Presentation is loading. Please wait.

Presentation is loading. Please wait.

GOLF. Summary Group overview Operating laser systems Research and Development Outlook.

Similar presentations


Presentation on theme: "GOLF. Summary Group overview Operating laser systems Research and Development Outlook."— Presentation transcript:

1 GOLF

2 Summary Group overview Operating laser systems Research and Development Outlook

3 Group overview Directeur Ph. Balcou (DR) Adjoints au Directeur H. Bachau (DR) et V. Tikhonchuk (PR) R. Bouilleau (AI) A. Filippov (IE) A. LeGoff (AI) L. Merzeau (T) D. Briand (T) Loic Baucher (IE) Sources X, Plasmas et ions H. Jouin (PR) F. Dorchies (CR) C. Stenz (PR) C. Fourment* S. Hulin* O. Peyrusse* S. Jéquier (MC) B. Pons (PR) J. Santos (MC) Plasmas chauds et denses V. Tikhonchuk (PR) G. Schurtz* J. Breil* B. Dubroca** J.-L. Feugeas* P. Nicolai* M. Olazabal* L. Hallo* P.-H. Maire* X. Ribeyre* E. dHumières (MC) Équipes de Recherche Technologie et support Harmoniques XUV et applications P. Martin (CR) H. Bachau (DR) E. Constant (CR) B. Fabre (MC) G. Geoffroy* Y. Mairesse (CR) E. Mevel (PR) Groupe optique et Lasers femto E. Cormier (MC) D. Descamps* C. Medina (AI) S. Montant* S. Petit (IR) Groupe PEPSI L. Hallo* C. Fourment* G. Geoffroy* G. Malka (MC) Ph. Alasimone (T) Secrétariat / Gestion S. Aussel (T) M. Mondolfi (T) F. Catelle*** M à D AlphaNov : J. Lopez (IR)

4 Group members: permanent staff Eric Cormier A. Prof., HDR Dominique Descamps CEA Engineer Capucine Médina CNRS AI Sébastien Montant CEA Engineer Stéphane Petit CNRS IR

5 Group members : Postdocs and Phd Students Loic Meignien Johan Boullet François Labaye Coralie Fourcade-DutinMarie-Christine Nadeau Julien NillonGuillaume Machinet Christophe Hazera

6 Group responsibilities I) Operate and develop the laser infrastructures II) Research and development in optics and lasers: ultrafast and ultrashort sources

7 Group Structure Laser systems maintenance and evolution Research and developments in optics and lasers Dominique 70 % 30 % Capucine 80 % 20 % Stéphane 70 % 30 % Eric 50 % Sébastien 100 % Man power : 2.2 Man power (permanent): 2.3 Postdocs (2) And Phd (6) Total man power : 10.3

8 Summary Group overview Laser infrastructures Research and Development Outlook

9 Laser infrastructures Group missions Daily operation of Aurore (1 kHz) and Eclipse (10 Hz) laser facilities Install online diagnostics for permanent monitoring Upgrade the laser performances (COLA project) Access: National (5 weeks/year) European (8 weeks/year) Human resources and beamtime Move to new building Aurore upgrade (2 beams) Eclipse operating (2 beams at 10 Hz) Eclipse under construction

10 Aurore facility PC Picker 1 nJ-270 ps PC Cleaner Ti:sapphire oscillator 20 fs Nd:YLF 1 kHz 15W Regenerative amplifier 1.8 mJ 180 ps 7 mJ-35 fs 1 kHz Öffner strecher Nd:YLF 1 kHz 29W Nd:YLF 1 kHz 29W Nd:YLF 1 kHz 29W Nd:YLF 1 kHz 29W 7 mJ-35 fs 1 kHz Cryogenic multipass amplifier Laser specifications: - Repetition rate : 1 kHz - Bandwidth : 30 nm 810 nm - Pulse duration : 35 fs FWHM - Energy : 2 x 7 mJ - Temporal contrast : Prepulse at 8 ns ~ ASE level ~ Intensity on target : W/cm 2 (with f=200 mm) - Energy stability : ± 1,4% rms shot to shot 22 mJ 1 kHz TOPAS ( m) 600 J-50 fs 1 kHz Compressor Laser room + 3 Experimental areas

11 Eclipse facility Laser specifications: - Repetition rate : 10 Hz - Bandwidth : 28 nm 812 nm - Pulse duration : 40 fs FWHM - Energy : 170 mJ - Temporal contrast : Prepulse at 12 ns ~ ASE level ~ Intensity on target : W/cm 2 (with f=250 mm) - Energy stability : ± 5,1% rms shot to shot Multipass amplifier PC cleaner Ti: sapphire oscillator 20 fs Nd:YAG 100Hz 4W Regenerative amplifier Multipass amplifier 1 mJ 8 mJ Nd:YAG 10Hz 10 W 300 mJ 10 Hz Öffner strecher PC picker 1 nJ-270 ps Laser room + 3 Experimental areas 5 mJ-40 fs 100 Hz 170 mJ*-40 fs 10 Hz Compressor in air Compressor under vacuum *present configuration 2 beams of 85 mJ

12 GOLF impact on the other groups TW systems are the heart of the experimental research at CELIA We manage now to provide distributed beam lines allowing 5 to 6 experiments in parallel High productivity of the experimental groups relies on our ability to reliably run the systems on a daily basis Future CELIA laser sources will emerge from our reseach High implication of 3 out of the 5 members of the group High pressure on the group members

13 Summary Group overview Laser infrastructures Research and Development Outlook

14 Research areas and strategy Fiber Fiber lasers and amplifiers: fs, ps, ns and cw Bulk Bulk Ti:Sapphire and new materials Non linear Non linear optics: OPA/OPCPA Post-compression Diagnostics Diagnostics: Spider, FROG, wavefront, contrast Applications Applications: 1 MHz External Fabry Pérot cavity enhancement Ultrafast micro machining Tunable IR sources (600nm – 2.5 µm) Tunable HHG Highly non-linear fiber characterization … Future CELIA facilities

