Abstract

We report a laser cavity that has a ring as its output mode. The radius of the ring can be scanned by tuning the laser frequency. This design can be implemented in any tunable laser with large gain and can be useful when ring illumination patterns are needed. As an example, we demonstrate this new cavity configuration by using a side-pumped grazing-incidence dye laser.

© 1993 Optical Society of America

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References

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  1. Y. S. Kim, H. Rabitz, A. Askar, J. B. McManus, Phys. Rev. B 44, 4892 (1986).
    [CrossRef]
  2. A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), Chaps. 22 and 23.
  3. M. G. Littman, H. J. Metcalf, Appl. Opt. 17, 2224 (1978); I. Shoshan, N. Danon, U. Oppenheim, J. Appl. Phys. 48, 4495 (1977).
    [CrossRef] [PubMed]
  4. A. Yariv, Optical Electronics (CBS College Publishing, New York, 1985), p. 31.

1986 (1)

Y. S. Kim, H. Rabitz, A. Askar, J. B. McManus, Phys. Rev. B 44, 4892 (1986).
[CrossRef]

1978 (1)

Askar, A.

Y. S. Kim, H. Rabitz, A. Askar, J. B. McManus, Phys. Rev. B 44, 4892 (1986).
[CrossRef]

Kim, Y. S.

Y. S. Kim, H. Rabitz, A. Askar, J. B. McManus, Phys. Rev. B 44, 4892 (1986).
[CrossRef]

Littman, M. G.

McManus, J. B.

Y. S. Kim, H. Rabitz, A. Askar, J. B. McManus, Phys. Rev. B 44, 4892 (1986).
[CrossRef]

Metcalf, H. J.

Rabitz, H.

Y. S. Kim, H. Rabitz, A. Askar, J. B. McManus, Phys. Rev. B 44, 4892 (1986).
[CrossRef]

Siegman, A. E.

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), Chaps. 22 and 23.

Yariv, A.

A. Yariv, Optical Electronics (CBS College Publishing, New York, 1985), p. 31.

Appl. Opt. (1)

Phys. Rev. B (1)

Y. S. Kim, H. Rabitz, A. Askar, J. B. McManus, Phys. Rev. B 44, 4892 (1986).
[CrossRef]

Other (2)

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), Chaps. 22 and 23.

A. Yariv, Optical Electronics (CBS College Publishing, New York, 1985), p. 31.

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Figures (2)

Fig. 1
Fig. 1

Schematic of the laser cavity.

Fig. 2
Fig. 2

Laser output mode as viewed in the focal plane of a lens external to the cavity when the frequency of the laser is tuned. Clockwise from top left: ω = ω0 ≈ 17,240 cm−1, ω = ω0 − 0.4 cm−1, ω = ω0 − 0.8 cm−1, and ω = ω0 − 1.2 cm−1.

Equations (3)

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2 n d cos ( θ ) = m λ ,
2 n d = m 0 λ 0 ,
θ 0 = arccos ( m 0 - 1 m 0 ) .

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