Znanstveni sodelavec

Naslov:	Univerza v Ljubljani Fakulteta za strojništvo Aškerčeva 6 SI-1000 Ljubljana Slovenia
E-pošta:	peter.gregorcic@fs.uni-lj.si
Telefon:	+386 1 477 1 172
Soba:	804 (v nadstropju nad jedilnico)
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Bibliografija:	COBISS bibliografija | SICRIS profil

  Objave | Patenti | Vabljena predavanja | Nagrade | Youtube kanal

Raziskovalni projekt
Follow @SurfaceApps_rp

2021-2024	Inženiring inovativnih in pametnih hibridnih materialov prihodnosti z združevanjem lasersko funkcionaliziranih kovinskih površin in živih celic (LaserInSMArT), raziskovalni ARRS projekt,  vodja projekta
2019-2022	Lasersko mikro in nanostrukturiranje za razvoj biomimetičnih kovinskih površin z edinstvenimi lastnostmi (LaMiNaS), raziskovalni ARRS projekt (J2-1741),  vodja projekta
2019-2022	Nova biorazgradljiva Fe-Mn zlitina izdelana z konvencionalnim postopkom in s postopkom dodajnih tehnologij s prilagojeno biorazgradljivostjo, raziskovalni ARRS projekt (J2-1729), vodja projekta na Fakulteti za strojništvo (vodja projekta: Dr. Matjaž Godec)
2017-2020	Funkcionalizacija površin z nanosekundnim vlakenskim laserjem (nsFLaT), SPI Lasers Ltd., vodja projekta

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Področja raziskav

+	Laserski inženiring površin
+	Funkcionalizacija površin
+	Interakcija svetloba-snov
+	Laserska ablacija v kapljevinah
+	Laserske obdelave materialov
+	Laserji v medicini

