Abstract

We report on a 2.0 PW femtosecond laser system at 800 nm based on the scheme of chirped pulse amplification using Ti:sapphire crystals, which is the highest peak power ever achieved from a femtosecond laser system. Combining the index-matching cladding technique and the precise control of the time delay between the input seed pulse and pump pulses, the parasitic lasing in the final booster amplifier is effectively suppressed at the pump energy of 140 J at 527 nm. The maximum output energy from the final amplifier is 72.6 J, corresponding to a conversion efficiency of 47.2% from the pump energy to the output laser energy. The measured spectral width of the amplified output pulse from the final amplifier is 60.8 nm for the full width at half-maximum (FWHM) by controlling the spectral evolution in the amplifier chain, and the recompressed pulse duration is 26.0 fs. The technology of cross-polarized wave (XPW) is applied in a broadband front-end, and the pulse contrast is improved to ~1.5 × 10−11 (−100 ps before the main pulse) which is measured at 83 TW power level with a repetition rate of 5 HZ.

© 2013 Optical Society of America

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  1. D. Strickland and G. Mourou, “Compression of amplified chirped optical pulses,” Opt. Commun.56(3), 219–221 (1985).
    [CrossRef]
  2. M. Aoyama, K. Yamakawa, Y. Akahane, J. Ma, N. Inoue, H. Ueda, and H. Kiriyama, “0.85-PW, 33-fs Ti:sapphire laser,” Opt. Lett.28(17), 1594–1596 (2003).
    [CrossRef] [PubMed]
  3. X. Liang, Y. Leng, C. Wang, C. Li, L. Lin, B. Zhao, Y. Jiang, X. Lu, M. Hu, C. Zhang, H. Lu, D. Yin, Y. Jiang, X. Lu, H. Wei, J. Zhu, R. Li, and Z. Xu, “Parasitic lasing suppression in high gain femtosecond petawatt Ti:sapphire amplifier,” Opt. Express15(23), 15335–15341 (2007).
    [CrossRef] [PubMed]
  4. V. Yanovsky, V. Chvykov, G. Kalinchenko, P. Rousseau, T. Planchon, T. Matsuoka, A. Maksimchuk, J. Nees, G. Cheriaux, G. Mourou, and K. Krushelnick, “Ultra-high intensity- 300-TW laser at 0.1 Hz repetition rate,” Opt. Express16(3), 2109–2114 (2008).
    [CrossRef] [PubMed]
  5. K. Ertel, C. Hooker, S. J. Hawkes, B. T. Parry, and J. L. Collier, “ASE suppression in a high energy Titanium sapphire amplifier,” Opt. Express16(11), 8039–8049 (2008).
    [CrossRef] [PubMed]
  6. Z. Wang, C. Liu, Z. Shen, Q. Zhang, H. Teng, and Z. Wei, “A high contrast 1.16 PW Ti:sapphire laser system combined with DCPA scheme and femtosecond optical-parametric amplifier,” Opt. Lett.36(16), 3194–3196 (2011).
    [CrossRef] [PubMed]
  7. T. J. Yu, S. K. Lee, J. H. Sung, J. W. Yoon, T. M. Jeong, and J. Lee, “Generation of high-contrast, 30 fs, 1.5 PW laser pulses from chirped-pulse amplification Ti:sapphire laser,” Opt. Express20(10), 10807–10815 (2012).
