TY  - JOUR
AU  - Pajer, Viktor
AU  - Bohus, János
AU  - Malakzadeh Fard Khangheshlaghi, Abdollah
AU  - Lehotai, Levente
AU  - Kalashnikov, Mikhail
AU  - Seres, Imre
AU  - Gilicze, Barnabás
AU  - Kiss, Bálint
AU  - Börzsönyi, Ádám
AU  - Varjú, Katalin
AU  - Szabó, Gábor
AU  - Nagymihály, Roland Sándor
TI  - Systematic comparison of commercial devices for temporal characterization of few-cycle laser pulses in the 500-1000 nm spectral range
JF  - OPTICS EXPRESS
J2  - OPT EXPRESS
VL  - 32
PY  - 2024
IS  - 9
SP  - 15710
EP  - 15722
PG  - 13
SN  - 1094-4087
DO  - 10.1364/OE.509583
UR  - https://m2.mtmt.hu/api/publication/34836411
ID  - 34836411
AB  - We compare multiple temporal pulse characterization techniques in three different pulse duration regimes from 15 fs to sub-5 fs, as there are no available standards yet for measuring such ultrashort pulses. To accomplish this, a versatile post-compression platform was developed, where the 100 fs near infrared pulses were post-compressed to the sub-two-cycle regime in a hybrid, three-stage configuration. After each stage, the duration of the compressed pulse was measured with the d-scan, TIPTOE and SRSI techniques and the retrieved temporal intensity profiles, spectrum and spectral phases were compared. Spectral homogeneity was also measured with an imaging spectrometer to understand the input coupling conditions of the temporal measurements. Our findings suggest that the different devices give similar results in terms of temporal intensity profile, however they are extremely sensitive to alignment and to beam quality, especially in the case of the shortest pulses. We address specific steps of measurement procedures, which paves the way towards the standardization of pulse characterization in the near future.
LA  - English
DB  - MTMT
ER  - 

TY  - CHAP
AU  - Csontos, János
AU  - Tóth, Szabolcs
AU  - Stanislauskas, T.
AU  - Balciunas, I.
AU  - Adamonis, J.
AU  - Lengvinas, D.
AU  - Tóth, László Tamás
AU  - Somoskői, Tamás
AU  - Prasannan Geetha, Prabhash
AU  - Nagymihály, Roland Sándor
AU  - Lopez-Martens, Rodrigo
AU  - Szabó, Gábor
AU  - Varjú, Katalin
AU  - Börzsönyi, Ádám
TI  - Recent Progress of ELI-ALPS SYLOS Systems
T2  - Laser Congress 2023 (ASSL, LAC)
PB  - Optica Publishing Group
CY  - Washington DC
SN  - 9781957171319
PY  - 2023
PG  - 1
DO  - 10.1364/ASSL.2023.AW5A.2
UR  - https://m2.mtmt.hu/api/publication/34859572
ID  - 34859572
N1  - Scopus-ban Conference Paper, de csak egyoldalas, ezért besorolása absztrakt a központi MTMT adminisztrációval történt egyeztetés alapján. (FMK, ELI admin5)
AB  - The SYLOS 1kHz OPCPA systems are the main drivers for attosecond and particle secondary sources at ELI-ALPS. Over the recent years, several upgrades increased their overall performance for the benefit of external user community.
LA  - English
DB  - MTMT
ER  - 

TY  - CHAP
AU  - Nagymihály, Roland Sándor
AU  - Bohus, János
AU  - Pajer, Viktor
AU  - Lehotai, Levente
AU  - Malakzadeh Fard Khangheshlaghi, Abdollah
AU  - Bussiere, B.
AU  - Falcoz, F.
AU  - Kalashnikov, Mikhail
AU  - Varjú, Katalin
AU  - Szabó, Gábor
AU  - Neacsu, C.
AU  - Paul, P.-M.
AU  - Börzsönyi, Ádám
TI  - 25 Hz and 10 Hz operation of the HF-2PW laser of ELI ALPS at the 400 TW level
T2  - Laser Congress 2023 (ASSL, LAC)
PB  - Optica Publishing Group
CY  - Washington DC
SN  - 9781957171319
PY  - 2023
PG  - 2
DO  - 10.1364/ASSL.2023.AM3A.2
UR  - https://m2.mtmt.hu/api/publication/34857048
ID  - 34857048
N1  - Scopus-ban Conference Paper, de csak kétoldalas, ezért besorolása absztrakt a központi MTMT adminisztrációval történt egyeztetés alapján. (FMK, ELI admin5)
AB  - Results on the long-term operation of the HF-2PW laser of ELI ALPS at 2.5 Hz and 10 Hz repetition rates will be presented at the compressed energy of 10 J with <25 fs pulse duration.
LA  - English
DB  - MTMT
ER  - 

