Abstract

Spectral changes in fluorescence and lasing spectra were observed from a noncircularly deformed ink-doped ethanol jet, which was induced by a lateral gas flow. The distortion parameter was determined from the analysis of diffraction patterns to be as much as 10%. Q-spoiling effects were clearly observed in the appearance of high-Q 107 modes in fluorescence and their disappearance in lasing. From the behavior of resonance modes, we concluded that the effective Q does not decrease so rapidly as predicted by the relation obtained from the ray-optics model. We also found that the signals leak out, with a wide angular spreading, mainly from near the boundary of the major axis, even for a large distortion parameter.

© 1997 Optical Society of America

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References

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  1. P. W. Barber and S. C. Hill, Light Scattering by Particles: Computational Methods (World Scientific, Singapore, 1990), pp. 25, 187.
  2. P. Clýlek, H.-B Lin, J. D. Eversole, and A. J. Campillo, Opt. Lett. 16, 1723 (1991).
    [CrossRef]
  3. J. F. Owen, P. W. Barber, B. J. Messinger, and R. K. Chang, Opt. Lett. 6, 272 (1981).
    [CrossRef] [PubMed]
  4. R. G. Pinnick, G. L. Fernández, J.-G. Xie, T. Ruekgauer, J. Gu, and R. L. Armstrong, J. Opt. Soc. Am. B 9, 865 (1992).
    [CrossRef]
  5. T. E. Ruekgauer, P. Nachman, J.-G. Xie, and R. L. Armstrong, Opt. Lett. 20, 2090 (1995).
    [CrossRef] [PubMed]
  6. H.-B. Lin, J. D. Eversole, and A. J. Campillo, Opt. Commun. 77, 407 (1990).
    [CrossRef]
  7. S. L. McCall, A. F. Levi, R. E. Slusher, S. J. Pearton, and R. A. Logan, Appl. Phys. Lett. 60, 289 (1992).
    [CrossRef]
  8. J. U. Nöckel, A. D. Stone, and R. K. Chang, Opt. Lett. 19, 1693 (1994).
    [CrossRef]
  9. H. J. Moon, G. H. Kim, Y. S. Lim, C. S. Go, J. H. Lee, and J. S. Chang, Opt. Lett. 21, 913 (1996).
    [CrossRef] [PubMed]
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    [CrossRef]
  11. H. C. van de Hulst, Light Scattering by Small Particles (Wiley, New York, 1957), p. 375.

1996 (1)

1995 (1)

1994 (1)

1992 (2)

S. L. McCall, A. F. Levi, R. E. Slusher, S. J. Pearton, and R. A. Logan, Appl. Phys. Lett. 60, 289 (1992).
[CrossRef]

R. G. Pinnick, G. L. Fernández, J.-G. Xie, T. Ruekgauer, J. Gu, and R. L. Armstrong, J. Opt. Soc. Am. B 9, 865 (1992).
[CrossRef]

1991 (1)

1990 (1)

H.-B. Lin, J. D. Eversole, and A. J. Campillo, Opt. Commun. 77, 407 (1990).
[CrossRef]

1986 (1)

1981 (1)

Armstrong, R. L.

Barber, P. W.

J. F. Owen, P. W. Barber, B. J. Messinger, and R. K. Chang, Opt. Lett. 6, 272 (1981).
[CrossRef] [PubMed]

P. W. Barber and S. C. Hill, Light Scattering by Particles: Computational Methods (World Scientific, Singapore, 1990), pp. 25, 187.

Benner, R. E.

Campillo, A. J.

P. Clýlek, H.-B Lin, J. D. Eversole, and A. J. Campillo, Opt. Lett. 16, 1723 (1991).
[CrossRef]

H.-B. Lin, J. D. Eversole, and A. J. Campillo, Opt. Commun. 77, 407 (1990).
[CrossRef]

Chang, J. S.

Chang, R. K.

Clýlek, P.

Eversole, J. D.

