Abstract

The 150-km optical path between the astronomical observatories of Izaña on Tenerife and Roque de Los Muchachos on La Palma provides an optimum scenario for on-ground tests of optical communication systems for intersatellite communications. We present calculations of the effects of Saharan dust invasions—one of the most significant disturbances in this region–on the optical attenuation in the 780–880-nm spectral band.

© 1992 Optical Society of America

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References

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  1. D. Ruiz, R. Czichy, J. Bará, A. Comerón, A. Belmonte, P. Menéndez-Valdés, F. Blanco, C. Pedreira, in Free-space Laser Communication Technologies II, D. L. Begley, B. D. Seery, eds., Proc. Soc. Photo-Opt. Instrum. Eng.1218, 419–430 (1990)
  2. P. Murdin, “Nighttime skies above the Canary Islands,” Vistas Astron. 28, 449–465 (1985).
    [CrossRef]
  3. P. Murdin, “Geology and meteorology of Saharan dust,” RGO/La Palma Tech. Note 41 (Apr.1986).
  4. D. C. B. Whittet, M. F. Bode, P. Murdin, “The extinction properties of Saharan dust over La Palma,” Vistas Astron. 30, 135–144 (1987).
    [CrossRef]
  5. E. M. Patterson, D. A. Gillette, B. H. Stockton, “Complex index of refraction between 300 and 700 nm for Saharan Aerosols,” J. Geophys. Res. 82, 3153–3160 (1977).
    [CrossRef]
  6. D. H. P. Jones, RGO/La Palma Tech. Note 10 (1984).
  7. D. J. Strickland, C. Lloyd, C. D. Pike, E. N. Walker, “The photometric properties of atmospheric dust over the La Palma observatory,” Observatory 107, 74–78 (1987).

1987 (2)

D. C. B. Whittet, M. F. Bode, P. Murdin, “The extinction properties of Saharan dust over La Palma,” Vistas Astron. 30, 135–144 (1987).
[CrossRef]

D. J. Strickland, C. Lloyd, C. D. Pike, E. N. Walker, “The photometric properties of atmospheric dust over the La Palma observatory,” Observatory 107, 74–78 (1987).

1985 (1)

P. Murdin, “Nighttime skies above the Canary Islands,” Vistas Astron. 28, 449–465 (1985).
[CrossRef]

1977 (1)

E. M. Patterson, D. A. Gillette, B. H. Stockton, “Complex index of refraction between 300 and 700 nm for Saharan Aerosols,” J. Geophys. Res. 82, 3153–3160 (1977).
[CrossRef]

Bará, J.

D. Ruiz, R. Czichy, J. Bará, A. Comerón, A. Belmonte, P. Menéndez-Valdés, F. Blanco, C. Pedreira, in Free-space Laser Communication Technologies II, D. L. Begley, B. D. Seery, eds., Proc. Soc. Photo-Opt. Instrum. Eng.1218, 419–430 (1990)

Belmonte, A.

D. Ruiz, R. Czichy, J. Bará, A. Comerón, A. Belmonte, P. Menéndez-Valdés, F. Blanco, C. Pedreira, in Free-space Laser Communication Technologies II, D. L. Begley, B. D. Seery, eds., Proc. Soc. Photo-Opt. Instrum. Eng.1218, 419–430 (1990)

Blanco, F.

D. Ruiz, R. Czichy, J. Bará, A. Comerón, A. Belmonte, P. Menéndez-Valdés, F. Blanco, C. Pedreira, in Free-space Laser Communication Technologies II, D. L. Begley, B. D. Seery, eds., Proc. Soc. Photo-Opt. Instrum. Eng.1218, 419–430 (1990)

Bode, M. F.

D. C. B. Whittet, M. F. Bode, P. Murdin, “The extinction properties of Saharan dust over La Palma,” Vistas Astron. 30, 135–144 (1987).
[CrossRef]

Comerón, A.

D. Ruiz, R. Czichy, J. Bará, A. Comerón, A. Belmonte, P. Menéndez-Valdés, F. Blanco, C. Pedreira, in Free-space Laser Communication Technologies II, D. L. Begley, B. D. Seery, eds., Proc. Soc. Photo-Opt. Instrum. Eng.1218, 419–430 (1990)

Czichy, R.

D. Ruiz, R. Czichy, J. Bará, A. Comerón, A. Belmonte, P. Menéndez-Valdés, F. Blanco, C. Pedreira, in Free-space Laser Communication Technologies II, D. L. Begley, B. D. Seery, eds., Proc. Soc. Photo-Opt. Instrum. Eng.1218, 419–430 (1990)

Gillette, D. A.

E. M. Patterson, D. A. Gillette, B. H. Stockton, “Complex index of refraction between 300 and 700 nm for Saharan Aerosols,” J. Geophys. Res. 82, 3153–3160 (1977).
[CrossRef]

Jones, D. H. P.

D. H. P. Jones, RGO/La Palma Tech. Note 10 (1984).

Lloyd, C.

D. J. Strickland, C. Lloyd, C. D. Pike, E. N. Walker, “The photometric properties of atmospheric dust over the La Palma observatory,” Observatory 107, 74–78 (1987).

