Abstract

A tiled-grating assembly with three large-scale gratings is developed with real-time interferometric tiling control for the OMEGA EP Laser Facility. An automatic tiling method is achieved and used to tile a three-tile grating assembly with the overall wavefront reconstructed. Tiling-parameters sensitivity and focal-spot degradation from all combined tiling errors are analyzed for a pulse compressor composed of four such assemblies.

© 2007 Optical Society of America

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  1. J. A. Britten, W. A. Molander, A. M. Komashko, and C. P. Barty, "Multilayer dielectric gratings for petawatt-class laser systems," Proc. SPIE 5273, 1−7 (2004).
    [CrossRef]
  2. T. Zhang, M. Yonemura, and Y. Kato, "An array-grating compressor for high-power chirped-pulse amplification lasers," Opt. Commun. 145, 367−376 (1998).
    [CrossRef]
  3. T. J. Kessler, J. Bunkenburg, H. Huang, A. Kozlov, and D. D. Meyerhofer, "Demonstration of coherent addition of multiple gratings for high-energy chirped-pulse-amplified lasers," Opt. Lett. 29, 635−637 (2004).
    [CrossRef] [PubMed]
  4. A. Cotel, M. Castaing, P. Pichon, and C. Le Blanc, "Phased-array grating compression for high-energy chirped pulse amplification lasers," Opt. Express 15, 2742−2752 (2007).
    [CrossRef] [PubMed]
  5. J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
    [CrossRef]
  6. "Demonstration of real-time, phase-locked alignment of tiled gratings for chirped-pulse-amplified lasers," LLE Review Quarterly Report100, 242−251, Laboratory for Laser Energetics, University of Rochester, Rochester, NY, LLE Document No. DOE/SF/19460-578, NTIS Order No. PB2006-106672 (2004). Copies may be obtained from the National Technical Information Service, Springfield, VA 22161.
  7. J. Bunkenburg, T. J. Kessler, W. Skulski, and H. Huang, "Phase-locked control of tiled-grating assemblies for chirped-pulse-amplified lasers using a Mach-Zehnder interferometer," Opt. Lett. 31, 1561−1563 (2006).
    [CrossRef] [PubMed]
  8. M. Takeda, H. Ina, and S. Kobayashi, "Fourier-transform method of fringe-pattern analysis for computer-based topography and interferometry," J. Opt. Soc. Am. 72, 156−160 (1982).
    [CrossRef]

2007

2006

J. Bunkenburg, T. J. Kessler, W. Skulski, and H. Huang, "Phase-locked control of tiled-grating assemblies for chirped-pulse-amplified lasers using a Mach-Zehnder interferometer," Opt. Lett. 31, 1561−1563 (2006).
[CrossRef] [PubMed]

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

2004

J. A. Britten, W. A. Molander, A. M. Komashko, and C. P. Barty, "Multilayer dielectric gratings for petawatt-class laser systems," Proc. SPIE 5273, 1−7 (2004).
[CrossRef]

T. J. Kessler, J. Bunkenburg, H. Huang, A. Kozlov, and D. D. Meyerhofer, "Demonstration of coherent addition of multiple gratings for high-energy chirped-pulse-amplified lasers," Opt. Lett. 29, 635−637 (2004).
[CrossRef] [PubMed]

1998

T. Zhang, M. Yonemura, and Y. Kato, "An array-grating compressor for high-power chirped-pulse amplification lasers," Opt. Commun. 145, 367−376 (1998).
[CrossRef]

1982

Bagnoud, V.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Barty, C. P.

J. A. Britten, W. A. Molander, A. M. Komashko, and C. P. Barty, "Multilayer dielectric gratings for petawatt-class laser systems," Proc. SPIE 5273, 1−7 (2004).
[CrossRef]

Begishev, I. A.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Britten, J. A.

J. A. Britten, W. A. Molander, A. M. Komashko, and C. P. Barty, "Multilayer dielectric gratings for petawatt-class laser systems," Proc. SPIE 5273, 1−7 (2004).
[CrossRef]

Bromage, J.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Bunkenburg, J.

Castaing, M.