P. Clýlek, H.-B Lin, J. D. Eversole, and A. J. Campillo, Opt. Lett. 16, 1723 (1991).
[CrossRef]

H.-B. Lin, J. D. Eversole, and A. J. Campillo, Opt. Commun. 77, 407 (1990).
[CrossRef]

Fernández, G. L.

Go, C. S.

Gu, J.

Hill, S. C.

S. C. Hill and R. E. Benner, J. Opt. Soc. Am. B 3, 1509 (1986).
[CrossRef]

P. W. Barber and S. C. Hill, Light Scattering by Particles: Computational Methods (World Scientific, Singapore, 1990), pp. 25, 187.

Kim, G. H.

Lee, J. H.

Levi, A. F.

S. L. McCall, A. F. Levi, R. E. Slusher, S. J. Pearton, and R. A. Logan, Appl. Phys. Lett. 60, 289 (1992).
[CrossRef]

Lim, Y. S.

Lin, H.-B

Lin, H.-B.

H.-B. Lin, J. D. Eversole, and A. J. Campillo, Opt. Commun. 77, 407 (1990).
[CrossRef]

Logan, R. A.

S. L. McCall, A. F. Levi, R. E. Slusher, S. J. Pearton, and R. A. Logan, Appl. Phys. Lett. 60, 289 (1992).
[CrossRef]

McCall, S. L.

S. L. McCall, A. F. Levi, R. E. Slusher, S. J. Pearton, and R. A. Logan, Appl. Phys. Lett. 60, 289 (1992).
[CrossRef]

Messinger, B. J.

Moon, H. J.

Nachman, P.

Nöckel, J. U.

Owen, J. F.

Pearton, S. J.

S. L. McCall, A. F. Levi, R. E. Slusher, S. J. Pearton, and R. A. Logan, Appl. Phys. Lett. 60, 289 (1992).
[CrossRef]

Pinnick, R. G.

Ruekgauer, T.

Ruekgauer, T. E.

Slusher, R. E.

S. L. McCall, A. F. Levi, R. E. Slusher, S. J. Pearton, and R. A. Logan, Appl. Phys. Lett. 60, 289 (1992).
[CrossRef]

Stone, A. D.

van de Hulst, H. C.

H. C. van de Hulst, Light Scattering by Small Particles (Wiley, New York, 1957), p. 375.

Xie, J.-G.

Appl. Phys. Lett. (1)

S. L. McCall, A. F. Levi, R. E. Slusher, S. J. Pearton, and R. A. Logan, Appl. Phys. Lett. 60, 289 (1992).
[CrossRef]

J. Opt. Soc. Am. B (2)

Opt. Commun. (1)

H.-B. Lin, J. D. Eversole, and A. J. Campillo, Opt. Commun. 77, 407 (1990).
[CrossRef]

Opt. Lett. (5)

Other (2)

P. W. Barber and S. C. Hill, Light Scattering by Particles: Computational Methods (World Scientific, Singapore, 1990), pp. 25, 187.

H. C. van de Hulst, Light Scattering by Small Particles (Wiley, New York, 1957), p. 375.

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Figures (5)

Fig. 1
Fig. 1

(a) Experimental setup and schematics of jet deformation by the lateral gas flow. (b) Side view of the deformed jet. B, illuminated position in the experiment. Positions A and C are described in text.

Fig. 2
Fig. 2

Representative diffraction patterns from the ink-doped ethanol jet: (a) distortion parameter η0, (b) η3%, (c) η8%.

Fig. 3
Fig. 3

Spectral changes in fluorescence when η is (a) 0, (b) 2.5, (c) 3.5, (d) 6.5, (e) 7.5, (f) 8.5%.

Fig. 4
Fig. 4

Spectral changes in lasing. The shifts of the peaks are represented by arrows marking the l=6 mode. In (a)–(f) η is the same as in Fig.  3.

Fig. 5
Fig. 5

Spectral changes in lasing when the gas flow is from the side of the screen to the incident laser pulse: (a) η1.5%, (b) η2.5%, (c) η4%, (d) η5.5%.

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