    [CrossRef] [PubMed]
  8. S. Laux, F. Lureau, C. Radier, O. Chalus, F. Caradec, O. Casagrande, E. Pourtal, C. Simon-Boisson, F. Soyer, and P. Lebarny, “Suppression of parasitic lasing in high energy, high repetition rate Ti:sapphire laser amplifiers,” Opt. Lett.37(11), 1913–1915 (2012).
    [CrossRef] [PubMed]
  9. Y. X. Chu, X. Y. Liang, L. H. Yu, L. Xu, X. M. Lu, Y. Q. Liu, Y. X. Leng, R. X. Li, and Z. Z. Xu, “Parasitic lasing suppression in large-aperture Ti:sapphire amplifiers by optimizing the seed-pump time delay,” Laser Phys. Lett.10(5), 055302 (2013), http://iopscience.iop.org/1612-202X/10/5/055302/ .
    [CrossRef]
  10. G. Chériaux, F. Giambruno, and A. Fréneaux, “Apollon-10P: Status and implementation,” Proc. AIP. 1462, 78–83 (2012).
    [CrossRef]
  11. V. Yanovsky and K. Krushelnick, “Influence of amplified spontaneous emission on gain lifetime in high-aperture Ti:sapphire amplifiers,” Appl. Opt.52(11), 2329–2331 (2013).
    [CrossRef] [PubMed]
  12. F. G. Patterson, J. Bonlie, D. Price, and B. White, “Suppression of parasitic lasing in large-aperture Ti:sapphire laser amplifiers,” Opt. Lett.24(14), 963–965 (1999).
    [CrossRef] [PubMed]
  13. F. Ple, M. Pittman, G. Jamelot, and J.-P. Chambaret, “Design and demonstration of a high-energy booster amplifier for a high-repetition rate petawatt class laser system,” Opt. Lett.32(3), 238–240 (2007).
    [CrossRef] [PubMed]
  14. V. Chvykov and K. Krushelnick, “Large aperture multi-pass amplifiers for high peak power lasers,” Opt. Commun.285(8), 2134–2136 (2012).
    [CrossRef]
  15. http://www.cargille.com .
  16. D. C. Brown, S. D. Jacobs, and N. Nee, “Parasitic oscillations, absorption, stored energy density and heat density in active-mirror and disk amplifiers,” Appl. Opt.17(2), 211–224 (1978).
    [CrossRef] [PubMed]
  17. Y. Xu, X. Guo, X. Zou, Y. Li, X. Lu, C. Wang, Y. Liu, X. Liang, Y. Leng, R. Li, and Z. Xu, “Pulse temporal quality improvement in a petawatt Ti:sapphire laser based on cross-polarized wave generation,” Opt. Commun.313, 175–179 (2013).
  18. T. A. Planchon, F. Burgy, J.-P. Rousseau, and J.-P. Chambaret, “3D modeling of amplification processes in CPA laser amplifiers,” Appl. Phys. B80(6), 661–667 (2005).
    [CrossRef]
  19. H. Kiriyama, T. Shimomura, H. Sasao, Y. Nakai, M. Tanoue, S. Kondo, S. Kanazawa, A. S. Pirozhkov, M. Mori, Y. Fukuda, M. Nishiuchi, M. Kando, S. V. Bulanov, K. Nagashima, M. Yamagiwa, K. Kondo, A. Sugiyama, P. R. Bolton, T. Tajima, and N. Miyanaga, “Temporal contrast enhancement of petawatt-class laser pulses,” Opt. Lett.37(16), 3363–3365 (2012).
    [CrossRef] [PubMed]

