Abstract

We demonstrate that effective traveling-wave excitation of high-gain amplifiers requires velocities that are remarkably slower than the velocity of light. Experiments with a femtosecond-laser-pumped molecular hydrogen laser exhibit pronounced enhancement of the intensity if an excitation velocity that is slower than the velocity of light is employed. These results are directly scalable to shorter wavelengths, paving the way for a more effective pump setup for x-ray lasers.

© 2001 Optical Society of America

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  1. P. V. Nickles, V. N. Shlyaptsev, M. Kalachnikov, M. Schnurer, I. Will, and W. Sandner, Phys. Rev. Lett. 78, 2748 (1997).
    [CrossRef]
  2. M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
    [CrossRef]
  3. P. J. Warwick, C. L. S. Lewis, M. P. Kalachnikov, P. V. Nickles, M. Schnurer, A. Behjat, A. Demir, G. J. Tallents, D. Neely, and E. Wolfrum, J. Opt. Soc. Am. B 15, 1808 (1998).
    [CrossRef]
  4. J. Dunn, A. L. Osterheld, R. Shepherd, W. E. White, V. N. Shlyaptsev, and R. E. Stewart, Phys. Rev. Lett. 80, 2825 (1998).
    [CrossRef]
  5. J. Dunn, J. Nilsen, A. L. Osterheld, Y. Li, and V. N. Shlyaptsev, Opt. Lett. 24, 101 (1999).
    [CrossRef]
  6. J. Dunn, Y. Li, A. L. Osterheld, J. Nilsen, J. R. Hunter, and V. N. Shlyaptsev, Phys. Rev. Lett. 84, 4834 (2000).
    [CrossRef] [PubMed]
  7. R. Tommasini and E. Fill, Phys. Rev. A 62, 034701 (2000).
    [CrossRef]
  8. S. Insam, R. Tommasini, and E. Fill, IEEE J. Sel. Top. Quantum Electron. 5, 1510 (1999).
    [CrossRef]
  9. R. Tommasini, S. Insam, and E. Fill, Opt. Commun. 180, 277 (2000).
    [CrossRef]
  10. M. H. Sher, J. J. Macklin, J. F. Young, and S. E. Harris, Opt. Lett. 12, 891 (1987).
    [CrossRef] [PubMed]
  11. J. R. Crespo Lopez-Urrutia, E. E. Fill, W. Theobald, and C. Wulker, Proc. SPIE 2012, 258 (1994).
    [CrossRef]
  12. R. Tommasini and E. Fill, J. Opt. Soc. Am. B 17, 1665 (2000).
    [CrossRef]
  13. L. Casperson and A. Yariv, Phys. Rev. Lett. 26, 293 (1971).
    [CrossRef]
  14. S. J. Benerofe, Y. Guang-Yu, C. P. J. Barty, J. F. Young, and S. E. Harris, Phys. Rev. Lett. 66, 3136 (1991).
    [CrossRef] [PubMed]

2000 (4)

J. Dunn, Y. Li, A. L. Osterheld, J. Nilsen, J. R. Hunter, and V. N. Shlyaptsev, Phys. Rev. Lett. 84, 4834 (2000).
[CrossRef] [PubMed]

R. Tommasini and E. Fill, Phys. Rev. A 62, 034701 (2000).
[CrossRef]

R. Tommasini, S. Insam, and E. Fill, Opt. Commun. 180, 277 (2000).
[CrossRef]

R. Tommasini and E. Fill, J. Opt. Soc. Am. B 17, 1665 (2000).
[CrossRef]

1999 (2)

J. Dunn, J. Nilsen, A. L. Osterheld, Y. Li, and V. N. Shlyaptsev, Opt. Lett. 24, 101 (1999).
[CrossRef]

S. Insam, R. Tommasini, and E. Fill, IEEE J. Sel. Top. Quantum Electron. 5, 1510 (1999).
[CrossRef]

1998 (3)

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

J. Dunn, A. L. Osterheld, R. Shepherd, W. E. White, V. N. Shlyaptsev, and R. E. Stewart, Phys. Rev. Lett. 80, 2825 (1998).
[CrossRef]

