Abstract

We present results from a unique burst-mode femtosecond non-collinear optical parametric amplifier (NOPA) under development for the optical - x-ray pump-probe experiments at the European X-Ray Free-Electron Laser Facility. The NOPA operates at a burst rate of 10Hz, a duty cycle of 2.5% and an intra-burst repetition rate of up to 4.5MHz, producing high fidelity 15fs pulses at a center wavelength of 810nm. Using dispersive amplification filtering of the super-continuum seed pulses allows for selectable pulse duration up to 75fs, combined with a tuning range in excess of 100nm whilst remaining nearly transform limited. At an intra-burst rate of 188kHz the single pulse energy from two sequential NOPA stages reached 180µJ, corresponding to an average power of 34W during the burst. Acousto- and electro-optic switching techniques enable the generation of transient free bursts of required length and the selection of arbitrary pulse sequences inside the burst.

© 2014 Optical Society of America

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References

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  1. “Technical Design Report (TDR) of the European XFEL” (Chapter 4: XFEL Accelerator) http://XFEL.desy.de/localfsExplorer_read?currentPath=/afs/desy.de/group/XFEL/wof/EPT/TDR/XFEL-TDR-Ch-4.pdf
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    [Crossref]
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    [Crossref]
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  8. K. Kruse, M. Pergament, M. Kellert, C. Mendez, G. Kulcsar, and M. J. Lederer, “All-fiber 1030nm burst-mode front-end amplifier for the European XFEL pump-probe laser development for the European X-Ray Free-Electron Laser Facility,“ Paper Mo4.5, Ultrafast Optics Conference IX, 04–08 March 2013, Davos.
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    [Crossref]
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    [Crossref]
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2014 (1)

2012 (1)

2011 (1)

2010 (1)

2009 (3)

2003 (1)

G. Cerullo and S. De Silvestri, “Ultrafast optical parametric amplifiers,” Rev. Sci. Instrum. 74(1), 1 (2003).
[Crossref]

1997 (1)

I. N. Ross, P. Matousek, M. Towrie, A. J. Langley, and J. L. Collier, “The prospects for ultrashort pulse duration and ultrahigh intensity using optical parametric chirped pulse amplifiers,” Opt. Commun. 144(1-3), 125–133 (1997).
[Crossref]

1994 (1)

D. N. Nikogosyan, “Lithium Triborate (LBO) a review of its properties and applications,” Appl. Phys., A Mater. Sci. Process. 58(3), 181–190 (1994).
[Crossref]

1992 (1)

A. Dubietis, G. Jonusauskas, and A. Piskarskas, “Powerful femtosecond pulse generation by chirped and stretched pulse parametric amplification in BBO crystal,” Opt. Commun. 88(4-6), 437–440 (1992).
[Crossref]

1991 (1)

D. N. Nikogosyan, “Beta Barium Borate (BBO) a review of its properties and applications,” Appl. Phys., A Mater. Sci. Process. 52(6), 359–368 (1991).
[Crossref]

Baum, P.

M. Bradler, P. Baum, and E. Riedle, “Femtosecond continuum generation in bulk laser host materials with sub-µJ pump pulses,” Appl. Phys. B 97(3), 561–574 (2009).
[Crossref]

Binhammer, T.

Bradler, M.

M. Bradler, P. Baum, and E. Riedle, “Femtosecond continuum generation in bulk laser host materials with sub-µJ pump pulses,” Appl. Phys. B 97(3), 561–574 (2009).
[Crossref]

Bromage, J.

Cerullo, G.

Collier, J. L.

I. N. Ross, P. Matousek, M. Towrie, A. J. Langley, and J. L. Collier, “The prospects for ultrashort pulse duration and ultrahigh intensity using optical parametric chirped pulse amplifiers,” Opt. Commun. 144(1-3), 125–133 (1997).
[Crossref]

De Silvestri, S.

G. Cerullo and S. De Silvestri, “Ultrafast optical parametric amplifiers,” Rev. Sci. Instrum. 74(1), 1 (2003).
[Crossref]

Demmler, S.

Dorrer, C.

Dubietis, A.