2013 (3)

Y. X. Chu, X. Y. Liang, L. H. Yu, L. Xu, X. M. Lu, Y. Q. Liu, Y. X. Leng, R. X. Li, and Z. Z. Xu, “Parasitic lasing suppression in large-aperture Ti:sapphire amplifiers by optimizing the seed-pump time delay,” Laser Phys. Lett.10(5), 055302 (2013), http://iopscience.iop.org/1612-202X/10/5/055302/ .
[CrossRef]

V. Yanovsky and K. Krushelnick, “Influence of amplified spontaneous emission on gain lifetime in high-aperture Ti:sapphire amplifiers,” Appl. Opt.52(11), 2329–2331 (2013).
[CrossRef] [PubMed]

Y. Xu, X. Guo, X. Zou, Y. Li, X. Lu, C. Wang, Y. Liu, X. Liang, Y. Leng, R. Li, and Z. Xu, “Pulse temporal quality improvement in a petawatt Ti:sapphire laser based on cross-polarized wave generation,” Opt. Commun.313, 175–179 (2013).

2012 (4)

2011 (1)

2008 (2)

2007 (2)

2005 (1)

T. A. Planchon, F. Burgy, J.-P. Rousseau, and J.-P. Chambaret, “3D modeling of amplification processes in CPA laser amplifiers,” Appl. Phys. B80(6), 661–667 (2005).
[CrossRef]

2003 (1)

1999 (1)

1985 (1)

D. Strickland and G. Mourou, “Compression of amplified chirped optical pulses,” Opt. Commun.56(3), 219–221 (1985).
[CrossRef]

1978 (1)

Akahane, Y.

Aoyama, M.

Bolton, P. R.

Bonlie, J.

Brown, D. C.

Bulanov, S. V.

Burgy, F.

T. A. Planchon, F. Burgy, J.-P. Rousseau, and J.-P. Chambaret, “3D modeling of amplification processes in CPA laser amplifiers,” Appl. Phys. B80(6), 661–667 (2005).
[CrossRef]

Caradec, F.

Casagrande, O.

Chalus, O.

Chambaret, J.-P.

F. Ple, M. Pittman, G. Jamelot, and J.-P. Chambaret, “Design and demonstration of a high-energy booster amplifier for a high-repetition rate petawatt class laser system,” Opt. Lett.32(3), 238–240 (2007).
[CrossRef] [PubMed]

T. A. Planchon, F. Burgy, J.-P. Rousseau, and J.-P. Chambaret, “3D modeling of amplification processes in CPA laser amplifiers,” Appl. Phys. B80(6), 661–667 (2005).
[CrossRef]

Cheriaux, G.

Chériaux, G.

G. Chériaux, F. Giambruno, and A. Fréneaux, “Apollon-10P: Status and implementation,” Proc. AIP. 1462, 78–83 (2012).
[CrossRef]

Chu, Y. X.

Y. X. Chu, X. Y. Liang, L. H. Yu, L. Xu, X. M. Lu, Y. Q. Liu, Y. X. Leng, R. X. Li, and Z. Z. Xu, “Parasitic lasing suppression in large-aperture Ti:sapphire amplifiers by optimizing the seed-pump time delay,” Laser Phys. Lett.10(5), 055302 (2013), http://iopscience.iop.org/1612-202X/10/5/055302/ .
[CrossRef]

Chvykov, V.

Collier, J. L.

Ertel, K.

Fréneaux, A.

G. Chériaux, F. Giambruno, and A. Fréneaux, “Apollon-10P: Status and implementation,” Proc. AIP. 1462, 78–83 (2012).
[CrossRef]

Fukuda, Y.

Giambruno, F.

G. Chériaux, F. Giambruno, and A. Fréneaux, “Apollon-10P: Status and implementation,” Proc. AIP. 1462, 78–83 (2012).
[CrossRef]

Guo, X.

Y. Xu, X. Guo, X. Zou, Y. Li, X. Lu, C. Wang, Y. Liu, X. Liang, Y. Leng, R. Li, and Z. Xu, “Pulse temporal quality improvement in a petawatt Ti:sapphire laser based on cross-polarized wave generation,” Opt. Commun.313, 175–179 (2013).

Hawkes, S. J.

Hooker, C.

Hu, M.

Inoue, N.

Jacobs, S. D.

Jamelot, G.

Jeong, T. M.

Jiang, Y.

Kalinchenko, G.

Kanazawa, S.

Kando, M.

Kiriyama, H.

Kondo, K.

Kondo, S.

Krushelnick, K.

Laux, S.

Lebarny, P.

Lee, J.

Lee, S. K.

Leng, Y.

Y. Xu, X. Guo, X. Zou, Y. Li, X. Lu, C. Wang, Y. Liu, X. Liang, Y. Leng, R. Li, and Z. Xu, “Pulse temporal quality improvement in a petawatt Ti:sapphire laser based on cross-polarized wave generation,” Opt. Commun.313, 175–179 (2013).