P. J. Warwick, C. L. S. Lewis, M. P. Kalachnikov, P. V. Nickles, M. Schnurer, A. Behjat, A. Demir, G. J. Tallents, D. Neely, and E. Wolfrum, J. Opt. Soc. Am. B 15, 1808 (1998).
[CrossRef]

1997 (1)

P. V. Nickles, V. N. Shlyaptsev, M. Kalachnikov, M. Schnurer, I. Will, and W. Sandner, Phys. Rev. Lett. 78, 2748 (1997).
[CrossRef]

1994 (1)

J. R. Crespo Lopez-Urrutia, E. E. Fill, W. Theobald, and C. Wulker, Proc. SPIE 2012, 258 (1994).
[CrossRef]

1991 (1)

S. J. Benerofe, Y. Guang-Yu, C. P. J. Barty, J. F. Young, and S. E. Harris, Phys. Rev. Lett. 66, 3136 (1991).
[CrossRef] [PubMed]

1987 (1)

1971 (1)

L. Casperson and A. Yariv, Phys. Rev. Lett. 26, 293 (1971).
[CrossRef]

Barty, C. P. J.

S. J. Benerofe, Y. Guang-Yu, C. P. J. Barty, J. F. Young, and S. E. Harris, Phys. Rev. Lett. 66, 3136 (1991).
[CrossRef] [PubMed]

Behjat, A.

P. J. Warwick, C. L. S. Lewis, M. P. Kalachnikov, P. V. Nickles, M. Schnurer, A. Behjat, A. Demir, G. J. Tallents, D. Neely, and E. Wolfrum, J. Opt. Soc. Am. B 15, 1808 (1998).
[CrossRef]

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

Benerofe, S. J.

S. J. Benerofe, Y. Guang-Yu, C. P. J. Barty, J. F. Young, and S. E. Harris, Phys. Rev. Lett. 66, 3136 (1991).
[CrossRef] [PubMed]

Casperson, L.

L. Casperson and A. Yariv, Phys. Rev. Lett. 26, 293 (1971).
[CrossRef]

Crespo Lopez-Urrutia, J. R.

J. R. Crespo Lopez-Urrutia, E. E. Fill, W. Theobald, and C. Wulker, Proc. SPIE 2012, 258 (1994).
[CrossRef]

Danson, C.

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

Demir, A.

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

P. J. Warwick, C. L. S. Lewis, M. P. Kalachnikov, P. V. Nickles, M. Schnurer, A. Behjat, A. Demir, G. J. Tallents, D. Neely, and E. Wolfrum, J. Opt. Soc. Am. B 15, 1808 (1998).
[CrossRef]

Dunn, J.

J. Dunn, Y. Li, A. L. Osterheld, J. Nilsen, J. R. Hunter, and V. N. Shlyaptsev, Phys. Rev. Lett. 84, 4834 (2000).
[CrossRef] [PubMed]

J. Dunn, J. Nilsen, A. L. Osterheld, Y. Li, and V. N. Shlyaptsev, Opt. Lett. 24, 101 (1999).
[CrossRef]

J. Dunn, A. L. Osterheld, R. Shepherd, W. E. White, V. N. Shlyaptsev, and R. E. Stewart, Phys. Rev. Lett. 80, 2825 (1998).
[CrossRef]

Fill, E.

R. Tommasini and E. Fill, J. Opt. Soc. Am. B 17, 1665 (2000).
[CrossRef]

R. Tommasini, S. Insam, and E. Fill, Opt. Commun. 180, 277 (2000).
[CrossRef]

R. Tommasini and E. Fill, Phys. Rev. A 62, 034701 (2000).
[CrossRef]

S. Insam, R. Tommasini, and E. Fill, IEEE J. Sel. Top. Quantum Electron. 5, 1510 (1999).
[CrossRef]

Fill, E. E.

J. R. Crespo Lopez-Urrutia, E. E. Fill, W. Theobald, and C. Wulker, Proc. SPIE 2012, 258 (1994).
[CrossRef]

Guang-Yu, Y.

S. J. Benerofe, Y. Guang-Yu, C. P. J. Barty, J. F. Young, and S. E. Harris, Phys. Rev. Lett. 66, 3136 (1991).
[CrossRef] [PubMed]

Harris, S. E.