A. Dubietis, G. Jonusauskas, and A. Piskarskas, “Powerful femtosecond pulse generation by chirped and stretched pulse parametric amplification in BBO crystal,” Opt. Commun. 88(4-6), 437–440 (1992).
[Crossref]

Emons, M.

Gronloh, B.

Hädrich, S.

Hoffmann, H. D.

Huang, S.-W.

Jocher, C.

Jonusauskas, G.

A. Dubietis, G. Jonusauskas, and A. Piskarskas, “Powerful femtosecond pulse generation by chirped and stretched pulse parametric amplification in BBO crystal,” Opt. Commun. 88(4-6), 437–440 (1992).
[Crossref]

Jungbluth, B.

Kärtner, F. X.

Langley, A. J.

I. N. Ross, P. Matousek, M. Towrie, A. J. Langley, and J. L. Collier, “The prospects for ultrashort pulse duration and ultrahigh intensity using optical parametric chirped pulse amplifiers,” Opt. Commun. 144(1-3), 125–133 (1997).
[Crossref]

Limpert, J.

Mans, T.

Manzoni, C.

Matousek, P.

I. N. Ross, P. Matousek, M. Towrie, A. J. Langley, and J. L. Collier, “The prospects for ultrashort pulse duration and ultrahigh intensity using optical parametric chirped pulse amplifiers,” Opt. Commun. 144(1-3), 125–133 (1997).
[Crossref]

Morgner, U.

Moses, J.

Nikogosyan, D. N.

D. N. Nikogosyan, “Lithium Triborate (LBO) a review of its properties and applications,” Appl. Phys., A Mater. Sci. Process. 58(3), 181–190 (1994).
[Crossref]

D. N. Nikogosyan, “Beta Barium Borate (BBO) a review of its properties and applications,” Appl. Phys., A Mater. Sci. Process. 52(6), 359–368 (1991).
[Crossref]

Palmer, G.

Piskarskas, A.

A. Dubietis, G. Jonusauskas, and A. Piskarskas, “Powerful femtosecond pulse generation by chirped and stretched pulse parametric amplification in BBO crystal,” Opt. Commun. 88(4-6), 437–440 (1992).
[Crossref]

Poprawe, R.

Prandolini, M. J.

Riedel, R.

Riedle, E.

M. Bradler, P. Baum, and E. Riedle, “Femtosecond continuum generation in bulk laser host materials with sub-µJ pump pulses,” Appl. Phys. B 97(3), 561–574 (2009).
[Crossref]

Ross, I. N.

I. N. Ross, P. Matousek, M. Towrie, A. J. Langley, and J. L. Collier, “The prospects for ultrashort pulse duration and ultrahigh intensity using optical parametric chirped pulse amplifiers,” Opt. Commun. 144(1-3), 125–133 (1997).
[Crossref]

Rotarius, G.

Rothhardt, J.

Russbueldt, P.

Schultze, M.

Steinmann, A.

Stephanides, A.

Tavella, F.

Towrie, M.

I. N. Ross, P. Matousek, M. Towrie, A. J. Langley, and J. L. Collier, “The prospects for ultrashort pulse duration and ultrahigh intensity using optical parametric chirped pulse amplifiers,” Opt. Commun. 144(1-3), 125–133 (1997).
[Crossref]

Tünnermann, A.

Weitenberg, J.

Zuegel, J. D.

Appl. Phys. B (1)

M. Bradler, P. Baum, and E. Riedle, “Femtosecond continuum generation in bulk laser host materials with sub-µJ pump pulses,” Appl. Phys. B 97(3), 561–574 (2009).
[Crossref]

Appl. Phys., A Mater. Sci. Process. (2)

D. N. Nikogosyan, “Beta Barium Borate (BBO) a review of its properties and applications,” Appl. Phys., A Mater. Sci. Process. 52(6), 359–368 (1991).
[Crossref]

D. N. Nikogosyan, “Lithium Triborate (LBO) a review of its properties and applications,” Appl. Phys., A Mater. Sci. Process. 58(3), 181–190 (1994).
[Crossref]

Opt. Commun. (2)