Izbrane objave

[2023]	M. Senegačnik & P. Gregorčič, Diffraction-driven laser surface nanostructuring: Towards patterning with curved periodic surface structures, Appl. Surf. Sci. 610, 155486 (2023)  DOI: 10.1016/j.apsusc.2022.155486 | [Eksperimentalni podatki]
[2022]	L. Hribar, P. Gregorčič, M. Senegačnik, M.Jezeršek, The Influence of the Processing Parameters on the Laser-Ablation of Stainless Steel and Brass during the Engraving by Nanosecond Fiber Laser, Nanomaterials 12, 232 (2021) DOI: 10.3390/nano12020232
+	M. Zupančič, P. Gregorčič, M. Bucci, C. Wang, G. M. Aguiar, M. Bucci, The wall heat flux partitioning during the pool boiling of water on thin metallic foils, Appl. Therm. Eng., 2021.  DOI: 10.1016/j.applthermaleng.2021.117638 | [Eksperimntalni podatki]
[2021]	M. Zupančič & P. Gregorčič, Laser Surface Engineering for Boiling Heat Transfer Applications, v  Materials with Extreme Wetting Properties: Methods and Emerging Industrial Applications, Springer International Publishing, Cham, 2021, pp. 245-303.  DOI: 10.1007/978-3-030-59565-4_12 | [Tiskovno sporočilo]
+	M. Senegačnik, K. Kunimoto, S. Yamaguchi, K. Kimura, T. Sakka, P. Gregorčič, Dynamics of laser-induced cavitation bubble during expansion over sharp-edge geometry submerged in liquid – an inside view by diffuse illuminations, Ultrason. Sonochem. (2021) DOI: 10.1016/j.ultsonch.2021.105460 | [Eksperimentalni podatki] | [Tiskovno sporočilo]
+	P. Gregorčič, Comment on “Bioinspired Reversible Switch between Underwater Superoleophobicity/Superaerophobicity and Oleophilicity/Aerophilicity and Improved Antireflective Property on the Nanosecond Laser-Ablated Superhydrophobic Titanium Surfaces”, ACS Appl. Mater. Inter. 13, 2117 (2020) DOI: 10.1021/acsami.9b23462 | [Tiskovno sporočilo]
[2020]	M. Hočevar, B. Šetina Batič, M. Godec, V. Kononenko, D. Drobne, P. Gregorčič, The interaction between the osteosarcoma cell and stainless steel surface, modified by high-fluence, nanosecond laser pulses, Surf. Coat. Techn. 394, 125878 (2020) DOI: 10.1016/j.surfcoat.2020.125878 | [Tiskovno sporočilo]
+	M. Može, M. Senegačnik, P. Gregorčič, M. Hočevar, M. Zupančič, I. Golobič, Laser-Engineered Microcavity Surfaces with a Nanoscale Superhydrophobic Coating for Extreme Boiling Performance, ACS Appl. Mater. Interfaces 12, 24419 (2020) DOI: 10.1021/acsami.0c01594 | [Tiskovno sporočilo]
+	M. Petkovšek, M. Hočevar, P. Gregorčič, Surface functionalization by nanosecond-laser texturing for controlling hydrodynamic cavitation dynamics, Ultrason. Sonochem. 67, 105126 (2020) DOI: 10.1016/j.ultsonch.2020.105126 | [Tiskovno sporočilo]
+	M. Senegačnik, M. Jezeršek, P. Gregorčič, Propulsion effects after laser ablation in water, confined by different geometries, Appl. Phys. A 126, 136 (2020) DOI:10.1007/s00339-020-3309-y
[2019]	P. Zakšek, M. Zupančič, P. Gregorčič, I. Golobič, Investigation of Nucleate Pool Boiling of Saturated Pure Liquids and Ethanol-Water Mixtures on Smooth and Laser-Textured Surfaces, Nanosc. Microsc. Therm. 24, 29 (2019) DOI: 10.1080/15567265.2019.1689590
+	M. Conradi, T. Sever, P. Gregorčič, A. Kocijan, Short- and Long-Term Wettability Evolution and Corrosion Resistance of Uncoated and Polymer-Coated Laser-Textured Steel Surface, Coatings 9, 592 (2019) DOI: 10.3390/coatings9090592
+	M. Može, M. Zupančič, M. Hočevar, I. Golobič, P. Gregorčič, Surface chemistry and morphology transition induced by critical heat flux incipience on laser-textured copper surfaces, Appl. Surf. Sci. 490, 220 (2019) DOI: 10.1016/j.apsusc.2019.06.068