TY  - CHAP
AU  - Nagymihály, Roland Sándor
AU  - Pajer, Viktor
AU  - Lehotai, Levente
AU  - Bohus, János
AU  - Malakzadeh Fard Khangheshlaghi, Abdollah
AU  - Kiss, Bálint
AU  - Börzsönyi, Ádám
AU  - Kalashnikov, Mikhail
TI  - Robust post-compression of multi-mJ pulses at 800 nm central wavelength with a single thin YAG plate
T2  - Laser Congress 2023 (ASSL, LAC)
PB  - Optica Publishing Group
CY  - Washington DC
SN  - 9781957171319
PY  - 2023
PG  - 2
DO  - 10.1364/ASSL.2023.ATu1A.4
UR  - https://m2.mtmt.hu/api/publication/34856974
ID  - 34856974
N1  - Scopus-ban Conference Paper, de csak kétoldalas, ezért besorolása absztrakt a központi MTMT adminisztrációval történt egyeztetés alapján. (FMK, ELI admin5)
AB  - 5 mJ, 25 fs laser pulses at 800 nm central wavelength were post-compressed, for the first time, in a single thin YAG plate to 8.3 fs with 3 mJ output energy with high beam quality.
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Nagymihály, Roland Sándor
AU  - Falcoz, Franck
AU  - Bussiere, Benoit
AU  - Bohus, János
AU  - Pajer, Viktor
AU  - Lehotai, Levente
AU  - Ravet-Senkans, Muriel
AU  - Roy, Olivier
AU  - Calvez, Steven
AU  - Mollica, Florian
AU  - Branly, Stephane
AU  - Paul, Pierre-Mary
AU  - Börzsönyi, Ádám
AU  - Varjú, Katalin
AU  - Szabó, Gábor
AU  - Kalashnikov, Mikhail
TI  - The petawatt laser of ELI ALPS: reaching the 700 TW level at 10 Hz repetition rate
JF  - OPTICS EXPRESS
J2  - OPT EXPRESS
VL  - 31
PY  - 2023
IS  - 26
SP  - 44160
EP  - 44176
PG  - 17
SN  - 1094-4087
DO  - 10.1364/OE.509615
UR  - https://m2.mtmt.hu/api/publication/34489471
ID  - 34489471
N1  - ELI ALPS Research Institute, ELI-HU Non-Profit Ltd., Wolfgang Sandner utca 3, Szeged, 6728, Hungary            
            Amplitude, 2-4 rue du Bois Chaland, CE 2926, Evry, 91029, France            
            Export Date: 2 February 2024            
            Funding details: European Regional Development Fund, ERDF, GINOP-2.3.6-15-2015-00001            
            Funding text 1: European Regional Development Fund (GINOP-2.3.6-15-2015-00001). We greatly acknowledge the contribution of Károly Osvay, Vladimir Chvykov, Huabao Cao, Nikita Khodakovskiy, Julien Houzet, Mathieu Paurisse, Alexandre Thai, Catalin Neacsu, Djamel-Dean Braham, Vincent Trubert, Pierrick Leroy, Ivan Delgado, Hugo Caherec, Abdollah Malakzadeh, Árpád Mohácsi, Arnold Farkas, Frederic Estable, David Armier, and Gilles Riboulet to this project.
AB  - Performance of the novel high repetition rate HF-PW laser system of ELI ALPS is presented in its first operation phase at 400 TW and 700 TW levels. Long-term operation was tested at 2.5 and 10 Hz repetition rates, where an exceptional 0.66% and 1.08% shot-to-shot energy stability was demonstrated, respectively. Thorough spatio-spectral and temporal measurements confirmed high quality output pulses with a Strehl ratio of >0.9 after compression at both repetition rates. Amplified pulses with an unprecedentedly high 240 W average power were reached for the first time from a PW-class amplifier chain by using novel pseudo-active mirror disk amplification-based pump lasers.
LA  - English
DB  - MTMT
ER  - 

TY  - CHAP
AU  - Jójárt, Péter
AU  - Seres, Imre
AU  - Bengery, Zsolt Gábor
AU  - Gilicze, Barnabás
AU  - Várallyay, Zoltán Krisztián
AU  - Börzsönyi, Ádám
AU  - Shestaev, Evgeny
AU  - Walther, Nico
AU  - Tschernajew, Maxim
AU  - Grebing, Christian
AU  - Breitkopf, Sven
AU  - Eidam, Tino
AU  - Limpert, Jens
TI  - Status of the ELI-ALPS High Repetition Rate (HR) Laser Systems
T2  - 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
PB  - IEEE
CY  - Online kiadás
SN  - 9798350345995
PY  - 2023
PG  - 1
DO  - 10.1109/CLEO/Europe-EQEC57999.2023.10231605
UR  - https://m2.mtmt.hu/api/publication/34413317
ID  - 34413317
LA  - English
DB  - MTMT
ER  - 

