Abstract

An acousto-optic modulator causes unidirectional operation of dye and Ti:sapphire ring lasers. The modulator has a low insertion loss in the cavity and can be used to switch the direction of the beam electronically. The ring-laser performance is characterized, and experiments to probe the origin of the unidirectional operation are described.

© 1987 Optical Society of America

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References

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  1. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 532.
  2. N. M. Lawandy, R. S. Afzal, IEEE J. Quantum Electron. QE-22, 2251 (1986).
    [CrossRef]
  3. T. F. Johnston, W. Proffitt, IEEE J. Quantum Electron. QE-16, 483 (1980).
    [CrossRef]
  4. W. G. Harter, J. Evans, R. Vega, S. Wilson, Am. J. Phys. 53, 671 (1985).
    [CrossRef]
  5. T. J. Kane, R. L. Byer, Opt. Lett. 10, 65 (1985).
    [CrossRef] [PubMed]
  6. D. C. O'Shea, Elements of Modern Optical Design (Wiley, New York, 1985), p. 278.

1986

N. M. Lawandy, R. S. Afzal, IEEE J. Quantum Electron. QE-22, 2251 (1986).
[CrossRef]

1985

W. G. Harter, J. Evans, R. Vega, S. Wilson, Am. J. Phys. 53, 671 (1985).
[CrossRef]

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

1980

T. F. Johnston, W. Proffitt, IEEE J. Quantum Electron. QE-16, 483 (1980).
[CrossRef]

Afzal, R. S.

N. M. Lawandy, R. S. Afzal, IEEE J. Quantum Electron. QE-22, 2251 (1986).
[CrossRef]

Byer, R. L.

Evans, J.

W. G. Harter, J. Evans, R. Vega, S. Wilson, Am. J. Phys. 53, 671 (1985).
[CrossRef]

Harter, W. G.

W. G. Harter, J. Evans, R. Vega, S. Wilson, Am. J. Phys. 53, 671 (1985).
[CrossRef]

Johnston, T. F.

T. F. Johnston, W. Proffitt, IEEE J. Quantum Electron. QE-16, 483 (1980).
[CrossRef]

Kane, T. J.

Lawandy, N. M.

N. M. Lawandy, R. S. Afzal, IEEE J. Quantum Electron. QE-22, 2251 (1986).
[CrossRef]

O'Shea, D. C.

D. C. O'Shea, Elements of Modern Optical Design (Wiley, New York, 1985), p. 278.

Proffitt, W.

T. F. Johnston, W. Proffitt, IEEE J. Quantum Electron. QE-16, 483 (1980).
[CrossRef]

Siegman, E.

E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 532.

Vega, R.

W. G. Harter, J. Evans, R. Vega, S. Wilson, Am. J. Phys. 53, 671 (1985).
[CrossRef]

Wilson, S.

W. G. Harter, J. Evans, R. Vega, S. Wilson, Am. J. Phys. 53, 671 (1985).
[CrossRef]

Am. J. Phys.

W. G. Harter, J. Evans, R. Vega, S. Wilson, Am. J. Phys. 53, 671 (1985).
[CrossRef]

IEEE J. Quantum Electron.

N. M. Lawandy, R. S. Afzal, IEEE J. Quantum Electron. QE-22, 2251 (1986).
[CrossRef]

T. F. Johnston, W. Proffitt, IEEE J. Quantum Electron. QE-16, 483 (1980).
[CrossRef]

Opt. Lett.

Other

E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 532.

D. C. O'Shea, Elements of Modern Optical Design (Wiley, New York, 1985), p. 278.

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Figures (2)

Fig. 1
Fig. 1

A ring-laser cavity used for obtaining unidirectional single-frequency and, alternatively, unidirectional mode-locked operation. Single-frequency operation is obtained with no rf applied to AOM2 and a 12–50-MHz rf signal applied to AOM1. Mode-locked operation was obtained by applying 120 MHz to AOM2.

Fig. 2
Fig. 2

Trace of the intensities for the two counterpropagating laser beams when the applied frequency to the AOM is switched from 36 to 31.5 MHz. The lasing direction switches in 10 μsec. The intensity scales for the two traces are not normalized.

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