+	M. Senegačnik, M. Hočevar, P. Gregorčič, Influence of processing parameters on characteristics of laser-induced periodic surface structures on steel and titanium, Procedia CIRP 81, 99 (2019) DOI: 10.1016/j.procir.2019.03.018
+	J. S. Hoppius, S. Maragkaki, A. Kanitz, P. Gregorčič, E. L. Gurevich, Optimization of femtosecond laser processing in liquids, Appl. Surf. Sci. 467-468, 255 (2019) DOI: 10.1016/j.apsusc.2018.10.121
[2018]	P. Gregorčič, M. Zupančič, I. Golobič, Scalable Surface Microstructuring by a Fiber Laser for Controlled Nucleate Boiling Performance of High- and Low-Surface-Tension Fluids, Sci. Rep. 8, 7461 (2018) DOI: 10.1038/s41598-018-25843-5
+	J. Laloš, P. Gregorčič, M. Jezeršek, Observation of laser-induced elastic waves in agar skin phantoms using a high-speed camera and a laser-beam-deflection probe, Biomed. Opt. Express 9, 1893 (2018) DOI: 10.1364/BOE.9.001893
+	P. Gregorčič, M. Conradi, L. Hribar, M. Hočevar, Long-Term Influence of Laser-Processing Parameters on (Super)hydrophobicity Development and Stability of Stainless-Steel Surfaces, Materials 11, 2240 (2018) DOI: 10.3390/ma11112240
+	J. Voglar, P. Gregorčič, M. Zupančič, I. Golobič, Boiling performance on surfaces with capillary-length-spaced one- and two-dimensional laser-textured patterns, Int. J. Heat. Mass. Tran. 127, 1188-1196 (2018) DOI: 10.1016/j.ijheatmasstransfer.2018.07.056
+	Č. Donik, A. Kocijan, I. Paulin, M. Hočevar, P. Gregorčič, M. Godec, Improved biodegradability of Fe–Mn alloy after modification of surface chemistry and topography by a laser ablation, Appl. Surf. Sci. 453, 383-393 (2018) DOI: 10.1016/j.apsusc.2018.05.066
+	M. Conradi, A. Drnovšek, P. Gregorčič, Wettability and friction control of a stainless steel surface by combining nanosecond laser texturing and adsorption of superhydrophobic nanosilica particles, Sci. Rep. 8, 7457 (2018) DOI: 10.1038/s41598-018-25850-6
[2017]	P. Gregorčič, B. Šetina-Batič, M. Hočevar, Controlling the stainless steel surface wettability by nanosecond direct laser texturing at high fluences, Appl. Phys. A 123, 766 (2017) DOI: 10.1007/s00339-017-1392-5
+	M. Zupančič, M. Može, P. Gregorčič, A. Sitar, I. Golobič, Evaluation of enhanced nucleate boiling performance through wall-temperature distributions on PDMS-silica coated and non-coated laser textured stainless steel surfaces, Int. J. Heat. Mass. Tran. 111, 419 (2017) DOI: 10.1016/j.ijheatmasstransfer.2017.03.128
+	U. Trdan, M. Hočevar, P. Gregorčič, Transition from superhydrophilic to superhydrophobic state of laser textured stainless steel surface and its effect on corrosion resistance, Corros. Sci. 123, 21 (2017) DOI: 10.1016/j.corsci.2017.04.005
+	M. Sedlaček, P. Gregorčič, B. Podgornik, Use of the Roughness Parameters Ssk and Sku to Control Friction—A Method for Designing Surface Texturing, Tribol. T. 60, 260 (2017) DOI: 10.1080/10402004.2016.1159358
+	M. Feinaeugle, P. Gregorčič, D. J. Heath, B. Mills, R. W. Eason, Time-resolved imaging of flyer dynamics for femtosecond laser-induced backward transfer of solid polymer thin films, Appl. Surf. Sci. 396, 1231 (2017) DOI: 10.1016/j.apsusc.2016.11.120
+	M. Zupančič, M. Može, P. Gregorčič, I. Golobič, Nanosecond laser texturing of uniformly and non-uniformly wettable micro structured metal surfaces for enhanced boiling heat transfer, Appl. Surf. Sci. 399, 480 (2017) DOI: 10.1016/j.apsusc.2016.12.120