X. Liang, Y. Leng, C. Wang, C. Li, L. Lin, B. Zhao, Y. Jiang, X. Lu, M. Hu, C. Zhang, H. Lu, D. Yin, Y. Jiang, X. Lu, H. Wei, J. Zhu, R. Li, and Z. Xu, “Parasitic lasing suppression in high gain femtosecond petawatt Ti:sapphire amplifier,” Opt. Express15(23), 15335–15341 (2007).
[CrossRef] [PubMed]

Leng, Y. X.

Y. X. Chu, X. Y. Liang, L. H. Yu, L. Xu, X. M. Lu, Y. Q. Liu, Y. X. Leng, R. X. Li, and Z. Z. Xu, “Parasitic lasing suppression in large-aperture Ti:sapphire amplifiers by optimizing the seed-pump time delay,” Laser Phys. Lett.10(5), 055302 (2013), http://iopscience.iop.org/1612-202X/10/5/055302/ .
[CrossRef]

Li, C.

Li, R.

Y. Xu, X. Guo, X. Zou, Y. Li, X. Lu, C. Wang, Y. Liu, X. Liang, Y. Leng, R. Li, and Z. Xu, “Pulse temporal quality improvement in a petawatt Ti:sapphire laser based on cross-polarized wave generation,” Opt. Commun.313, 175–179 (2013).

X. Liang, Y. Leng, C. Wang, C. Li, L. Lin, B. Zhao, Y. Jiang, X. Lu, M. Hu, C. Zhang, H. Lu, D. Yin, Y. Jiang, X. Lu, H. Wei, J. Zhu, R. Li, and Z. Xu, “Parasitic lasing suppression in high gain femtosecond petawatt Ti:sapphire amplifier,” Opt. Express15(23), 15335–15341 (2007).
[CrossRef] [PubMed]

Li, R. X.

Y. X. Chu, X. Y. Liang, L. H. Yu, L. Xu, X. M. Lu, Y. Q. Liu, Y. X. Leng, R. X. Li, and Z. Z. Xu, “Parasitic lasing suppression in large-aperture Ti:sapphire amplifiers by optimizing the seed-pump time delay,” Laser Phys. Lett.10(5), 055302 (2013), http://iopscience.iop.org/1612-202X/10/5/055302/ .
[CrossRef]

Li, Y.

Y. Xu, X. Guo, X. Zou, Y. Li, X. Lu, C. Wang, Y. Liu, X. Liang, Y. Leng, R. Li, and Z. Xu, “Pulse temporal quality improvement in a petawatt Ti:sapphire laser based on cross-polarized wave generation,” Opt. Commun.313, 175–179 (2013).

Liang, X.

Y. Xu, X. Guo, X. Zou, Y. Li, X. Lu, C. Wang, Y. Liu, X. Liang, Y. Leng, R. Li, and Z. Xu, “Pulse temporal quality improvement in a petawatt Ti:sapphire laser based on cross-polarized wave generation,” Opt. Commun.313, 175–179 (2013).

X. Liang, Y. Leng, C. Wang, C. Li, L. Lin, B. Zhao, Y. Jiang, X. Lu, M. Hu, C. Zhang, H. Lu, D. Yin, Y. Jiang, X. Lu, H. Wei, J. Zhu, R. Li, and Z. Xu, “Parasitic lasing suppression in high gain femtosecond petawatt Ti:sapphire amplifier,” Opt. Express15(23), 15335–15341 (2007).
[CrossRef] [PubMed]

Liang, X. Y.

Y. X. Chu, X. Y. Liang, L. H. Yu, L. Xu, X. M. Lu, Y. Q. Liu, Y. X. Leng, R. X. Li, and Z. Z. Xu, “Parasitic lasing suppression in large-aperture Ti:sapphire amplifiers by optimizing the seed-pump time delay,” Laser Phys. Lett.10(5), 055302 (2013), http://iopscience.iop.org/1612-202X/10/5/055302/ .
[CrossRef]

Lin, L.

Liu, C.

Liu, Y.