15 Research axis Ultrashort pulses Ultra high repetition rate

16 Research axis Ultrashort pulses Ultra high repetition rate Post Compres. OPCPA Fiber lasers fs FP Cavity ps ns cw bulk

17 Research axis Ultrashort pulses Ultra high repetition rate Post Compres. OPCPA 10 mJ 10 fsLow energy Octave span. 10fs 100kHz CEP self stab. Fiber lasers fs FP Cavity ps ns cw bulk HHG µ machining 30 W 270 fs 100 W,977nm 1mJ,977nm X-ray Polar. -ray

18 Research axis Ultrashort pulses Ultra high repetition rate Post Compres. OPCPA 10 mJ 10 fsLow energy Octave span. 10fs 100kHz CEP self stab. Fiber lasers fs FP Cavity ps ns cw bulk HHG µ machining 30 W 270 fs 100 W,977nm 1mJ,977nm X-ray Polar. -ray WR Int. Col., WR Pat. WR, Pat. Indus. Int. Col. Indus. WR

19 Research axis Ultrashort pulses Ultra high repetition rate Post Compres. OPCPA 10 mJ 10 fsLow energy Octave span. 10fs 100kHz CEP self stab. Fiber lasers fs FP Cavity ps ns cw bulk HHG µ machining 30 W 270 fs 100 W,977nm 1mJ,977nm X-ray Polar. -ray WR Int. Col., WR Pat. WR, Pat. Indus. Int. Col. Indus. WR Spin off company Product line of Amplitude Systèmes Societal applications

20 #1 High energy post-compression using gas ionization Gas ionization = plasma creation : time evolution of free electron density (ne) Temporal phase : new frequencies Broadened and blue-shifted spectrum ADK model P=1 mbar He I= W/cm 2 (40 fs) L=40 cm 0% 100% 30fs ne= e/cm 3

21 #1 High energy post-compression using gas ionization Coupling efficiency 36% He gas E in = 70 mJ E out = 25.6 mJ (without gas) Propagation in the capillary ( Φcapillary = 420 µm ) 40cm Intensity in the capillary : W/cm 2 Spectrum at different He pressure Output energy and pulse duration 11.4 fs 13.7 mJ Coll. XUV Group

22 #2 Ultra high repetition rate HHG Up to 30 W 280 fs 100 KHZ – 1 MHz Fiber CPA system Gas jet XUV grating CCD Camera Fiber laser system Tight focusing chamber

23 #2 Ultra high repetition rate HHG 33.2 nm 1 MHz 68.7 nm FWHM = 280 fs M 2 = kHz Rod type fibers

24 #2 Ultra high repetition rate HHG First demonstration of HHG driven by a FCPA system Coherent radiation down to 33 nm (40 eV) XUV pulses at rep. rate up to 1 MHz System is tunable from 100 kHz to 1 MHz System perfectly adapted for pump probe experiments Move synchrotron based applications to table top experiments Revisit the Ti:sapph based HHG experiments at MHz repetition rates Patent pending

25 #3 Few cycles pulses at 100 KHz Strong driving laser: Yb Fiber Post-compression Capillary = 50 fs OPA/NOPA/OPCPA = nm E = 0.01 – 100 µJ = 200 nm < 10 fs High repetition rate High intensity Few cycle pulses CEP stabilized Fiber pumped OPCPA

26 #3 Few cycles pulses at 100 KHz CEP stabilized Modelocked source Signal stretcher Yb Fiber CPA pump Parametric amplifiers Compressor Rainbow 7 fs Ti:Sapph Oscillator dB CEP stabilized Signal Pump

27 #3 Few cycles pulses at 100 KHz Spectrum Duration 68 nm amplified 720 nm 11 fs (3.6 cycles) fs field fs nm

28 Summary Group overview Laser infrastructures Research and Development Outlook

29 Laser infrastructures Aurore (1 KHz) 3 x 8 mJ or 1 x 25 mJ Increase average power up to 35 W (additional Ti:sapphire amplifier) 3 x 8 mJ or 1 x 25 mJ (2010) 1 TW – 1 kHz Reduce pulse duration down to 25 fs (new oscillator + spectral filter + dazzler) 1 TW – 1 kHz laser (2010) Few cycle pulses at 2 µm using post-compression of TOPAS system (2010) Eclipse (10 Hz) Improve energy stability (stabbler) (2010) Temporal contrast enhancement up to (XPW filter+double CPA) (2012) Reduce pulse duration down to 30 fs (spectral filter + Dazzler) (2012)

30 Research and Developments High energy CEP stabilized OPCPA High brightness optical pumping of Yb CEP stabilized few cycles at 100 KHz (Solstice) Fiber lasers at 2 µm Passive FP cavities X-rays and -rays via Compton scattering

31 -ray production -ray production e-e- h (1)Low emittance e- source KEK (2) High finesse FP cavity LAL (3) High power laser fiber CELIA

32 -ray production -ray production 54 m 30 m Beam Energy 1.28GeV Beam Size 100μm×10μm Emittance 1.0x10 -9 rad.m 1.0x rad.m (Ultra Low !!) Fiber laser and FP cavity

33 Technology transfer

34 Group overview (extra) Group members turn over

35 Contracts Total : 3 M

36 Scientific production Active permanent man power dedicated to research: 2.3 ACL / man power = 17 papers / per person


Download ppt "GOLF. Summary Group overview Operating laser systems Research and Development Outlook."

Similar presentations


Ads by Google