[2016]	P. Gregorčič, N. Lukač, J. Možina, M. Jezeršek, Synchronized delivery of Er:YAG-laser pulses into water studied by a laser beam transmission probe for enhanced endodontic treatment, Appl. Phys. A 122, 459 (2016) DOI: 10.1007/s00339-016-9970-5
+	G. Hawlina, B. Drnovšek-Olup, J. Možina, P. Gregorčič, Photodisruption of a thin membrane near a solid boundary: an in vitro study of laser capsulotomy, Appl. Phys. A 122, 118 (2016) DOI: 10.1007/s00339-016-9648-z
+	M. S. Rabasović, D. Šević, N. Lukač, M. Jezeršek, J. Možina, P. Gregorčič, Evaluation of laser-induced thin-layer removal by using shadowgraphy and laser-induced breakdown spectroscopy, Appl. Phys. A 122, 186 (2016) DOI: 10.1007/s00339-016-9697-3
+	N. Lukač, P. Gregorčič, M. Jezeršek, Optodynamic Phenomena During Laser-Activated Irrigation Within Root Canals, Int. J. Thermophys. 37, 66  (2016) DOI: 10.1007/s10765-016-2071-z
+	P. Gregorčič, N. Lukač, J. Možina, M. Jezeršek, Synchronized delivery of Er:YAG-laser pulses into water studied by a laser beam transmission probe for enhanced endodontic treatment, Appl. Phys. A 122, 459 (2016) DOI: 10.1007/s00339-016-9970-5
+	A. Matsumoto, A. Tamura, A. Kawasaki, T. Honda, P. Gregorčič, N. Nishi, K. Amano, K. Fukami, and T. Sakka, Comparison of the overall temporal behavior of the bubbles produced by short- and long-pulse nanosecond laser ablations in water using a laser-beam-transmission probe, Appl. Phys. A 122, 234 (2016) DOI: 10.1007/s00339-016-9755-x
+	N. Lukač, J. Zadravec, P. Gregorčič, M. Lukač, M. Jezeršek, Wavelength dependence of photon-induced photoacoustic streaming technique for root canal irrigation, J. Biomed. Opt. 21, 075007 (2016) DOI: 10.1117/1.JBO.21.7.075007
+	P. Gregorčič, N. Lukač, J. Možina, M. Jezeršek, In vitro study of the erbium:yttrium aluminum garnet laser cleaning of root canal by the use of shadow photography, J. Biomed. Opt. 21, 015008 (2016) DOI: 10.1117/1.JBO.21.1.015008
+	P. Gregorčič, M. Sedlaček, B. Podgornik, J. Reif, Formation of laser-induced periodic surface structures (LIPSS) on tool steel by multiple picosecond laser pulses of different polarizations, Appl. Surf. Sci. 387, 698 (2016) DOI: 10.1016/j.apsusc.2016.06.174
[2015]	M. Zupančič, M. Steinbücher, P. Gregorčič, I. Golobič, Enhanced pool-boiling heat transfer on laser-made hydrophobic-superhydrophilic polydimethysiloxane-silica patterned surfaces, Appl. Therm. Eng. 91, 288 (2015) DOI: 10.1016/j.applthermaleng.2015.08.026
+	J. Pribošek, P. Gregorčič, J. Diaci, Automating shockwave segmentation in low-contrast coherent shadowgraphy, Mach. Vision Appl. 26, 485 (2015) DOI: 10.1007/s00138-015-0683-0
[2014]	G. Hawlina, D. Perovšek, B. Drnovšek-Olup, J. Možina, P. Gregorčič, Optical coherence tomography for an in-vivo study of posterior-capsule-opacification types and their influence on the total-pulse energy required for Nd:YAG capsulotomy: a case series, Bmc Ophthalmol. 14, 131 (2014) DOI: 10.1186/1471-2415-14-131
+	D. Vegelj, B. Zajec, P. Gregorčič, J. Možina, Adaptive Pulsed-Laser Welding of Electrical Laminations, Strojniški Vestnik-J. Mech. Eng. 60, 106 (2014) DOI: 10.5545/sv-jme.2013.1407
+	P. Gregorčič, J. Zadravec, J. Možina, M. Jezeršek, Optodynamic energy conversion efficiency during laser ablation on metal surfaces measured by shadow photography, Appl. Phys. A 117, 353 (2014) DOI: 10.1007/s00339-014-8412-5