TY  - CHAP
AU  - Nagymihály, Roland Sándor
AU  - Bohus, János
AU  - Pajer, Viktor
AU  - Malakzadeh Fard Khangheshlaghi, Abdollah
AU  - Lehotai, Levente
AU  - Bussiere, Benoit
AU  - Falcoz, Franck
AU  - Ravet-Senkans, Muriel
AU  - Roy, Olivier
AU  - Paul, Pierre-Mary
AU  - Börzsönyi, Ádám
AU  - Varjú, Katalin
AU  - Szabó, Gábor
AU  - Kalashnikov, Mikhail
TI  - First Operation Phase of the 10 Hz 2 PW Laser of ELI ALPS
T2  - 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
PB  - IEEE
CY  - Online kiadás
SN  - 9798350345995
PY  - 2023
PG  - 1
DO  - 10.1109/CLEO/Europe-EQEC57999.2023.10231672
UR  - https://m2.mtmt.hu/api/publication/34413308
ID  - 34413308
LA  - English
DB  - MTMT
ER  - 

TY  - CHAP
AU  - Tóth, Szabolcs
AU  - Seres, Imre
AU  - Lehotai, Levente
AU  - Csontos, János
AU  - Pajer, Viktor
AU  - Farkas, Arnold Péter
AU  - Mohácsi, Árpád
AU  - Börzsönyi, Ádám
AU  - Osvay, Károly
AU  - Nagymihály, Roland Sándor
TI  - Multi-TW Laser Pulses in the Single-Cycle Regime by Single Thin Plate Compression
T2  - 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
PB  - IEEE
CY  - Online kiadás
SN  - 9798350345995
PY  - 2023
PG  - 1
DO  - 10.1109/CLEO/Europe-EQEC57999.2023.10232099
UR  - https://m2.mtmt.hu/api/publication/34413284
ID  - 34413284
LA  - English
DB  - MTMT
ER  - 

TY  - CHAP
AU  - Lehotai, Levente
AU  - Tóth, Szabolcs
AU  - Seres, Imre
AU  - Csontos, János
AU  - Pajer, Viktor
AU  - Börzsönyi, Ádám
AU  - Osvay, Károly
AU  - Nagymihály, Roland Sándor
TI  - Analysis of Wavelength Dependent Wavefront Deformation in Thin Plate Compressors for Energetic Single-Cycle Laser Pulses
T2  - 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
PB  - IEEE
CY  - Online kiadás
SN  - 9798350345995
PY  - 2023
PG  - 1
DO  - 10.1109/CLEO/Europe-EQEC57999.2023.10231733
UR  - https://m2.mtmt.hu/api/publication/34413249
ID  - 34413249
LA  - English
DB  - MTMT
ER  - 

TY  - CHAP
AU  - Csontos, János
AU  - Tóth, Szabolcs
AU  - Stanislauskas, T.
AU  - Balciunas, I.
AU  - Adamonis, J.
AU  - Abromavičius, I.
AU  - Tóth, László Tamás
AU  - Somoskői, Tamás
AU  - Prasannan Geetha, Prabhash
AU  - Abt, Dániel
AU  - Kajla, Barna
AU  - Lopez-Martens, Rodrigo
AU  - Börzsönyi, Ádám
ED  - Bakule, P.
ED  - Haefner, C.L.
ED  - Hein, J.
ED  - Butcher, T.J.
TI  - Recent status of the SYLOS 2 laser system of ELI-ALPS
T2  - High-Power, High-Energy Lasers and Ultrafast Optical Technologies 2023
VL  - 12577
PB  - SPIE
CY  - Bellingham (WA)
SN  - 9781510662742
T3  - Proceedings of SPIE, ISSN 0277-786X ; 12577.
PY  - 2023
PG  - 6
DO  - 10.1117/12.2665699
UR  - https://m2.mtmt.hu/api/publication/34199490
ID  - 34199490
AB  - This manuscript presents the most recent upgrades made on SYLOS2 laser system in ELI-ALPS1. These modifications on the system were done based on the feedback from the experimental end-stations during the last 3 years. First, the long virtual propagation of the super-Gaussian output beam reduced by modifying the imaging telescope after the amplification stages, which significantly improved the beam profile hindered by the propagation-related diffraction pattern. The optical parametric chirped pulse amplification (OPCPA) stages were equipped with new nonlinear crystals which enabled to reach 42 mJ output energy with <8 fs pulse duration, which is 10 mJ more than the previous configuration. To increase the high-harmonic generation (HHG) efficiency a spatial filter was installed in the laser system which provides a nearly Gaussian beam profile at the output with 80% transmission. The spatial filter is based on a glass cone and is operated under vacuum. Currently, >20 mJ, <8 fs CEP-stable pulses are provided at the user stations after the beam transport system. © 2023 SPIE.
LA  - English
DB  - MTMT
ER  -