Abstract

A three-mirror Ti:sapphire ring laser with a cavity length of 11 cm is injection seeded with a single-mode laser diode operating at 784 nm. The seed beam is injected into the ring cavity through the output coupler. The incident seed power is 11 mW. The ring laser is pumped with a frequency-doubled Nd:YAG laser. An efficiency of 40% is demonstrated. With the seed beam present, oscillation in the ring cavity is unidirectional, and the output is single frequency. The duration of the output pulse is 4 ns FWHM, and the temporal jitter with respect to the 532-nm pump pulse is less than ±300 ps. The spatial profile of the output beam is near diffraction limited (M2 < 1.1).

© 1992 Optical Society of America

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References

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  1. J. M. Eggleston, L. G. DeShazer, K. W. Kangas, IEEE J. Quantum Electron. 24, 1009 (1988).
    [CrossRef]
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    [CrossRef]
  3. C. H. Bair, P. Brockman, R. V. Hess, E. A. Modlin, IEEE J. Quantum Electron. 24, 1045(1988).
    [CrossRef]
  4. G. A. Rines, P. F. Moulton, Opt. Lett. 15, 434 (1990).
    [CrossRef] [PubMed]
  5. T. D. Raymond, A. V. Smith, Opt. Lett. 16, 33 (1991).
    [CrossRef] [PubMed]
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  7. C. H. Muller, D. D. Lowenthal, M. A. DeFaccio, A. V. Smith, Opt. Lett. 13, 651 (1988).
    [CrossRef]

1991 (1)

1990 (2)

G. A. Rines, P. F. Moulton, Opt. Lett. 15, 434 (1990).
[CrossRef] [PubMed]

T. F. Johnson, Laser Focus World 26(5), 173 (1990).

1988 (3)

C. H. Muller, D. D. Lowenthal, M. A. DeFaccio, A. V. Smith, Opt. Lett. 13, 651 (1988).
[CrossRef]

J. M. Eggleston, L. G. DeShazer, K. W. Kangas, IEEE J. Quantum Electron. 24, 1009 (1988).
[CrossRef]

C. H. Bair, P. Brockman, R. V. Hess, E. A. Modlin, IEEE J. Quantum Electron. 24, 1045(1988).
[CrossRef]

1984 (1)

Y. K. Park, G. Guiliani, R. L. Byer, IEEE J. Quantum Electron. QE-20, 117 (1984).
[CrossRef]

Bair, C. H.

C. H. Bair, P. Brockman, R. V. Hess, E. A. Modlin, IEEE J. Quantum Electron. 24, 1045(1988).
[CrossRef]

Brockman, P.

C. H. Bair, P. Brockman, R. V. Hess, E. A. Modlin, IEEE J. Quantum Electron. 24, 1045(1988).
[CrossRef]

Byer, R. L.

Y. K. Park, G. Guiliani, R. L. Byer, IEEE J. Quantum Electron. QE-20, 117 (1984).
[CrossRef]

DeFaccio, M. A.

DeShazer, L. G.

J. M. Eggleston, L. G. DeShazer, K. W. Kangas, IEEE J. Quantum Electron. 24, 1009 (1988).
[CrossRef]

Eggleston, J. M.

J. M. Eggleston, L. G. DeShazer, K. W. Kangas, IEEE J. Quantum Electron. 24, 1009 (1988).
[CrossRef]

Guiliani, G.

Y. K. Park, G. Guiliani, R. L. Byer, IEEE J. Quantum Electron. QE-20, 117 (1984).
[CrossRef]

Hess, R. V.

C. H. Bair, P. Brockman, R. V. Hess, E. A. Modlin, IEEE J. Quantum Electron. 24, 1045(1988).
[CrossRef]

Johnson, T. F.

T. F. Johnson, Laser Focus World 26(5), 173 (1990).

Kangas, K. W.

J. M. Eggleston, L. G. DeShazer, K. W. Kangas, IEEE J. Quantum Electron. 24, 1009 (1988).
[CrossRef]

Lowenthal, D. D.

Modlin, E. A.

C. H. Bair, P. Brockman, R. V. Hess, E. A. Modlin, IEEE J. Quantum Electron. 24, 1045(1988).
[CrossRef]

Moulton, P. F.

Muller, C. H.

Park, Y. K.

Y. K. Park, G. Guiliani, R. L. Byer, IEEE J. Quantum Electron. QE-20, 117 (1984).
[CrossRef]

Raymond, T. D.

Rines, G. A.

Smith, A. V.

IEEE J. Quantum Electron. (3)

J. M. Eggleston, L. G. DeShazer, K. W. Kangas, IEEE J. Quantum Electron. 24, 1009 (1988).
[CrossRef]

Y. K. Park, G. Guiliani, R. L. Byer, IEEE J. Quantum Electron. QE-20, 117 (1984).
[CrossRef]

C. H. Bair, P. Brockman, R. V. Hess, E. A. Modlin, IEEE J. Quantum Electron. 24, 1045(1988).
[CrossRef]

Laser Focus World (1)

T. F. Johnson, Laser Focus World 26(5), 173 (1990).

Opt. Lett. (3)

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Figures (4)

Fig. 1
Fig. 1

Injection-seeded Ti:sapphire ring laser. The seed beam is generated with a 30-mW single-mode laser diode. A lock-in feedback loop stabilizes the ring cavity to match the seed beam and longitudinal mode frequencies.

Fig. 2
Fig. 2

Distribution of the buildup time for the injection-seeded ring oscillator. This distribution was recorded with the 66%R coupler. The energy of the pump beam was 70 mJ. The distribution is composed of 6000 laser shots.

Fig. 3
Fig. 3

Temporal jitter values for the (a) 77%R and (b) 66%R couplers. Data from three dates are given for each coupler. The jitter values are determined from the buildup time distributions that are measured over ≥6000 laser shots.

Fig. 4
Fig. 4

Temporal and amplitude stability of the output pulses. The oscilloscope trace is a collection of 100 laser shots. The time scale is 2 ns/division.

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