A. Dubietis, G. Jonusauskas, and A. Piskarskas, “Powerful femtosecond pulse generation by chirped and stretched pulse parametric amplification in BBO crystal,” Opt. Commun. 88(4-6), 437–440 (1992).
[Crossref]

I. N. Ross, P. Matousek, M. Towrie, A. J. Langley, and J. L. Collier, “The prospects for ultrashort pulse duration and ultrahigh intensity using optical parametric chirped pulse amplifiers,” Opt. Commun. 144(1-3), 125–133 (1997).
[Crossref]

Opt. Express (5)

Opt. Lett. (1)

Rev. Sci. Instrum. (1)

G. Cerullo and S. De Silvestri, “Ultrafast optical parametric amplifiers,” Rev. Sci. Instrum. 74(1), 1 (2003).
[Crossref]

Other (4)

M. J. Lederer, M. Pergament, M. Kellert, and C. Mendez, “Pump–probe laser development for the European X-Ray Free-Electron Laser Facility,“ Paper 8504-20, SPIE Conference on Optics and Photonics 2012, 12–16 August 2012, San Diego, invited talk.

K. Kruse, M. Pergament, M. Kellert, C. Mendez, G. Kulcsar, and M. J. Lederer, “All-fiber 1030nm burst-mode front-end amplifier for the European XFEL pump-probe laser development for the European X-Ray Free-Electron Laser Facility,“ Paper Mo4.5, Ultrafast Optics Conference IX, 04–08 March 2013, Davos.

M. Kellert, K. Kruse, M. Pergament, G. Kulcsar, T. Mans, and M. J. Lederer, “High power femtosecond 1030nm burst-mode front-end and pre-amplifier for the European XFEL pump-probe laser development,“ Poster CA-P.23, Conference on Lasers and Electro-Optics (CLEO) 2013, 12–16 May 2013, Munich.
[Crossref]

“Technical Design Report (TDR) of the European XFEL” (Chapter 4: XFEL Accelerator) http://XFEL.desy.de/localfsExplorer_read?currentPath=/afs/desy.de/group/XFEL/wof/EPT/TDR/XFEL-TDR-Ch-4.pdf

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Figures (8)

Fig. 1
Fig. 1 Schematic of PP-laser prototype; AOM (Acousto-Optical Modulator), PC (Pockels Cell), SHG (Second Harmonic Generation), Φ multi-bounce chirped mirror stretcher, NOPA (Non-collinear Optical Parametric Amplifier). -Φ fused silica compressor.
Fig. 2
Fig. 2 Near field profiles of the pump beams (515nm) on the NOPA crystals surfaces. (a) NOPA I; (b) NOPA II (1/e2, from Gaussian fit)
Fig. 3
Fig. 3 Spectral and beam characteristics of WLC in the spectral region of interest. (a) Spectrum from 5mm YAG, E = 7.2 nJ; (b) spectrum from 6mm KGW, E = 4.6nJ. The insets show the corresponding near-field beam profiles.
Fig. 4
Fig. 4 Characterization of amplified pulses for NOPA I + NOPA II at 188kHz. (a) BBO-NOPA output spectrum (black), spectral phase (red, dotted) and (b) reconstructed temporal pulse shape. (c) LBO-NOPA output power spectrum (black), spectral phase (red, dotted) and (d) reconstructed temporal pulse shape. The insets depict near and far field beam profiles.
Fig. 5
Fig. 5 Characterization of amplified pulses after compression in long pulse mode BBO-NOPA. Intensity autocorrelation with (a) 14 bounces; (b) 30 bounces and (c) 40 bounces; (d) corresponding spectra; (e) tuning curves; (f) power variation upon tuning (40 bounces).
Fig. 6
Fig. 6 Characteristics of the burst. (a) Burst output from the NOPA observed with a fast photo diode; (b) intra-burst spectral scan
Fig. 7
Fig. 7 Intra-burst near-field profile scan (100 µs steps)
Fig. 8
Fig. 8 “Pulse on demand” using the AOM. NOPA I + NOPA II produce 180µJ pulses at 15fs. (a) Cut-out 600µs burst, (b) arbitrarily picked pattern of pulses.

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