Y. Xu, X. Guo, X. Zou, Y. Li, X. Lu, C. Wang, Y. Liu, X. Liang, Y. Leng, R. Li, and Z. Xu, “Pulse temporal quality improvement in a petawatt Ti:sapphire laser based on cross-polarized wave generation,” Opt. Commun.313, 175–179 (2013).

Liu, Y. Q.

Y. X. Chu, X. Y. Liang, L. H. Yu, L. Xu, X. M. Lu, Y. Q. Liu, Y. X. Leng, R. X. Li, and Z. Z. Xu, “Parasitic lasing suppression in large-aperture Ti:sapphire amplifiers by optimizing the seed-pump time delay,” Laser Phys. Lett.10(5), 055302 (2013), http://iopscience.iop.org/1612-202X/10/5/055302/ .
[CrossRef]

Lu, H.

Lu, X.

Lu, X. M.

Y. X. Chu, X. Y. Liang, L. H. Yu, L. Xu, X. M. Lu, Y. Q. Liu, Y. X. Leng, R. X. Li, and Z. Z. Xu, “Parasitic lasing suppression in large-aperture Ti:sapphire amplifiers by optimizing the seed-pump time delay,” Laser Phys. Lett.10(5), 055302 (2013), http://iopscience.iop.org/1612-202X/10/5/055302/ .
[CrossRef]

Lureau, F.

Ma, J.

Maksimchuk, A.

Matsuoka, T.

Miyanaga, N.

Mori, M.

Mourou, G.

Nagashima, K.

Nakai, Y.

Nee, N.

Nees, J.

Nishiuchi, M.

Parry, B. T.

Patterson, F. G.

Pirozhkov, A. S.

Pittman, M.

Planchon, T.

Planchon, T. A.

T. A. Planchon, F. Burgy, J.-P. Rousseau, and J.-P. Chambaret, “3D modeling of amplification processes in CPA laser amplifiers,” Appl. Phys. B80(6), 661–667 (2005).
[CrossRef]

Ple, F.

Pourtal, E.

Price, D.

Radier, C.

Rousseau, J.-P.

T. A. Planchon, F. Burgy, J.-P. Rousseau, and J.-P. Chambaret, “3D modeling of amplification processes in CPA laser amplifiers,” Appl. Phys. B80(6), 661–667 (2005).
[CrossRef]

Rousseau, P.

Sasao, H.

Shen, Z.

Shimomura, T.

Simon-Boisson, C.

Soyer, F.

Strickland, D.

D. Strickland and G. Mourou, “Compression of amplified chirped optical pulses,” Opt. Commun.56(3), 219–221 (1985).
[CrossRef]

Sugiyama, A.

Sung, J. H.

Tajima, T.

Tanoue, M.

Teng, H.

Ueda, H.

Wang, C.

Y. Xu, X. Guo, X. Zou, Y. Li, X. Lu, C. Wang, Y. Liu, X. Liang, Y. Leng, R. Li, and Z. Xu, “Pulse temporal quality improvement in a petawatt Ti:sapphire laser based on cross-polarized wave generation,” Opt. Commun.313, 175–179 (2013).

X. Liang, Y. Leng, C. Wang, C. Li, L. Lin, B. Zhao, Y. Jiang, X. Lu, M. Hu, C. Zhang, H. Lu, D. Yin, Y. Jiang, X. Lu, H. Wei, J. Zhu, R. Li, and Z. Xu, “Parasitic lasing suppression in high gain femtosecond petawatt Ti:sapphire amplifier,” Opt. Express15(23), 15335–15341 (2007).
[CrossRef] [PubMed]

Wang, Z.

Wei, H.

Wei, Z.

White, B.

Xu, L.

Y. X. Chu, X. Y. Liang, L. H. Yu, L. Xu, X. M. Lu, Y. Q. Liu, Y. X. Leng, R. X. Li, and Z. Z. Xu, “Parasitic lasing suppression in large-aperture Ti:sapphire amplifiers by optimizing the seed-pump time delay,” Laser Phys. Lett.10(5), 055302 (2013), http://iopscience.iop.org/1612-202X/10/5/055302/ .
[CrossRef]

Xu, Y.

