Abstract

We have achieved 62 dB of gain in a four-pass 4 mm × 4 mm × 10 cm flash-lamp-pumped Nd:YAG slab laser amplifier. The zigzag-slab geometry permits the overlap of several beams in a small gain volume and thus provides efficient high-gain unsaturated amplification.

© 1986 Optical Society of America

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References

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  1. B. Zhou, T. J. Kane, G. J. Dixon, R. L. Byer, Opt. Lett. 10, 62 (1985).
    [CrossRef] [PubMed]
  2. T. J. Kane, R. L. Byer, Opt. Lett. 10, 65 (1985).
    [CrossRef] [PubMed]
  3. T. J. Kane, B. Zhou, R. L. Byer, Appl. Opt. 23, 2477 (1984).
    [CrossRef] [PubMed]
  4. R. L. Byer, G. J. Dixon, T. J. Kane, W. J. Kozlovsky, B. Zhou, in Laser Spectroscopy, T. W. Hänsch, Y. R. Shen, eds. (Springer-Verlag, Berlin, 1985), Vol. 7, p. 350.
  5. G. J. Hulme, W. B. Jones, Proc. Soc. Photo-Opt. Instrum. Eng. 69, 38 (1975).
  6. A. Yariv, Quantum Electronics, 2nd ed. (Wiley, New York, 1975), p. 294.

1985 (2)

1984 (1)

1975 (1)

G. J. Hulme, W. B. Jones, Proc. Soc. Photo-Opt. Instrum. Eng. 69, 38 (1975).

Byer, R. L.

B. Zhou, T. J. Kane, G. J. Dixon, R. L. Byer, Opt. Lett. 10, 62 (1985).
[CrossRef] [PubMed]

T. J. Kane, R. L. Byer, Opt. Lett. 10, 65 (1985).
[CrossRef] [PubMed]

T. J. Kane, B. Zhou, R. L. Byer, Appl. Opt. 23, 2477 (1984).
[CrossRef] [PubMed]

R. L. Byer, G. J. Dixon, T. J. Kane, W. J. Kozlovsky, B. Zhou, in Laser Spectroscopy, T. W. Hänsch, Y. R. Shen, eds. (Springer-Verlag, Berlin, 1985), Vol. 7, p. 350.

Dixon, G. J.

B. Zhou, T. J. Kane, G. J. Dixon, R. L. Byer, Opt. Lett. 10, 62 (1985).
[CrossRef] [PubMed]

R. L. Byer, G. J. Dixon, T. J. Kane, W. J. Kozlovsky, B. Zhou, in Laser Spectroscopy, T. W. Hänsch, Y. R. Shen, eds. (Springer-Verlag, Berlin, 1985), Vol. 7, p. 350.

Hulme, G. J.

G. J. Hulme, W. B. Jones, Proc. Soc. Photo-Opt. Instrum. Eng. 69, 38 (1975).

Jones, W. B.

G. J. Hulme, W. B. Jones, Proc. Soc. Photo-Opt. Instrum. Eng. 69, 38 (1975).

Kane, T. J.

B. Zhou, T. J. Kane, G. J. Dixon, R. L. Byer, Opt. Lett. 10, 62 (1985).
[CrossRef] [PubMed]

T. J. Kane, R. L. Byer, Opt. Lett. 10, 65 (1985).
[CrossRef] [PubMed]

T. J. Kane, B. Zhou, R. L. Byer, Appl. Opt. 23, 2477 (1984).
[CrossRef] [PubMed]

R. L. Byer, G. J. Dixon, T. J. Kane, W. J. Kozlovsky, B. Zhou, in Laser Spectroscopy, T. W. Hänsch, Y. R. Shen, eds. (Springer-Verlag, Berlin, 1985), Vol. 7, p. 350.

Kozlovsky, W. J.

R. L. Byer, G. J. Dixon, T. J. Kane, W. J. Kozlovsky, B. Zhou, in Laser Spectroscopy, T. W. Hänsch, Y. R. Shen, eds. (Springer-Verlag, Berlin, 1985), Vol. 7, p. 350.

Yariv, A.

A. Yariv, Quantum Electronics, 2nd ed. (Wiley, New York, 1975), p. 294.

Zhou, B.

B. Zhou, T. J. Kane, G. J. Dixon, R. L. Byer, Opt. Lett. 10, 62 (1985).
[CrossRef] [PubMed]

T. J. Kane, B. Zhou, R. L. Byer, Appl. Opt. 23, 2477 (1984).
[CrossRef] [PubMed]

R. L. Byer, G. J. Dixon, T. J. Kane, W. J. Kozlovsky, B. Zhou, in Laser Spectroscopy, T. W. Hänsch, Y. R. Shen, eds. (Springer-Verlag, Berlin, 1985), Vol. 7, p. 350.

Appl. Opt. (1)

Opt. Lett. (2)

Proc. Soc. Photo-Opt. Instrum. Eng. (1)

G. J. Hulme, W. B. Jones, Proc. Soc. Photo-Opt. Instrum. Eng. 69, 38 (1975).

Other (2)

A. Yariv, Quantum Electronics, 2nd ed. (Wiley, New York, 1975), p. 294.

R. L. Byer, G. J. Dixon, T. J. Kane, W. J. Kozlovsky, B. Zhou, in Laser Spectroscopy, T. W. Hänsch, Y. R. Shen, eds. (Springer-Verlag, Berlin, 1985), Vol. 7, p. 350.

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Figures (4)

Fig. 1
Fig. 1

(a) Two possible paths through a zigzag slab. (b) Dimensions and angles that describe the slab geometry. View is from above the slab.

Fig. 2
Fig. 2

Cross section of the laser amplifier head designed for the multipass zigzag slab. The windows allow beams at a variety of angles to enter and leave the slab. Coolant surrounds all four optical surfaces of the slab, which is held by the trapezoidal-shaped surfaces.

Fig. 3
Fig. 3

The head and reinjection optics for the four-pass amplifier. Overall dimensions of the reinjection layout were 30 cm × 100 cm.

Fig. 4
Fig. 4

Unsaturated gain of the amplifier. Parasitic oscillation limited the four-pass gain to 62 dB.

Equations (3)

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n cos ( θ + s ) = cos ( δ + s ) ,
tan ( θ ) = N t / L ,
tan ( θ ) = ( N - 1 ) t / [ L - t cot ( s ) ] .

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