Cotel, A.

Dalton, S.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Folnsbee, L.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Guardalben, M. J.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Huang, H.

Ina, H.

Jungquist, R.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Kato, Y.

T. Zhang, M. Yonemura, and Y. Kato, "An array-grating compressor for high-power chirped-pulse amplification lasers," Opt. Commun. 145, 367−376 (1998).
[CrossRef]

Kelly, J. H.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Kessler, T. J.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

J. Bunkenburg, T. J. Kessler, W. Skulski, and H. Huang, "Phase-locked control of tiled-grating assemblies for chirped-pulse-amplified lasers using a Mach-Zehnder interferometer," Opt. Lett. 31, 1561−1563 (2006).
[CrossRef] [PubMed]

T. J. Kessler, J. Bunkenburg, H. Huang, A. Kozlov, and D. D. Meyerhofer, "Demonstration of coherent addition of multiple gratings for high-energy chirped-pulse-amplified lasers," Opt. Lett. 29, 635−637 (2004).
[CrossRef] [PubMed]

Kobayashi, S.

Komashko, A. M.

J. A. Britten, W. A. Molander, A. M. Komashko, and C. P. Barty, "Multilayer dielectric gratings for petawatt-class laser systems," Proc. SPIE 5273, 1−7 (2004).
[CrossRef]

Kozlov, A.

Kruschwitz, B. E.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Le Blanc, C.

Loucks, S. J.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Maywar, D. N.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

McCrory, R. L.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Meyerhofer, D. D.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

T. J. Kessler, J. Bunkenburg, H. Huang, A. Kozlov, and D. D. Meyerhofer, "Demonstration of coherent addition of multiple gratings for high-energy chirped-pulse-amplified lasers," Opt. Lett. 29, 635−637 (2004).
[CrossRef] [PubMed]

Molander, W. A.

J. A. Britten, W. A. Molander, A. M. Komashko, and C. P. Barty, "Multilayer dielectric gratings for petawatt-class laser systems," Proc. SPIE 5273, 1−7 (2004).
[CrossRef]

Morse, S. F. B.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Oliver, J. B.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Pichon, P.

Puth, J.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Rigatti, A. L.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Schmid, A. W.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Shoup, M. J.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Skulski, W.

Stoeckl, C.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Takeda, M.

Waxer, L. J.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Weiner, D.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Yonemura, M.

T. Zhang, M. Yonemura, and Y. Kato, "An array-grating compressor for high-power chirped-pulse amplification lasers," Opt. Commun. 145, 367−376 (1998).
[CrossRef]

Zhang, T.

T. Zhang, M. Yonemura, and Y. Kato, "An array-grating compressor for high-power chirped-pulse amplification lasers," Opt. Commun. 145, 367−376 (1998).
[CrossRef]

Zuegel, J. D.

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

J. Opt. Soc. Am.

J. Phys. IV

J. H. Kelly, L. J. Waxer, V. Bagnoud, I. A. Begishev, J. Bromage, B. E. Kruschwitz, T. J. Kessler, S. J. Loucks, D. N. Maywar, R. L. McCrory, D. D. Meyerhofer, S. F. B. Morse, J. B. Oliver, A. L. Rigatti, A. W. Schmid, C. Stoeckl, S. Dalton, L. Folnsbee, M. J. Guardalben, R. Jungquist, J. Puth, M. J. ShoupIII, D.  Weiner, and J. D. Zuegel, "OMEGA EP: High-energy petawatt capability for the OMEGA laser facility," J. Phys. IV  133, 75−80 (2006).
[CrossRef]

Opt. Commun.

T. Zhang, M. Yonemura, and Y. Kato, "An array-grating compressor for high-power chirped-pulse amplification lasers," Opt. Commun. 145, 367−376 (1998).
[CrossRef]

Opt. Express

Opt. Lett.

