Abstract

We describe electric-field-induced fluctuations in the elastic scattering near optical resonances of a spherical aerosol particle trapped at the null point of an electrodynamic levitator. The particle is apparently driven into a quadrupolar distortion by the electromechanical stress at its surface. Our results coupled with recent theory indicate that the effect is principally due to a modulation in the frequencies of individual optical resonances, that a coherent distortion smaller than one part in 105 (∼0.1 nm) is detected, and that the effect may be used for a continuous probe of surface tension and bulk viscosity.

© 1990 Optical Society of America

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References

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  1. S. Arnold, in Optical Effects Associated with Small Particles, P. W. Barber, R. K. Chang, eds. (World Scientific, Teaneck, N.J., 1988), Chap. 2.
  2. H. M. Lai, P. T. Leung, K. Young, P. W. Barber, S. C. Hill, Phys. Rev. A 41, 5187 (1990).
    [CrossRef] [PubMed]
  3. S. Arnold, L. M. Folan, Rev. Sci. Instrum. 57, 2250 (1986).
    [CrossRef]
  4. S. Arnold, N. Hessel, Rev. Sci. Instrum. 56, 2066 (1985);Rev. Sci. Instrum. 57, 993 (1986).
    [CrossRef]
  5. H.-M. Tzeng, M. B. Long, R. K. Chang, P. W. Barber, Opt. Lett. 10, 209 (1985).
    [CrossRef] [PubMed]
  6. H. Lamb, Hydrodynamics (Dover, New York, 1945), Secs. 275 and 355.
  7. H. M. Lai, P. T. Leung, K. Young, Phys. Rev. A 41, 5026 (1990).
    [CrossRef]
  8. P. T. Leung, K. Young, J. Chem. Phys. 89, 2894 (1988).
    [CrossRef]
  9. S. Arnold, L. M. Folan, Opt. Lett. 14, 387 (1989).
    [CrossRef] [PubMed]
  10. R. G. Pinnick, A. Biswas, P. Chylek, R. G. Armstrong, H. Latifi, E. Creegan, V. Srivastava, M. Jarzembski, G. Fernandez, Opt. Lett. 13, 494 (1988).
    [CrossRef] [PubMed]
  11. J.-Z. Zhang, D. L. Leach, R. K. Chang, Opt. Lett. 13, 270 (1988).
    [CrossRef] [PubMed]

1990 (2)

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, S. C. Hill, Phys. Rev. A 41, 5187 (1990).
[CrossRef] [PubMed]

H. M. Lai, P. T. Leung, K. Young, Phys. Rev. A 41, 5026 (1990).
[CrossRef]

1989 (1)

1988 (3)

1986 (1)

S. Arnold, L. M. Folan, Rev. Sci. Instrum. 57, 2250 (1986).
[CrossRef]

1985 (2)

S. Arnold, N. Hessel, Rev. Sci. Instrum. 56, 2066 (1985);Rev. Sci. Instrum. 57, 993 (1986).
[CrossRef]

H.-M. Tzeng, M. B. Long, R. K. Chang, P. W. Barber, Opt. Lett. 10, 209 (1985).
[CrossRef] [PubMed]

Armstrong, R. G.

Arnold, S.

S. Arnold, L. M. Folan, Opt. Lett. 14, 387 (1989).
[CrossRef] [PubMed]

S. Arnold, L. M. Folan, Rev. Sci. Instrum. 57, 2250 (1986).
[CrossRef]

S. Arnold, N. Hessel, Rev. Sci. Instrum. 56, 2066 (1985);Rev. Sci. Instrum. 57, 993 (1986).
[CrossRef]

S. Arnold, in Optical Effects Associated with Small Particles, P. W. Barber, R. K. Chang, eds. (World Scientific, Teaneck, N.J., 1988), Chap. 2.

Barber, P. W.

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, S. C. Hill, Phys. Rev. A 41, 5187 (1990).
[CrossRef] [PubMed]

H.-M. Tzeng, M. B. Long, R. K. Chang, P. W. Barber, Opt. Lett. 10, 209 (1985).
[CrossRef] [PubMed]

Biswas, A.

