Abstract

A slab laser system consisting of three Nd:YAG slabs with dimensions 7 mm × 26 mm × 191 mm was operated with different resonators in an oscillator–amplifier–amplifier arrangement. In single-shot operation the system provided a maximum output energy of 148 J with a pulse duration of 4 ms and an overall efficiency of 4.3%. A stable resonator provided a maximum steady output power of 2260 W, and we measured beam parameter products of 8 mm mrad in the x direction and 100 mm mrad in the y direction. An output power of 1460 W and beam parameter products of less than 4 mm mrad in both directions were obtained with an unstable resonator with a graded-reflectivity mirror.

© 1993 Optical Society of America

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  1. W. S. Martin, J. P. Chernoch, “Multiple internal reflection face pumped laser,”U.S. patent3,663,126 (January4, 1972).
  2. W. B. Jones, “Face pumped laser with diffraction limited output beam,”U.S. patent4,214,216 (1980).
  3. J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-20, 289 (1984).
    [CrossRef]
  4. J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-21, 1195 (1985).
  5. H. P. van Arb, C. Lüchinger, F. Studer, J. Unternährer, T. Sidler, J. Steffen, J. C. Pole, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 24 (1988).
  6. L. E. Zapata, K. R. Manes, D. Christie, J. Davin, J. Blink, J. Penland, R. Demarer, G. Dallum, Proc. Soc. Photo-Opt. Instrum. Eng. 1223, 259 (1990).
  7. B. J. Comaskey, R. Beach, G. Albrecht, W. J. Benett, B. L. Freitas, C. Petty, D. VanLue, D. Mundinger, R. W. Solarz, IEEE J. Quantum Electron. 28, 992 (1992).
    [CrossRef]
  8. M. Kumkar, B. Wedel, K. Richter, Opt. Laser Technol. 24, 67 (1992).
    [CrossRef]
  9. A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), pp. 858–913.
  10. K. Kuba, T. Yamamoto, S. Yagi, Opt. Lett. 15, 121 (1990).
    [CrossRef] [PubMed]
  11. N. Hodgson, T. Haase, Opt. Quantum Electron. 24, 903 (1992).
    [CrossRef]
  12. J. Eicher, N. Hodgson, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 147 (1988).
  13. J. Eicher, N. Hodgson, H. Weber, J. Appl. Phys. 66, 4608 (1989).
    [CrossRef]
  14. N. Hodgson, T. Haase, H. Weber, Proc. Soc. Photo-Opt. Instrum. Eng. 1277, 72 (1990).

1992

B. J. Comaskey, R. Beach, G. Albrecht, W. J. Benett, B. L. Freitas, C. Petty, D. VanLue, D. Mundinger, R. W. Solarz, IEEE J. Quantum Electron. 28, 992 (1992).
[CrossRef]

M. Kumkar, B. Wedel, K. Richter, Opt. Laser Technol. 24, 67 (1992).
[CrossRef]

N. Hodgson, T. Haase, Opt. Quantum Electron. 24, 903 (1992).
[CrossRef]

1990

K. Kuba, T. Yamamoto, S. Yagi, Opt. Lett. 15, 121 (1990).
[CrossRef] [PubMed]

L. E. Zapata, K. R. Manes, D. Christie, J. Davin, J. Blink, J. Penland, R. Demarer, G. Dallum, Proc. Soc. Photo-Opt. Instrum. Eng. 1223, 259 (1990).

N. Hodgson, T. Haase, H. Weber, Proc. Soc. Photo-Opt. Instrum. Eng. 1277, 72 (1990).

1989

J. Eicher, N. Hodgson, H. Weber, J. Appl. Phys. 66, 4608 (1989).
[CrossRef]

1988

H. P. van Arb, C. Lüchinger, F. Studer, J. Unternährer, T. Sidler, J. Steffen, J. C. Pole, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 24 (1988).

J. Eicher, N. Hodgson, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 147 (1988).

1985

J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-21, 1195 (1985).

1984

J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-20, 289 (1984).
[CrossRef]

Albrecht, G.