S. J. Benerofe, Y. Guang-Yu, C. P. J. Barty, J. F. Young, and S. E. Harris, Phys. Rev. Lett. 66, 3136 (1991).
[CrossRef] [PubMed]

M. H. Sher, J. J. Macklin, J. F. Young, and S. E. Harris, Opt. Lett. 12, 891 (1987).
[CrossRef] [PubMed]

Hunter, J. R.

J. Dunn, Y. Li, A. L. Osterheld, J. Nilsen, J. R. Hunter, and V. N. Shlyaptsev, Phys. Rev. Lett. 84, 4834 (2000).
[CrossRef] [PubMed]

Insam, S.

R. Tommasini, S. Insam, and E. Fill, Opt. Commun. 180, 277 (2000).
[CrossRef]

S. Insam, R. Tommasini, and E. Fill, IEEE J. Sel. Top. Quantum Electron. 5, 1510 (1999).
[CrossRef]

Kalachnikov, M.

P. V. Nickles, V. N. Shlyaptsev, M. Kalachnikov, M. Schnurer, I. Will, and W. Sandner, Phys. Rev. Lett. 78, 2748 (1997).
[CrossRef]

Kalachnikov, M. P.

P. J. Warwick, C. L. S. Lewis, M. P. Kalachnikov, P. V. Nickles, M. Schnurer, A. Behjat, A. Demir, G. J. Tallents, D. Neely, and E. Wolfrum, J. Opt. Soc. Am. B 15, 1808 (1998).
[CrossRef]

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

Lewis, C. L. S.

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

P. J. Warwick, C. L. S. Lewis, M. P. Kalachnikov, P. V. Nickles, M. Schnurer, A. Behjat, A. Demir, G. J. Tallents, D. Neely, and E. Wolfrum, J. Opt. Soc. Am. B 15, 1808 (1998).
[CrossRef]

Li, Y.

J. Dunn, Y. Li, A. L. Osterheld, J. Nilsen, J. R. Hunter, and V. N. Shlyaptsev, Phys. Rev. Lett. 84, 4834 (2000).
[CrossRef] [PubMed]

J. Dunn, J. Nilsen, A. L. Osterheld, Y. Li, and V. N. Shlyaptsev, Opt. Lett. 24, 101 (1999).
[CrossRef]

Macklin, J. J.

Neely, D.

P. J. Warwick, C. L. S. Lewis, M. P. Kalachnikov, P. V. Nickles, M. Schnurer, A. Behjat, A. Demir, G. J. Tallents, D. Neely, and E. Wolfrum, J. Opt. Soc. Am. B 15, 1808 (1998).
[CrossRef]

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

Nickles, P. V.

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

P. J. Warwick, C. L. S. Lewis, M. P. Kalachnikov, P. V. Nickles, M. Schnurer, A. Behjat, A. Demir, G. J. Tallents, D. Neely, and E. Wolfrum, J. Opt. Soc. Am. B 15, 1808 (1998).
[CrossRef]

P. V. Nickles, V. N. Shlyaptsev, M. Kalachnikov, M. Schnurer, I. Will, and W. Sandner, Phys. Rev. Lett. 78, 2748 (1997).
[CrossRef]

Nilsen, J.

J. Dunn, Y. Li, A. L. Osterheld, J. Nilsen, J. R. Hunter, and V. N. Shlyaptsev, Phys. Rev. Lett. 84, 4834 (2000).
[CrossRef] [PubMed]

J. Dunn, J. Nilsen, A. L. Osterheld, Y. Li, and V. N. Shlyaptsev, Opt. Lett. 24, 101 (1999).
[CrossRef]

Osterheld, A. L.

J. Dunn, Y. Li, A. L. Osterheld, J. Nilsen, J. R. Hunter, and V. N. Shlyaptsev, Phys. Rev. Lett. 84, 4834 (2000).
[CrossRef] [PubMed]

J. Dunn, J. Nilsen, A. L. Osterheld, Y. Li, and V. N. Shlyaptsev, Opt. Lett. 24, 101 (1999).
[CrossRef]

J. Dunn, A. L. Osterheld, R. Shepherd, W. E. White, V. N. Shlyaptsev, and R. E. Stewart, Phys. Rev. Lett. 80, 2825 (1998).
[CrossRef]

Sandner, W.