Chang, R. K.

Chylek, P.

Creegan, E.

Fernandez, G.

Folan, L. M.

S. Arnold, L. M. Folan, Opt. Lett. 14, 387 (1989).
[CrossRef] [PubMed]

S. Arnold, L. M. Folan, Rev. Sci. Instrum. 57, 2250 (1986).
[CrossRef]

Hessel, N.

S. Arnold, N. Hessel, Rev. Sci. Instrum. 56, 2066 (1985);Rev. Sci. Instrum. 57, 993 (1986).
[CrossRef]

Hill, S. C.

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, S. C. Hill, Phys. Rev. A 41, 5187 (1990).
[CrossRef] [PubMed]

Jarzembski, M.

Lai, H. M.

H. M. Lai, P. T. Leung, K. Young, Phys. Rev. A 41, 5026 (1990).
[CrossRef]

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, S. C. Hill, Phys. Rev. A 41, 5187 (1990).
[CrossRef] [PubMed]

Lamb, H.

H. Lamb, Hydrodynamics (Dover, New York, 1945), Secs. 275 and 355.

Latifi, H.

Leach, D. L.

Leung, P. T.

H. M. Lai, P. T. Leung, K. Young, Phys. Rev. A 41, 5026 (1990).
[CrossRef]

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, S. C. Hill, Phys. Rev. A 41, 5187 (1990).
[CrossRef] [PubMed]

P. T. Leung, K. Young, J. Chem. Phys. 89, 2894 (1988).
[CrossRef]

Long, M. B.

Pinnick, R. G.

Srivastava, V.

Tzeng, H.-M.

Young, K.

H. M. Lai, P. T. Leung, K. Young, Phys. Rev. A 41, 5026 (1990).
[CrossRef]

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, S. C. Hill, Phys. Rev. A 41, 5187 (1990).
[CrossRef] [PubMed]

P. T. Leung, K. Young, J. Chem. Phys. 89, 2894 (1988).
[CrossRef]

Zhang, J.-Z.

J. Chem. Phys. (1)

P. T. Leung, K. Young, J. Chem. Phys. 89, 2894 (1988).
[CrossRef]

Opt. Lett. (4)

Phys. Rev. A (2)

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, S. C. Hill, Phys. Rev. A 41, 5187 (1990).
[CrossRef] [PubMed]

H. M. Lai, P. T. Leung, K. Young, Phys. Rev. A 41, 5026 (1990).
[CrossRef]

Rev. Sci. Instrum. (2)

S. Arnold, L. M. Folan, Rev. Sci. Instrum. 57, 2250 (1986).
[CrossRef]

S. Arnold, N. Hessel, Rev. Sci. Instrum. 56, 2066 (1985);Rev. Sci. Instrum. 57, 993 (1986).
[CrossRef]

Other (2)

H. Lamb, Hydrodynamics (Dover, New York, 1945), Secs. 275 and 355.

S. Arnold, in Optical Effects Associated with Small Particles, P. W. Barber, R. K. Chang, eds. (World Scientific, Teaneck, N.J., 1988), Chap. 2.

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Figures (3)

Fig. 1
Fig. 1

Experimental apparatus.

Fig. 2
Fig. 2

Time-averaged scattering S and electric-field-induced fluctuation |Sω2| spectra of a glycerol particle 24.0 μm in radius; (b) is an enlargement of (a) in the region from 582.22 to 582.74 nm. ω2 and V2 are 2π × 3 kHz and 355 V, respectively.

Fig. 3
Fig. 3

Spectra of a glycerol particle 14.7 μm in radius. ω2 and V2 are 2π × 4 kHz and 450 V, respectively.

Equations (3)

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r ( θ , t ) = a { 1 + P 2 ( θ ) Re [ Δ a exp ( i ω 2 t ) ] } ,
| Δ | a = 4 2 β λ λ r | S ω 2 | S ,
Δ a = [ 1 ( 1 ω 2 2 ω 0 2 ) + i ω 2 λ ω 0 2 ] [ 5 K 2 ( 3 + 2 K ) ] ( a g 0 ) 2 σ e V 2 σ s ,

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