B. J. Comaskey, R. Beach, G. Albrecht, W. J. Benett, B. L. Freitas, C. Petty, D. VanLue, D. Mundinger, R. W. Solarz, IEEE J. Quantum Electron. 28, 992 (1992).
[CrossRef]

Beach, R.

B. J. Comaskey, R. Beach, G. Albrecht, W. J. Benett, B. L. Freitas, C. Petty, D. VanLue, D. Mundinger, R. W. Solarz, IEEE J. Quantum Electron. 28, 992 (1992).
[CrossRef]

Benett, W. J.

B. J. Comaskey, R. Beach, G. Albrecht, W. J. Benett, B. L. Freitas, C. Petty, D. VanLue, D. Mundinger, R. W. Solarz, IEEE J. Quantum Electron. 28, 992 (1992).
[CrossRef]

Blink, J.

L. E. Zapata, K. R. Manes, D. Christie, J. Davin, J. Blink, J. Penland, R. Demarer, G. Dallum, Proc. Soc. Photo-Opt. Instrum. Eng. 1223, 259 (1990).

Byer, R. L.

J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-21, 1195 (1985).

J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-20, 289 (1984).
[CrossRef]

Chernoch, J. P.

W. S. Martin, J. P. Chernoch, “Multiple internal reflection face pumped laser,”U.S. patent3,663,126 (January4, 1972).

Christie, D.

L. E. Zapata, K. R. Manes, D. Christie, J. Davin, J. Blink, J. Penland, R. Demarer, G. Dallum, Proc. Soc. Photo-Opt. Instrum. Eng. 1223, 259 (1990).

Comaskey, B. J.

B. J. Comaskey, R. Beach, G. Albrecht, W. J. Benett, B. L. Freitas, C. Petty, D. VanLue, D. Mundinger, R. W. Solarz, IEEE J. Quantum Electron. 28, 992 (1992).
[CrossRef]

Dallum, G.

L. E. Zapata, K. R. Manes, D. Christie, J. Davin, J. Blink, J. Penland, R. Demarer, G. Dallum, Proc. Soc. Photo-Opt. Instrum. Eng. 1223, 259 (1990).

Davin, J.

L. E. Zapata, K. R. Manes, D. Christie, J. Davin, J. Blink, J. Penland, R. Demarer, G. Dallum, Proc. Soc. Photo-Opt. Instrum. Eng. 1223, 259 (1990).

Demarer, R.

L. E. Zapata, K. R. Manes, D. Christie, J. Davin, J. Blink, J. Penland, R. Demarer, G. Dallum, Proc. Soc. Photo-Opt. Instrum. Eng. 1223, 259 (1990).

Eggleston, J. M.

J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-21, 1195 (1985).

J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-20, 289 (1984).
[CrossRef]

Eicher, J.

J. Eicher, N. Hodgson, H. Weber, J. Appl. Phys. 66, 4608 (1989).
[CrossRef]

J. Eicher, N. Hodgson, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 147 (1988).

Freitas, B. L.

B. J. Comaskey, R. Beach, G. Albrecht, W. J. Benett, B. L. Freitas, C. Petty, D. VanLue, D. Mundinger, R. W. Solarz, IEEE J. Quantum Electron. 28, 992 (1992).
[CrossRef]

Haase, T.

N. Hodgson, T. Haase, Opt. Quantum Electron. 24, 903 (1992).
[CrossRef]

N. Hodgson, T. Haase, H. Weber, Proc. Soc. Photo-Opt. Instrum. Eng. 1277, 72 (1990).

Hodgson, N.

N. Hodgson, T. Haase, Opt. Quantum Electron. 24, 903 (1992).
[CrossRef]

N. Hodgson, T. Haase, H. Weber, Proc. Soc. Photo-Opt. Instrum. Eng. 1277, 72 (1990).

J. Eicher, N. Hodgson, H. Weber, J. Appl. Phys. 66, 4608 (1989).
[CrossRef]

J. Eicher, N. Hodgson, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 147 (1988).

Jones, W. B.

W. B. Jones, “Face pumped laser with diffraction limited output beam,”U.S. patent4,214,216 (1980).

Kane, T. J.

J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-21, 1195 (1985).