[2013]	T. Požar, P. Gregorčič, J. Možina, Interferometric determination of the high-intensity laser-pulse-material interaction site, Appl. Phys. A 112, 165 (2013) DOI: 10.1007/s00339-012-7229-3
+	P. Gregorčič, J. Diaci, J. Možina, Two-dimensional measurements of laser-induced breakdown in air by high-speed two-frame shadowgraphy, Appl. Phys. A 112, 49 (2013) DOI: 10.1007/s00339-012-7173-2
+	B. Cencič, P. Gregorčič, J. Možina, M. Jezeršek, Laser tattoo removal as an ablation process monitored by acoustical and optical methods, Appl. Phys. A 112, 65 (2013) DOI: 10.1007/s00339-012-7203-0
+	T. Požar, P. Gregorčič, J. Možina, Interferometric determination of the high-intensity laser-pulse-material interaction site, Appl. Phys. A 112, 165 (2013) DOI: 10.1007/s00339-012-7229-3
[2012]	P. Gregorčič, M. Jezeršek, J. Možina, Optodynamic energy-conversion efficiency during an Er:YAG-laser-pulse delivery into a liquid through different fiber-tip geometries, J. Biomed. Opt. 17, 075006 (2012) DOI: 10.1117/1.JBO.17.7.075006
[2011]	T. Požar, P. Gregorčič, J. Možina, A precise and wide-dynamic-range displacement-measuring homodyne quadrature laser interferometer, Appl. Phys. B 105, 575 (2011) DOI: 10.1007/s00340-011-4512-5
+	P. Gregorčič, J. Možina, High-speed two-frame shadowgraphy for velocity measurements of laser-induced plasma and shock-wave evolution, Opt. Lett. 36, 2782 (2011) DOI: 10.1364/OL.36.002782
+	T. Požar, P. Gregorčič, J. Možina, Optimization of displacement-measuring quadrature interferometers considering the real properties of optical components, Appl. Optics 50, 1210 (2011) DOI: 10.1364/AO.50.001210
+	P. Gregorčič, A. Babnik, J. Možina, Variable high-energy-laser attenuator based on the interference on a transparent plate, Appl. Phys. B 105, 607 (2011) DOI: 10.1007/s00340-011-4500-9
[2010]	P. Gregorčič, T. Požar, J. Možina, Phase-shift error in quadrature-detection-based interferometers, Proc. SPIE 7726, 77260X (2010) DOI: 10.1117/12.854759
+	P. Gregorčič, A. Babnik, J. Možina, Interference effects at a dielectric plate applied as a high-power-laser attenuator, Opt. Express 18, 3871(2010) DOI: 10.1364/OE.18.003871
[2009]	T. Požar, P. Gregorčič, J. Možina, Optical measurements of the laser-induced ultrasonic waves on moving objects, Opt. Express 17, 22906 (2009) DOI: 10.1364/OE.17.022906
+	P. Gregorčič, T. Požar, J. Možina, Quadrature phase-shift error analysis using a homodyne laser interferometer, Opt. Express 17, 16322 (2009) DOI: 10.1364/OE.17.016322
[2008]	P. Gregorčič, R. Petkovšek, J. Možina, G. Močnik, Measurements of cavitation bubble dynamics based on a beam-deflection probe, Appl. Phys. A 93, 901 (2008) DOI: 10.1007/s00339-008-4751-4
[2007]	P. Gregorčič, J. Možina, Optodynamic characterization of laser-induced bubbles, Act. Phys. Pol. A 112, 1137 (2007) DOI: 10.12693/APhysPolA.112.1137
+	P. Gregorčič, R. Petkovšek, J. Možina, Investigation of a cavitation bubble between a rigid boundary and a free surface, J. Appl. Phys. 102, 094904 (2007) DOI: 10.1063/1.2805645
+	R. Petkovšek, P. Gregorčič, A laser probe measurement of cavitation bubble dynamics improved by shock wave detection and compared to shadow photography, J. Appl. Phys. 102, 044909 (2007) DOI: 10.1063/1.2774000
+	R. Petkovšek, P. Gregorčič, J. Možina, A beam-deflection probe as a method for optodynamic measurements of cavitation bubble oscillations, Meas. Sci. Technol. 18, 2972 (2007) DOI: 10.1088/0957-0233/18/9/030

