Tanabe R., Ito Y., Cvecek K., Schmidt M.: Mechanism of dynamic plasma motion in internal modification of glass by fs-laser pulses at high pulse repetition rate In: Optics Express 24 (2016), p. 25718-25731 ISSN: 1094-4087 DOI: 10.1364/OE.24.025718 BibTeX: Download 2015 Alexeev I., Heberle J., Cvecek K., Nagulin K., Schmidt M.: High Speed Pump-Probe Apparatus for Observation of Transitional Effects in Ultrafast Laser Micromachining Processes In: Micromachines 6 (2015), p. 1914-1922 ISSN: 2072-666X DOI: 10.3390/mi6121462 URL: http://www.mdpi.com/2072-666X/6/12/1462 BibTeX: Download Cvecek K., Eckl J., Eiselen S., Huber HP., Schmidt M.: Evaluation of scanner-based focus finding methods on rough surfaces In: Journal of Laser Micro Nanoengineering 10 (2015), p. 304-309 ISSN: 1880-0688 DOI: 10.2961/jlmn.2015.03.0012 BibTeX: Download Cvecek K., Odato R., Dehmel S., Miyamoto I., Schmidt M.: Gap bridging in joining of glass using ultra short laser pulses In: Optics Express 23 (2015), p. 5681-5693 ISSN: 1094-4087 DOI: 10.1364/OE.23.005681 BibTeX: Download 2014 Cvecek K., Miyamoto I., Schmidt M.: Gas bubble formation in fused silica generated by ultra-short laser pulses In: Optics Express 22 (2014), p. 15877-15893 ISSN: 1094-4087 DOI: 10.1364/OE.22.015877 BibTeX: Download Stein S., Heberle J., Gürtler FJ., Cvecek K., Roth S., Schmidt M.: Influences of Nozzle Material on Laser Droplet Brazing Joints with Cu89Sn11 Preforms In: Physics Procedia 56 (2014), p. 709-719 ISSN: 1875-3892 DOI: 10.1016/j.phpro.2014.08.078 URL: http://www.sciencedirect.com/science/article/pii/S1875389214002235 BibTeX: Download Strauß J., Alexeev I., Cvecek K., Schmidt M.: Konfokale Bestimmung der Fokuslage und Kalibriermethodiken entsprechender Systeme Laser in der Elektronikproduktion & Feinwerktechnik (Fürth, March 12, 2014 - March 13, 2014) In: Michael Schmidt, Stephan Roth (ed.): Laser in der Elektronikproduktion & Feinwerktechnik, Bamberg: 2014 BibTeX: Download 2013 Alexeev I., Strauß J., Gröschl AC., Cvecek K., Schmidt M.: Laser focus positioning method with submicrometer accuracy In: Applied Optics 52 (2013), p. 415-421 ISSN: 0003-6935 DOI: 10.1364/AO.52.000415 BibTeX: Download Cvecek K., Strauß J., Alexeev I., Miyamoto I., Schmidt M.: Practical Aspects of Surface Generated Third Harmonic for Highly Precise Beam-workpiece Alignment In: Journal of Laser Micro Nanoengineering 8 (2013), p. 201-205 ISSN: 1880-0688 DOI: 10.2961/jlmn.2013.03.0003 BibTeX: Download 2012 Alexeev I., Cvecek K., Genser J., Schmidt M.: Direct Waveguide Writing with High Energy High Repetition Rate Picosecond Laser Pulses DOI: 10.1016/j.phpro.2012.10.081 BibTeX: Download Alexeev I., Cvecek K., Schmidt C., Miyamoto I., Frick T., Schmidt M.: Characterization of Shear Strength and Bonding Energy of Laser Produced Welding Seams in Glass In: Journal of Laser Micro Nanoengineering 7 (2012), p. 279-283 ISSN: 1880-0688 DOI: 10.2961/jlmn.2012.03.0009 BibTeX: Download Cvecek K., Miyamoto I., Adam M., Schmidt M.: Effects of Spherical Aberrations on Micro Welding of Glass using Ultra Short Laser Pulses 7th International Conference on Laser Assisted Net Shape Engineering. LANE 2012 DOI: 10.1016/j.phpro.2012.10.074 