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

P. V. Nickles, V. N. Shlyaptsev, M. Kalachnikov, M. Schnurer, I. Will, and W. Sandner, Phys. Rev. Lett. 78, 2748 (1997).
[CrossRef]

Schnurer, M.

P. J. Warwick, C. L. S. Lewis, M. P. Kalachnikov, P. V. Nickles, M. Schnurer, A. Behjat, A. Demir, G. J. Tallents, D. Neely, and E. Wolfrum, J. Opt. Soc. Am. B 15, 1808 (1998).
[CrossRef]

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

P. V. Nickles, V. N. Shlyaptsev, M. Kalachnikov, M. Schnurer, I. Will, and W. Sandner, Phys. Rev. Lett. 78, 2748 (1997).
[CrossRef]

Shepherd, R.

J. Dunn, A. L. Osterheld, R. Shepherd, W. E. White, V. N. Shlyaptsev, and R. E. Stewart, Phys. Rev. Lett. 80, 2825 (1998).
[CrossRef]

Sher, M. H.

Shlyaptsev, V. N.

J. Dunn, Y. Li, A. L. Osterheld, J. Nilsen, J. R. Hunter, and V. N. Shlyaptsev, Phys. Rev. Lett. 84, 4834 (2000).
[CrossRef] [PubMed]

J. Dunn, J. Nilsen, A. L. Osterheld, Y. Li, and V. N. Shlyaptsev, Opt. Lett. 24, 101 (1999).
[CrossRef]

J. Dunn, A. L. Osterheld, R. Shepherd, W. E. White, V. N. Shlyaptsev, and R. E. Stewart, Phys. Rev. Lett. 80, 2825 (1998).
[CrossRef]

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

P. V. Nickles, V. N. Shlyaptsev, M. Kalachnikov, M. Schnurer, I. Will, and W. Sandner, Phys. Rev. Lett. 78, 2748 (1997).
[CrossRef]

Stewart, R. E.

J. Dunn, A. L. Osterheld, R. Shepherd, W. E. White, V. N. Shlyaptsev, and R. E. Stewart, Phys. Rev. Lett. 80, 2825 (1998).
[CrossRef]

Tallents, G. J.

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

P. J. Warwick, C. L. S. Lewis, M. P. Kalachnikov, P. V. Nickles, M. Schnurer, A. Behjat, A. Demir, G. J. Tallents, D. Neely, and E. Wolfrum, J. Opt. Soc. Am. B 15, 1808 (1998).
[CrossRef]

Theobald, W.

J. R. Crespo Lopez-Urrutia, E. E. Fill, W. Theobald, and C. Wulker, Proc. SPIE 2012, 258 (1994).
[CrossRef]

Tommasini, R.

R. Tommasini and E. Fill, Phys. Rev. A 62, 034701 (2000).
[CrossRef]

R. Tommasini and E. Fill, J. Opt. Soc. Am. B 17, 1665 (2000).
[CrossRef]

R. Tommasini, S. Insam, and E. Fill, Opt. Commun. 180, 277 (2000).
[CrossRef]

S. Insam, R. Tommasini, and E. Fill, IEEE J. Sel. Top. Quantum Electron. 5, 1510 (1999).
[CrossRef]

Warwick, P. J.

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

P. J. Warwick, C. L. S. Lewis, M. P. Kalachnikov, P. V. Nickles, M. Schnurer, A. Behjat, A. Demir, G. J. Tallents, D. Neely, and E. Wolfrum, J. Opt. Soc. Am. B 15, 1808 (1998).
[CrossRef]

White, W. E.

J. Dunn, A. L. Osterheld, R. Shepherd, W. E. White, V. N. Shlyaptsev, and R. E. Stewart, Phys. Rev. Lett. 80, 2825 (1998).
[CrossRef]

Will, I.

P. V. Nickles, V. N. Shlyaptsev, M. Kalachnikov, M. Schnurer, I. Will, and W. Sandner, Phys. Rev. Lett. 78, 2748 (1997).
[CrossRef]

Wolfrum, E.

P. J. Warwick, C. L. S. Lewis, M. P. Kalachnikov, P. V. Nickles, M. Schnurer, A. Behjat, A. Demir, G. J. Tallents, D. Neely, and E. Wolfrum, J. Opt. Soc. Am. B 15, 1808 (1998).
[CrossRef]

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

Wulker, C.