Y. Xu, X. Guo, X. Zou, Y. Li, X. Lu, C. Wang, Y. Liu, X. Liang, Y. Leng, R. Li, and Z. Xu, “Pulse temporal quality improvement in a petawatt Ti:sapphire laser based on cross-polarized wave generation,” Opt. Commun.313, 175–179 (2013).

Xu, Z.

Y. Xu, X. Guo, X. Zou, Y. Li, X. Lu, C. Wang, Y. Liu, X. Liang, Y. Leng, R. Li, and Z. Xu, “Pulse temporal quality improvement in a petawatt Ti:sapphire laser based on cross-polarized wave generation,” Opt. Commun.313, 175–179 (2013).

X. Liang, Y. Leng, C. Wang, C. Li, L. Lin, B. Zhao, Y. Jiang, X. Lu, M. Hu, C. Zhang, H. Lu, D. Yin, Y. Jiang, X. Lu, H. Wei, J. Zhu, R. Li, and Z. Xu, “Parasitic lasing suppression in high gain femtosecond petawatt Ti:sapphire amplifier,” Opt. Express15(23), 15335–15341 (2007).
[CrossRef] [PubMed]

Xu, Z. Z.

Y. X. Chu, X. Y. Liang, L. H. Yu, L. Xu, X. M. Lu, Y. Q. Liu, Y. X. Leng, R. X. Li, and Z. Z. Xu, “Parasitic lasing suppression in large-aperture Ti:sapphire amplifiers by optimizing the seed-pump time delay,” Laser Phys. Lett.10(5), 055302 (2013), http://iopscience.iop.org/1612-202X/10/5/055302/ .
[CrossRef]

Yamagiwa, M.

Yamakawa, K.

Yanovsky, V.

Yin, D.

Yoon, J. W.

Yu, L. H.

Y. X. Chu, X. Y. Liang, L. H. Yu, L. Xu, X. M. Lu, Y. Q. Liu, Y. X. Leng, R. X. Li, and Z. Z. Xu, “Parasitic lasing suppression in large-aperture Ti:sapphire amplifiers by optimizing the seed-pump time delay,” Laser Phys. Lett.10(5), 055302 (2013), http://iopscience.iop.org/1612-202X/10/5/055302/ .
[CrossRef]

Yu, T. J.

Zhang, C.

Zhang, Q.

Zhao, B.

Zhu, J.

Zou, X.

Y. Xu, X. Guo, X. Zou, Y. Li, X. Lu, C. Wang, Y. Liu, X. Liang, Y. Leng, R. Li, and Z. Xu, “Pulse temporal quality improvement in a petawatt Ti:sapphire laser based on cross-polarized wave generation,” Opt. Commun.313, 175–179 (2013).

Appl. Opt. (2)

Appl. Phys. B (1)

T. A. Planchon, F. Burgy, J.-P. Rousseau, and J.-P. Chambaret, “3D modeling of amplification processes in CPA laser amplifiers,” Appl. Phys. B80(6), 661–667 (2005).
[CrossRef]

Laser Phys. Lett. (1)

Y. X. Chu, X. Y. Liang, L. H. Yu, L. Xu, X. M. Lu, Y. Q. Liu, Y. X. Leng, R. X. Li, and Z. Z. Xu, “Parasitic lasing suppression in large-aperture Ti:sapphire amplifiers by optimizing the seed-pump time delay,” Laser Phys. Lett.10(5), 055302 (2013), http://iopscience.iop.org/1612-202X/10/5/055302/ .
[CrossRef]

Opt. Commun. (3)

Y. Xu, X. Guo, X. Zou, Y. Li, X. Lu, C. Wang, Y. Liu, X. Liang, Y. Leng, R. Li, and Z. Xu, “Pulse temporal quality improvement in a petawatt Ti:sapphire laser based on cross-polarized wave generation,” Opt. Commun.313, 175–179 (2013).