Menéndez-Valdés, P.

D. Ruiz, R. Czichy, J. Bará, A. Comerón, A. Belmonte, P. Menéndez-Valdés, F. Blanco, C. Pedreira, in Free-space Laser Communication Technologies II, D. L. Begley, B. D. Seery, eds., Proc. Soc. Photo-Opt. Instrum. Eng.1218, 419–430 (1990)

Murdin, P.

D. C. B. Whittet, M. F. Bode, P. Murdin, “The extinction properties of Saharan dust over La Palma,” Vistas Astron. 30, 135–144 (1987).
[CrossRef]

P. Murdin, “Nighttime skies above the Canary Islands,” Vistas Astron. 28, 449–465 (1985).
[CrossRef]

P. Murdin, “Geology and meteorology of Saharan dust,” RGO/La Palma Tech. Note 41 (Apr.1986).

Patterson, E. M.

E. M. Patterson, D. A. Gillette, B. H. Stockton, “Complex index of refraction between 300 and 700 nm for Saharan Aerosols,” J. Geophys. Res. 82, 3153–3160 (1977).
[CrossRef]

Pedreira, C.

D. Ruiz, R. Czichy, J. Bará, A. Comerón, A. Belmonte, P. Menéndez-Valdés, F. Blanco, C. Pedreira, in Free-space Laser Communication Technologies II, D. L. Begley, B. D. Seery, eds., Proc. Soc. Photo-Opt. Instrum. Eng.1218, 419–430 (1990)

Pike, C. D.

D. J. Strickland, C. Lloyd, C. D. Pike, E. N. Walker, “The photometric properties of atmospheric dust over the La Palma observatory,” Observatory 107, 74–78 (1987).

Ruiz, D.

D. Ruiz, R. Czichy, J. Bará, A. Comerón, A. Belmonte, P. Menéndez-Valdés, F. Blanco, C. Pedreira, in Free-space Laser Communication Technologies II, D. L. Begley, B. D. Seery, eds., Proc. Soc. Photo-Opt. Instrum. Eng.1218, 419–430 (1990)

Stockton, B. H.

E. M. Patterson, D. A. Gillette, B. H. Stockton, “Complex index of refraction between 300 and 700 nm for Saharan Aerosols,” J. Geophys. Res. 82, 3153–3160 (1977).
[CrossRef]

Strickland, D. J.

D. J. Strickland, C. Lloyd, C. D. Pike, E. N. Walker, “The photometric properties of atmospheric dust over the La Palma observatory,” Observatory 107, 74–78 (1987).

Walker, E. N.

D. J. Strickland, C. Lloyd, C. D. Pike, E. N. Walker, “The photometric properties of atmospheric dust over the La Palma observatory,” Observatory 107, 74–78 (1987).

Whittet, D. C. B.

D. C. B. Whittet, M. F. Bode, P. Murdin, “The extinction properties of Saharan dust over La Palma,” Vistas Astron. 30, 135–144 (1987).
[CrossRef]

J. Geophys. Res. (1)

E. M. Patterson, D. A. Gillette, B. H. Stockton, “Complex index of refraction between 300 and 700 nm for Saharan Aerosols,” J. Geophys. Res. 82, 3153–3160 (1977).
[CrossRef]

Observatory (1)

D. J. Strickland, C. Lloyd, C. D. Pike, E. N. Walker, “The photometric properties of atmospheric dust over the La Palma observatory,” Observatory 107, 74–78 (1987).

Vistas Astron. (2)

P. Murdin, “Nighttime skies above the Canary Islands,” Vistas Astron. 28, 449–465 (1985).
[CrossRef]

D. C. B. Whittet, M. F. Bode, P. Murdin, “The extinction properties of Saharan dust over La Palma,” Vistas Astron. 30, 135–144 (1987).
[CrossRef]

Other (3)

D. Ruiz, R. Czichy, J. Bará, A. Comerón, A. Belmonte, P. Menéndez-Valdés, F. Blanco, C. Pedreira, in Free-space Laser Communication Technologies II, D. L. Begley, B. D. Seery, eds., Proc. Soc. Photo-Opt. Instrum. Eng.1218, 419–430 (1990)

P. Murdin, “Geology and meteorology of Saharan dust,” RGO/La Palma Tech. Note 41 (Apr.1986).

D. H. P. Jones, RGO/La Palma Tech. Note 10 (1984).

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Figures (3)

Fig. 1
Fig. 1

Saharan dust particle size distribution according to the Schutz model (see Ref. 6).

Fig. 2
Fig. 2

Particle size distribution of samples of Saharan dust sediments collected on the Balearic Islands (see Ref. 5).

Fig. 3
Fig. 3

Extinction coefficient of Saharan dust aerosol with a concentration of 1 μg/m3. Curve 1 represents the prediction of the distribution function of Fig. 1, and curve 2 shows the prediction of the distribution function labeled 4 in Fig. 2.

Equations (4)

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K = 0 . 0162 / 1 . 00728 ( λ 430 ) for λ < 630 nm ,
K = 0 . 0038 for λ > 630 nm .
α dust = 3 . 007 × 10 4 P
α dust = 3 . 285 × 10 4 P

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