J. R. Crespo Lopez-Urrutia, E. E. Fill, W. Theobald, and C. Wulker, Proc. SPIE 2012, 258 (1994).
[CrossRef]

Yariv, A.

L. Casperson and A. Yariv, Phys. Rev. Lett. 26, 293 (1971).
[CrossRef]

Young, J. F.

S. J. Benerofe, Y. Guang-Yu, C. P. J. Barty, J. F. Young, and S. E. Harris, Phys. Rev. Lett. 66, 3136 (1991).
[CrossRef] [PubMed]

M. H. Sher, J. J. Macklin, J. F. Young, and S. E. Harris, Opt. Lett. 12, 891 (1987).
[CrossRef] [PubMed]

Zhang, J.

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (1)

S. Insam, R. Tommasini, and E. Fill, IEEE J. Sel. Top. Quantum Electron. 5, 1510 (1999).
[CrossRef]

J. Opt. Soc. Am. B (2)

Opt. Commun. (1)

R. Tommasini, S. Insam, and E. Fill, Opt. Commun. 180, 277 (2000).
[CrossRef]

Opt. Lett. (2)

Phys. Rev. A (2)

M. P. Kalachnikov, P. V. Nickles, M. Schnurer, W. Sandner, V. N. Shlyaptsev, C. Danson, D. Neely, E. Wolfrum, J. Zhang, A. Behjat, A. Demir, G. J. Tallents, P. J. Warwick, and C. L. S. Lewis, Phys. Rev. A 57, 4778 (1998).
[CrossRef]

R. Tommasini and E. Fill, Phys. Rev. A 62, 034701 (2000).
[CrossRef]

Phys. Rev. Lett. (5)

P. V. Nickles, V. N. Shlyaptsev, M. Kalachnikov, M. Schnurer, I. Will, and W. Sandner, Phys. Rev. Lett. 78, 2748 (1997).
[CrossRef]

J. Dunn, A. L. Osterheld, R. Shepherd, W. E. White, V. N. Shlyaptsev, and R. E. Stewart, Phys. Rev. Lett. 80, 2825 (1998).
[CrossRef]

J. Dunn, Y. Li, A. L. Osterheld, J. Nilsen, J. R. Hunter, and V. N. Shlyaptsev, Phys. Rev. Lett. 84, 4834 (2000).
[CrossRef] [PubMed]

L. Casperson and A. Yariv, Phys. Rev. Lett. 26, 293 (1971).
[CrossRef]

S. J. Benerofe, Y. Guang-Yu, C. P. J. Barty, J. F. Young, and S. E. Harris, Phys. Rev. Lett. 66, 3136 (1991).
[CrossRef] [PubMed]

Proc. SPIE (1)

J. R. Crespo Lopez-Urrutia, E. E. Fill, W. Theobald, and C. Wulker, Proc. SPIE 2012, 258 (1994).
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

Simplified setup for slow TWE with a four-step mirror. For simplicity, only the part of the pump beam reflected by the step mirror is shown. The pump beam enters out of plane and is incident over the step mirror at a small vertical angle. Ls is the length of a segment of the medium that corresponds to one step of the mirror and θ is the oblique-incidence angle.

Fig. 2
Fig. 2

Gain behavior with a four-step mirror (piecewise curves). The lower and upper solid curves represent the gain behavior when a flat mirror or a mirror with an infinite number of steps, respectively, is used. The dashed piecewise curve refers to the case of a step mirror giving a vex that perfectly matches vG. The numerical values refer to the special case of H2 discussed in the text. The values of the parameters are G0=5.5 cm-1 and τ0=40 ps.

Fig. 3
Fig. 3

Intensity output from the H2 laser that uses TWE with a four-step mirror or with a flat mirror together with a best fit (solid curves) to the generalized Linford formula.12 The values for the fit parameters are G0=5.5 cm-1 and τ0=40 ps.

Equations (2)

Equations on this page are rendered with MathJax. Learn more.

gnz=G0exp-zτ01vG-1vex×exp-n-1Lsτ01vG-1vex,0z<Ls,
vG/c=1+cgzln2/π31/2Δν-1-1.

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