BibTeX: Download Cvecek K., Miyamoto I., Strauß J., Bui V., Scharfenberg S., Frick T., Schmidt M.: Strength of Joining Seams in Glass Welded by Ultra-fast Lasers Depending on Focus Height. In: Journal of Laser Micro Nanoengineering 7 (2012), p. 68-72 ISSN: 1880-0688 DOI: 10.2961/jlmn.2012.01.0013 BibTeX: Download Miyamoto I., Cvecek K., Schmidt M.: Non-dimensional evaluation of nonlinear absorptivity in internal modification of glass using USLP 31st International Congress on Applications of Lasers and Electro-Optics, ICALEO 2012 (USA, September 23, 2012 - September 27, 2012) In: ICALEO 2012 - 31st International Congress on Applications of Lasers and Electro-Optics 2012 DOI: 10.2351/1.5062571 BibTeX: Download Strauß J., Cvecek K., Gröschl AC., Alexeev I., Schmidt M.: Focus Alignment Method for Laser Manufacturing at Sub-micron Positional Accuracy In: Physics Procedia 39 (2012), p. 800-806 ISSN: 1875-3892 DOI: 10.1016/j.phpro.2012.10.103 BibTeX: Download 2011 Cvecek K., Miyamoto I., Strauß J., Wolf M., Frick T., Schmidt M.: Sample preparation method for glass welding by ultrashort laser pulses yields higher seam strength In: Applied Optics 50 (2011), p. 1941-1944 ISSN: 0003-6935 DOI: 10.1364/AO.50.001941 BibTeX: Download 2010 Cvecek K., Alexeev I., Miyamoto I., Schmidt M.: Defect formation in glass welding by means of ultra short laser pulses DOI: 10.1016/j.phpro.2010.08.172 BibTeX: Download 2009 Bin Mohid Z., Okamoto Y., Yamamoto K., Uno Y., Miyamoto I., Cvecek K., Schmidt M., Bechtold P.: E17 Evaluation of Molten Zone in Glass Welding Using Ultra-short Pulsed Laser(Laser processing) Proceedings of International Conference on Leading Edge Manufacturing in 21st century (, June 19, 2017) In: Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2009 DOI: 10.1299/jsmelem.2009.5.569 BibTeX: Download 2008 Cvecek K., Sponsel K., Stephan C., Onishchukov G., Ludwig R., Schubert C., Schmauß B., Leuchs G.: Phase-Preserving 2R-Regeneration of a WDM RZ-DPSK Signal Using a Nonlinear Amplifying Loop Mirror OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference (San Diego, CA, February 24, 2008 - February 28, 2008) In: Optical Communication / National Fiber Optic Engineers Conference OFC/NFOEC 24.-28.02. 2008 DOI: 10.1109/OFC.2008.4528769 BibTeX: Download Onishchukov G., Cvecek K., Sponsel K., Stephan C., Ludwig R., Schubert C., Schmauß B., Leuchs G.: Phase-preserving amplitude regeneration for a WDM RZ-DPSK signal using a nonlinear amplifying loop mirror In: Optics Express 16 (2008), p. 1923-1928 ISSN: 1094-4087 DOI: 10.1364/OE.16.001923 BibTeX: Download Sponsel K., Cvecek K., Stephan C., Onishchukov G., Schmauß B., Leuchs G.: Effective Negative Nonlinearity of a Nonlinear Amplifying Loop Mirror for Compensating Nonlinearity-Incuced Signal Distortions In: Optical Communication, 2008. ECOC 2008. 