J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-20, 289 (1984).
[CrossRef]

Kuba, K.

Kumkar, M.

M. Kumkar, B. Wedel, K. Richter, Opt. Laser Technol. 24, 67 (1992).
[CrossRef]

Lüchinger, C.

H. P. van Arb, C. Lüchinger, F. Studer, J. Unternährer, T. Sidler, J. Steffen, J. C. Pole, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 24 (1988).

Manes, K. R.

L. E. Zapata, K. R. Manes, D. Christie, J. Davin, J. Blink, J. Penland, R. Demarer, G. Dallum, Proc. Soc. Photo-Opt. Instrum. Eng. 1223, 259 (1990).

Martin, W. S.

W. S. Martin, J. P. Chernoch, “Multiple internal reflection face pumped laser,”U.S. patent3,663,126 (January4, 1972).

Mundinger, D.

B. J. Comaskey, R. Beach, G. Albrecht, W. J. Benett, B. L. Freitas, C. Petty, D. VanLue, D. Mundinger, R. W. Solarz, IEEE J. Quantum Electron. 28, 992 (1992).
[CrossRef]

Penland, J.

L. E. Zapata, K. R. Manes, D. Christie, J. Davin, J. Blink, J. Penland, R. Demarer, G. Dallum, Proc. Soc. Photo-Opt. Instrum. Eng. 1223, 259 (1990).

Petty, C.

B. J. Comaskey, R. Beach, G. Albrecht, W. J. Benett, B. L. Freitas, C. Petty, D. VanLue, D. Mundinger, R. W. Solarz, IEEE J. Quantum Electron. 28, 992 (1992).
[CrossRef]

Pole, J. C.

H. P. van Arb, C. Lüchinger, F. Studer, J. Unternährer, T. Sidler, J. Steffen, J. C. Pole, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 24 (1988).

Richter, K.

M. Kumkar, B. Wedel, K. Richter, Opt. Laser Technol. 24, 67 (1992).
[CrossRef]

Sidler, T.

H. P. van Arb, C. Lüchinger, F. Studer, J. Unternährer, T. Sidler, J. Steffen, J. C. Pole, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 24 (1988).

Siegman, A. E.

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), pp. 858–913.

Solarz, R. W.

B. J. Comaskey, R. Beach, G. Albrecht, W. J. Benett, B. L. Freitas, C. Petty, D. VanLue, D. Mundinger, R. W. Solarz, IEEE J. Quantum Electron. 28, 992 (1992).
[CrossRef]

Steffen, J.

H. P. van Arb, C. Lüchinger, F. Studer, J. Unternährer, T. Sidler, J. Steffen, J. C. Pole, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 24 (1988).

Studer, F.

H. P. van Arb, C. Lüchinger, F. Studer, J. Unternährer, T. Sidler, J. Steffen, J. C. Pole, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 24 (1988).

Unternährer, J.

H. P. van Arb, C. Lüchinger, F. Studer, J. Unternährer, T. Sidler, J. Steffen, J. C. Pole, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 24 (1988).

J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-21, 1195 (1985).

J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-20, 289 (1984).
[CrossRef]

van Arb, H. P.

H. P. van Arb, C. Lüchinger, F. Studer, J. Unternährer, T. Sidler, J. Steffen, J. C. Pole, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 24 (1988).

VanLue, D.

B. J. Comaskey, R. Beach, G. Albrecht, W. J. Benett, B. L. Freitas, C. Petty, D. VanLue, D. Mundinger, R. W. Solarz, IEEE J. Quantum Electron. 28, 992 (1992).
[CrossRef]

Weber, H.

N. Hodgson, T. Haase, H. Weber, Proc. Soc. Photo-Opt. Instrum. Eng. 1277, 72 (1990).

J. Eicher, N. Hodgson, H. Weber, J. Appl. Phys. 66, 4608 (1989).
[CrossRef]

Wedel, B.

M. Kumkar, B. Wedel, K. Richter, Opt. Laser Technol. 24, 67 (1992).
[CrossRef]

Yagi, S.

Yamamoto, T.

Zapata, L. E.

