Skip to main content
SpringerLink
Log in

Two-Dimensional Multi-Lens Array with Circular Aperture Spherical Lens for Flat-Top Irradiation of Inertial Confinement Fusion Target

  • LASERS
  • Published:
Optical Review Aims and scope Submit manuscript

Abstract

A two-dimensional multi-lens array 350 mm in diameter with spherical element lenses has been tested to improve the irradiation uniformity of a high power glass laser for inertial confinement fusion (ICF). A circular shape for the element lens aperture is chosen to eliminate azimuthally asymmetric intensity distribution. An approximate flat-top intensity distribution is obtained with a lens array of 37 lenses. Beam patterns of a coherent laser and partially coherent light (PCL) with the random phase plate (RPP) and the multi-lens array (MLA) are measured in a GEKKO XII glass laser system. Spherical mode structure of the irradiation nonuniformity of 5.6% with MLA is estimated with cos3 θ distribution of absorption coefficient in the target plasma.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. S. Skupsky and K. Lee: J. Appl. Phys. 54 (1983) 3662.

    Article  Google Scholar 

  2. Y. Kato, K. Mima, N. Miyanaga, S. Arinaga, Y. Kitagawa, M. Nakatsuka and C. Yamanaka: Phys. Rev. Lett. 53 (1984) 1057.

    Article  Google Scholar 

  3. R. H. Lehmberg and S. P. Obenschain: Opt. Commun. 46 (1983) 27.

    Article  Google Scholar 

  4. D. Veron, H. Ayral, C. Gouedard, D. Husson, J. Laurion, O. Martin, B. Mayer, M. Rostaing and C. Sauteret: Opt. Commun. 65 (1988) 42.

    Article  Google Scholar 

  5. S. Skaupsky, R. W. Short, T. Kessker, R. S. Craxton, S. Letzring and J. M. Soures: J. Appl. Phys. 66 (1989) 3456.

    Article  Google Scholar 

  6. H. Nakano, T. Kanabe, K. Yagi, K. Tsubakimoto, M. Nakatsuka and S. Nakai: Opt. Commun. 78 (1990) 123.

    Article  Google Scholar 

  7. S. N. Dexit, J. K. Lawson, K. R. Manes, H. T. Powell and K. A. Nuget: Opt. Lett. 19 (1994) 417.

    Google Scholar 

  8. N. Nishi, T. Jitsuno, K. Tsubakimoto, M. Nakatsuka, K. Nishihara and S. Nakai: Conference of Lasers and Electro-Optics (CLEO’94) (1994) CTuK85.

  9. N. Nishi, T. Jitsuno, M. Nakatsuka and S. Nakai: Opt. Rev. 5 (1998) 39.

    Article  Google Scholar 

  10. X. Deng, X. Liang, Z. Chen, W. Yu and R. Ma: Appl. Opt. 25 (1986) 377.

    Google Scholar 

  11. M. Murakami, K. Nishihara and H. Azechi: J. Appl. Phys. 74 (1993) 802.

    Article  Google Scholar 

Download references

Author information

Author notes

  1. Noriaki Nishi

    Present address: Usho Optical Systems Co., Ltd., 4-19, Kitazono-cyo, Takatsuki, Osaka, 569-0802, Japan

Authors and Affiliations

  1. Institute of Laser Engineering, Osaka University, 2-6, Yamada-oka, Suita, Osaka, Japan

    Noriaki Nishi, Takahisa Jitsuno, Koji Tsubakimoto, Shinichi Matsuoka, Noriaki Miyanaga & Masahiro Nakatsuka

Authors
  1. Noriaki Nishi
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Takahisa Jitsuno
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Koji Tsubakimoto
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Shinichi Matsuoka
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Noriaki Miyanaga
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. Masahiro Nakatsuka
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Noriaki Nishi.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Nishi, N., Jitsuno, T., Tsubakimoto, K. et al. Two-Dimensional Multi-Lens Array with Circular Aperture Spherical Lens for Flat-Top Irradiation of Inertial Confinement Fusion Target. OPT REV 7, 216–220 (2000). https://doi.org/10.1007/s10043-000-0216-5

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10043-000-0216-5

Key words

Search

Navigation