Proc. SPIE

J. A. Britten, W. A. Molander, A. M. Komashko, and C. P. Barty, "Multilayer dielectric gratings for petawatt-class laser systems," Proc. SPIE 5273, 1−7 (2004).
[CrossRef]

Other

"Demonstration of real-time, phase-locked alignment of tiled gratings for chirped-pulse-amplified lasers," LLE Review Quarterly Report100, 242−251, Laboratory for Laser Energetics, University of Rochester, Rochester, NY, LLE Document No. DOE/SF/19460-578, NTIS Order No. PB2006-106672 (2004). Copies may be obtained from the National Technical Information Service, Springfield, VA 22161.

Supplementary Material (1)

» Media 1: AVI (548 KB)     

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Figures (12)

Fig. 1.
Fig. 1.

(a). OMEGA EP compressor consists of four tiled gratings. The size of the tiled grating is 1.41 m × 0.430 m. (b) TGA assembly and tiling parameters.

Fig. 2.
Fig. 2.

(a) Strehl ratio sensitivity analysis to tilt, tip, IPR, and piston misalignment. (b) R80 sensitivity analysis to tilt, tip, IPR, and piston misalignment.

Fig. 3.
Fig. 3.

(a). R80 sensitivity analysis to piston misalignment when the input beam has various wavefronts. (b) R80 sensitivity analysis to tilt misalignment when the input beam has various model wavefronts.

Fig. 4.
Fig. 4.

(a). Near-field image (0.37 m × 0.37 m) for a flat input wavefront; rms wavefront=0. (b) Far-field image (image patch size 43 µm × 43 µm) for a flat input wavefront; R80=2.6 µm, Strehl=1. (c) Near-field image for a non-flat input wavefront; rms wavefront=0.28 λ. (d) Far-field image for a non-flat input wavefront; R80=7.6 µm, Strehl=0.26. (e) Near-field image for a realized compressor with the tiling accuracy limit: tilt=±0.2 µrad, tip=±0.2 µrad, and piston=±0.13 µm; input has a flat wavefront; rms wavefront=0.036 λ. (f) Far-field image for the realized compressor; input beam has a flat wavefront; R80=4.0 µm, Strehl=0.93. (g) Near-field image of the realized compressor; input beam has wavefront Abe 1 shown in Fig. 4(c); rms wavefront=0.29 λ. (h) Far-field image of the realized compressor; input beam has wavefront Abe 1 shown in Fig. 4(c); R80=7.5 µm, Strehl=0.27.

Fig. 5.
Fig. 5.

(a). and (b). Histograms of R80 and Strehl for a flat input wavefront. (c) and (d) Histograms of R80 and Strehl for a non-flat input wavefront Abe 1.

Fig. 6.
Fig. 6.

(a) Temporal performance comparison between a perfectly tiled compressor and a compressor with tiling limits as described in the text. (b) Temporally integrated far field shows R80=5.7 µm.

Fig. 7.
Fig. 7.

(a). Far-field pulse for the compressor when the central tile of each grating is displaced by the tiling tolerance limit (130 nm) from the 2πN boundary, where N=2. (b) Corresponding far-field beam for the pulse with the uncompensated piston errors shown in (a); R80=5.5 µm. (c) Far-field pulse for the compressor when TGA4 is used to compensate the piston errors described in (a). (d) Corresponding far-field beam for (c); R80=4.8 µm.

Fig. 8.
Fig. 8.

(a). Interferometer setup for tiling a TGA; (b) interferogram for two full tiles; (c) interferogram for three tiles: full size for the central tile, half size for each outboard tile.

Fig. 9.
Fig. 9.

Flow diagram illustrating automatic tiling process.

Fig. 10.
Fig. 10.

Normalized rms wavefront of two tiles, R80, and Strehl ratio of calculated far field responds periodically with induced piston value on the outboard tile.

Fig. 11.
Fig. 11.

A movie shows the tiling process. Angular misalignment is removed first; then the minimized wavefront of the two tiles was achieved by stepping through the piston for 1-λ OPD. (576 KB) [Media 1]

Fig. 12.
Fig. 12.

(a). Wavefront of the full TGA after minimization. (b) Calculated far field for the full TGA with a Strehl ratio of 0.92.

Tables (1)

Tables Icon

Table 1. Comparison of the focal-spot quality for the case of a flat and a non-flat input wavefront.

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