L. E. Zapata, K. R. Manes, D. Christie, J. Davin, J. Blink, J. Penland, R. Demarer, G. Dallum, Proc. Soc. Photo-Opt. Instrum. Eng. 1223, 259 (1990).

IEEE J. Quantum Electron.

J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-20, 289 (1984).
[CrossRef]

J. M. Eggleston, T. J. Kane, J. Unternährer, R. L. Byer, IEEE J. Quantum Electron. QE-21, 1195 (1985).

B. J. Comaskey, R. Beach, G. Albrecht, W. J. Benett, B. L. Freitas, C. Petty, D. VanLue, D. Mundinger, R. W. Solarz, IEEE J. Quantum Electron. 28, 992 (1992).
[CrossRef]

J. Appl. Phys.

J. Eicher, N. Hodgson, H. Weber, J. Appl. Phys. 66, 4608 (1989).
[CrossRef]

Opt. Laser Technol.

M. Kumkar, B. Wedel, K. Richter, Opt. Laser Technol. 24, 67 (1992).
[CrossRef]

Opt. Lett.

Opt. Quantum Electron.

N. Hodgson, T. Haase, Opt. Quantum Electron. 24, 903 (1992).
[CrossRef]

Proc. Soc. Photo-Opt. Instrum. Eng.

J. Eicher, N. Hodgson, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 147 (1988).

N. Hodgson, T. Haase, H. Weber, Proc. Soc. Photo-Opt. Instrum. Eng. 1277, 72 (1990).

H. P. van Arb, C. Lüchinger, F. Studer, J. Unternährer, T. Sidler, J. Steffen, J. C. Pole, Proc. Soc. Photo-Opt. Instrum. Eng. 1021, 24 (1988).

L. E. Zapata, K. R. Manes, D. Christie, J. Davin, J. Blink, J. Penland, R. Demarer, G. Dallum, Proc. Soc. Photo-Opt. Instrum. Eng. 1223, 259 (1990).

Other

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), pp. 858–913.

W. S. Martin, J. P. Chernoch, “Multiple internal reflection face pumped laser,”U.S. patent3,663,126 (January4, 1972).

W. B. Jones, “Face pumped laser with diffraction limited output beam,”U.S. patent4,214,216 (1980).

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Figures (6)

Fig. 1
Fig. 1

Cross-sectional view of one slab laser head and schematic of the Nd:YAG slab used.

Fig. 2
Fig. 2

Laser head arrangement with (a) a stable resonator and (b) a negative-branch unstable resonator with a graded-reflectivity mirror. Slabs 1 and 2 were pumped with an input energy of 1300 J, while slab 3 was pumped with an energy of 840 J. Dimensions are given in millimeters.

Fig. 3
Fig. 3

Measured reflectivity profiles in the x and y directions of the graded-reflectivity mirror. A 2–in.-(5.1-cm-) wide substrate was coated by use of a rectangular mask. The FWHM widths of the reflecting area are dx = 4 mm and dy = 14 mm.

Fig. 4
Fig. 4

(a) Measured maximum output power (filled symbols, taken 20 s after switch-on) and steady-state output power after 3 min of operation (open symbols) for the stable resonator shown in Fig. 2(a) with one slab (osc.), two slabs (osc./amp.), and three slabs (osc./amp./amp.). The pump energy per pulse was 1300 J for slabs 1 and 2 and 840 J for slab 3, with a pulse duration of 4 ms. (b) Measured beam parameter products (86.5% energy content) in the x and y directions for the setups used in (a).

Fig. 5
Fig. 5

(a) Measured maximum output power (filled symbols, taken 20 s after switch-on) and steady-state output power after 3 min of operation (open symbols) for the unstable resonator shown in Fig. 2(b) with one slab (osc.), two slabs (osc./amp.), and three slabs (osc./amp./amp.). The pumping conditions are as in Fig. 4. (b) Measured beam parameter products (86.5% energy content) in the x and y directions for the setups used in (a).

Fig. 6
Fig. 6

Measured intensity profiles in the x and y directions across the output coupler (upper plots) and in the focal plane of the focusing optics shown (lower plots). The repetition rate was 2 Hz, and both amplifier slabs were removed.

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