V. Chvykov and K. Krushelnick, “Large aperture multi-pass amplifiers for high peak power lasers,” Opt. Commun.285(8), 2134–2136 (2012).
[CrossRef]

D. Strickland and G. Mourou, “Compression of amplified chirped optical pulses,” Opt. Commun.56(3), 219–221 (1985).
[CrossRef]

Opt. Express (4)

Opt. Lett. (6)

Z. Wang, C. Liu, Z. Shen, Q. Zhang, H. Teng, and Z. Wei, “A high contrast 1.16 PW Ti:sapphire laser system combined with DCPA scheme and femtosecond optical-parametric amplifier,” Opt. Lett.36(16), 3194–3196 (2011).
[CrossRef] [PubMed]

S. Laux, F. Lureau, C. Radier, O. Chalus, F. Caradec, O. Casagrande, E. Pourtal, C. Simon-Boisson, F. Soyer, and P. Lebarny, “Suppression of parasitic lasing in high energy, high repetition rate Ti:sapphire laser amplifiers,” Opt. Lett.37(11), 1913–1915 (2012).
[CrossRef] [PubMed]

M. Aoyama, K. Yamakawa, Y. Akahane, J. Ma, N. Inoue, H. Ueda, and H. Kiriyama, “0.85-PW, 33-fs Ti:sapphire laser,” Opt. Lett.28(17), 1594–1596 (2003).
[CrossRef] [PubMed]

F. G. Patterson, J. Bonlie, D. Price, and B. White, “Suppression of parasitic lasing in large-aperture Ti:sapphire laser amplifiers,” Opt. Lett.24(14), 963–965 (1999).
[CrossRef] [PubMed]

F. Ple, M. Pittman, G. Jamelot, and J.-P. Chambaret, “Design and demonstration of a high-energy booster amplifier for a high-repetition rate petawatt class laser system,” Opt. Lett.32(3), 238–240 (2007).
[CrossRef] [PubMed]

H. Kiriyama, T. Shimomura, H. Sasao, Y. Nakai, M. Tanoue, S. Kondo, S. Kanazawa, A. S. Pirozhkov, M. Mori, Y. Fukuda, M. Nishiuchi, M. Kando, S. V. Bulanov, K. Nagashima, M. Yamagiwa, K. Kondo, A. Sugiyama, P. R. Bolton, T. Tajima, and N. Miyanaga, “Temporal contrast enhancement of petawatt-class laser pulses,” Opt. Lett.37(16), 3363–3365 (2012).
[CrossRef] [PubMed]

Other (2)

G. Chériaux, F. Giambruno, and A. Fréneaux, “Apollon-10P: Status and implementation,” Proc. AIP. 1462, 78–83 (2012).
[CrossRef]

http://www.cargille.com .

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Figures (8)

Fig. 1
Fig. 1

Schematic experimental setup of the Ti:S CPA laser system.

Fig. 2
Fig. 2

Schematic for the seed-pump time-delay control and Ti:S mounting cell.

Fig. 3
Fig. 3

Simulated surface transverse gains (blue solid curve) with pumping time (a) Time delay is 20 ns at injection of 6.5 J. (b) Time delay is 25 ns at injection of 6.5 J. (c) Time delay is 18 ns at injection of 10 J. (d) Time delay is 20 ns at injection of 10 J. The green asterisks are the output energies of each pass. The green dashed curve is the temporal pump profile.

Fig. 4
Fig. 4

Choice of optimal time delay at different pump energies.

Fig. 5
Fig. 5

Experimental and calculated output energies (a) and conversion efficiencies (b) as functions of pump energy at the time delay of 22 ns.

Fig. 6
Fig. 6

(a) Measured spatial beam prfile of the amplified seed beam after the final booster amplifier. (b) Measured output energies for 140 J pump energy in the final booster amplifier.

Fig. 7
Fig. 7

(a) Measured spectrums of injected spectrum (blue line), and amplified laser pulse (black line). (b) Measured autocorrelation trace of the compressed pulse in the PW Ti:S laser system.

Fig. 8
Fig. 8

Contrast ratio of the compressed pulse with a high-contrast front-end based on XPW generation.

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