34th European Conference on 21-25 2008 BibTeX: Download Sponsel K., Cvecek K., Stephan C., Onishchukov G., Schmauß B., Leuchs G.: Influence of Group Velocity Dispersion on phase-preserving Amplitude Regeneration by a Nonlinear Amplifying Loop Mirror Conference on and Quantum Electronics and Laser Science Conference Lasers and Electro-Optics, QELS 2008 (San Jose, CA, May 4, 2008 - May 9, 2008) In: Lasers and Electro-Optics, 2008 and Conference on Quantum Electronics and Laser Science, pages 1-2, 4 - 8 May 2008 DOI: 10.1109/QELS.2008.4552890 BibTeX: Download 2007 Cvecek K., Sponsel K., Ludwig R., Schubert C., Stephan C., Onishchukov G., Schmauß B., Leuchs G.: 2R-Regeneration of an 80-Gb/s RZ-DQPSK signal by a nonlinear amplifying loop mirror In: IEEE Photonics Technology Letters 19 (2007), p. 1475-1477 ISSN: 1041-1135 DOI: 10.1109/LPT.2007.903755 BibTeX: Download Cvecek K., Sponsel K., Stephan C., Ludwig R., Schubert C., Onishchukov G., Schmauß B., Leuchs G.: Phase-Preserving 2R-Regeneration of an 80-Gb/s {RZ-DQPSK}, Signal by Using a Nonlinear Amplifying Loop Mirror ECOC (Berlin, September 16, 2007 - September 20, 2007) In: ECOC September 2007 DOI: 10.1049/ic:20070178 BibTeX: Download Sponsel K., Cvecek K., Stephan C., Onishchukov G., Schmauß B., Leuchs G.: Optimization of a nonlinear amplifying loop mirror for amplitude regeneration in phase-shift-keyed transmission In: IEEE Photonics Technology Letters 19 (2007), p. 1858-1860 ISSN: 1041-1135 DOI: 10.1109/LPT.2007.908739 BibTeX: Download Sponsel K., Cvecek K., Stephan C., Onishchukov G., Schmauß B., Leuchs G.: Phase-Preserving Signal Regeneration by a Nonlinear Amplifying Loop Mirror 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, CLEO (Munich, June 17, 2007 - June 22, 2007) In: Cleo Juni, München: 2007 DOI: 10.1109/CLEOE-IQEC.2007.4386434 BibTeX: Download Sponsel K., Stephan C., Cvecek K., Onishchukov G., Schmauß B., Leuchs G.: DPSK Signal Regeneration Using a Nonlinear Amplifying Loop Mirror OFC/NFOEC 2007 - Optical Fiber Communication and the National Fiber Optic Engineers Conference 2007 (Anaheim, CA, March 25, 2007 - March 29, 2007) In: Conf. Proc. OFC, Paper OThB2, March 2007 DOI: 10.1109/OFC.2007.4348648 BibTeX: Download 2006 Cvecek K., Onishchukov G., Sponsel K., Striegler A., Schmauß B.: Experimental Investigation of a Modified NOLM for Phase-Encoded Signal Regeneration In: IEEE Photonics Technology Letters 18 (2006), p. 1801-1803 ISSN: 1041-1135 DOI: 10.1109/LPT.2006.880754 BibTeX: Download 2005 Cvecek K., Striegler A., Meißner M., Sponsel K., Schmauß B., Leuchs G.: Phase preserving 2R-Regeneration using a nonlinear optical loop mirror 2005 Conference on Lasers and Elctro-Optics Europe (Munich, June 12, 2005 - June 17, 2005) In: Cleo/Europe EQEC Conference, Munich, Germany, June 2005 DOI: 10.1109/CLEOE.2005.1568267 BibTeX: Download Striegler A., Meißner M., Cvecek K., Sponsel K., Leuchs G., Schmauß B.: NOLM based DPSK Signal Regeneration In: IEEE Photonics Technology Letters 17 (2005), p. 639-641 ISSN: 1041-1135 DOI: 10.1109/LPT.2004.842320 BibTeX: Download Striegler A., Meißner M., Cvecek K., Sponsel K., Schmauß B.: All-optical DPSK-Signal-Regeneration based on a NOLM-Setup In: Optical Fiber Technology (2005) ISSN: 1068-5200 DOI: 10.1109/OFC.2005.192674 BibTeX: Download 2004 Meißner M., Sponsel K., Cvecek K., Benz S., Weisser B., Schmauß B., Leuchs G.: 3.9-dB OSNR Gain by an NOLM-Based 2-R Regenerator In: IEEE Photonics Technology Letters 16 (2004), p. 2105-2107 ISSN: 1041-1135 DOI: 10.1109/LPT.2004.833043 BibTeX: Download