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Patenti

+	N. Lukač, M. Lukač, M. Jezeršek, P. Gregorčič, Cleaning system, EP3127502 (B1), vložen: 3.8.2015, podeljen: 20.3.2019
+	A. Vrečko, B. Vedlin, J. Jakiša, P. Gregorčič, Ophthalmic laser device, EP3068355 (B1), vložen: 11.11.2013, podeljen: 11.10.2017

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Vabljena predavanja

2019:	M. Senegačnik, M. Hočevar, B. Šetina Batič, P. Gregorčič: Laser-induced periodic surface structures: Characteristics of oxide layer after ns and ps laser texturing [Keynote talk], 9th International LIPSS Workshop, Ljubljana, Slovenija
2018:	P. Gregorčič: Laser Surface Engineering: An Approach by Nanosecond-Laser Texturing [Invited lecture], Kyoto Unversity, Kyoto, Japonska
2018:	P. Gregorčič: Surface engineering by using nanosecond laser pulses [Invited lecture], Ruhr-Universität Bochum, Bochum, Nemčija
2018:	P. Gregorčič: Surface engineering by a nanosecond laser texturing [Invited lecture], Departement de Física Aplicada, Universitat de Barcelona, Barcelona, Španija
2017:	P. Gregorčič: Laser texturing – a flexible and efficient tool for producing surfaces with superior wetting properties [Invited talk], 25th International Conference on Materials and Technology, Portotož, Slovenija
2017:	Č. Donik, A. Kocjan, I. Paulin, M. Hočevar, P. Gregorčič, M. Godec: The new approach in surface preparation of the biodegradable FeMn alloys [Invited talk], 25th International Conference on Materials and Technology, Portotož, Slovenija
2017:	M. Zupančič, P. Gregorčič, I. Golobič: Scalable microstructuring for controlled heat and mass transfer [Keynote talk], 7th international LIPPS Workshop, Cottbus, Nemčija
2015:	P. Gregorčič, M. Jezeršek, J. Možina: Optodynamics in medical laser applications [Invited talk], LAMP2015, Kitakyushu, Japonska
2013:	P. Gregorčič, J. Možina: Recent non-contact observations of optodynamic phenomena in medicine [Invited talk], Faculty for physics, Belgrade, Srbija

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Strokovna združenja

+	Photonics 21: WG2: Industrial Manufacturing and Quality, član (2014– )
+	Photonics 21: WG3: Life Science and Health, član (2014– )
+	ACS (American Chemical Society), član
+	OSA (The Optical Society of America), član
+	SPIE (The international society for optics and photonics), član
+	Mechanical Engineering World, član uredniškega odbora (2015– )
+	Photonics & Lasers in Medicine, član uredniškega odbora (2013–2016)
+	Posebna številka revije Nanomaterials: “Laser Surface Functionalization on Nanomaterials“, gostujoči urednik (2020-2021)

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Nagrade in priznanja

2018:	Priznanje za posebne dosežke na področju mladinske raziskovalne dejavnosti v letu 2018, Mestna občina Ljubljana
2018:	Zlato priznanje za mentorstvo zmagovalne raziskovalne naloge na področju Astronmija in Fizika z naslovom Lasersko pospeševanje snovi., 52, Srečanje mladih raziskovalcev Slovenije, Zveza za tehnično kulturo Slovenije
2014:	Zlati znak Jožefa Stefana za odmevno doktorsko delo, Institut Jožef Stefan, Ljubljana, Slovenija
2012:	Priznanje za kakovostne publikacije, Fakulteta za strojništvi, Univerza v Ljubljani
2011:	Nagrada za prispevek k trajnostnemu razvoju družbe za leto 2010, Javni sklad RS za razvoj kadrov in štipendije, Ljubljana, Slovenija
2007:	Priznanje Fakultete za strojništvo za uspešno predstavitev znanstvenoraziskovalnega dela v mednarodnem prostoru v letu 2007, Fakulteta za strojništvo, Univerza v Ljubljani
2007:	Prešernova nagrada za diplomsko delo, Fakulteta za matematiko in fiziko, Univerza v Ljubljani

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Recenzent

+	ACS Omega
+	Adv. Mater. Sci. Eng.
+	AIP Advances
+	Applied Physics A
+	Applied Physics Letters
+	Applied Surface Science
+	Biomedical Optics Express
+	Carbon
+	Coatings
+	Colloids and Surfaces A
+	Experimental Thermal and Fluid Science
+	Journal of Applied Physics
+	Journal of Biomedical Optics
+	Journal of Physics D: Applied Physics
+	Materials and Technology
+	Measurement Science and Technology
+	Nanomaterials
+	Optical Materials Express
+	Optics and Lasers in Engineering
+	Optics & Laser Technology
+	Optics Express
+	Optics Letters
+	Review of Scientific Instruments
+	Sensors
+	Surface and Coatings Technology

Youtube Kanal: SurfaceApps

+	P. Gregorčič, The pulse energy: a combination of an average power and a repetition rate, YouTube predavanje, 2019
+	P. Gregorčič, M. Senegačnik, Surface coloration by laser-induced periodic surface structures (LIPSS), YouTube predavanje, 2019

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Stran posodobljena: 1. decembra 2022