D. Elmakias, D. Bykhovsky, S. Arnon. Air turbulence effects on performance of optical wireless communication with crosstalk in server backplane[J]. Chinese Optics Letters, 2017, 15(2): 020602
- Chinese Optics Letters
- Vol. 15, Issue 2, 020602 (2017)
Fig. 1. Board-to-backplane server interconnection links in the presence of crosstalk and turbulence inducing signal interference and fades.
Fig. 2. Schematic diagram of experimental setup of FSO links for board-to-backplane server interconnections in the presence of air turbulence. Laser 1 Laser 2 Laser 1 PD 2
Fig. 3. Photograph of the experimental setup: (A) signal generator, (B) laser-diodes, (C) analog-to-digital (A/D) converter, (D) computer chassis, (E) anemometer, (F) photodiodes, and (G) blow-heater.
Fig. 4. Temperature inside the chassis as a function of the distance of the blow heater from the optical axis.
Fig. 5. Wind velocity as a function of the distance of the blow heater from the optical axis.
Fig. 6. Lognormal PDF; crosstalk amplitude measurements and fit for two different distances of the blow heater from the optical axis.
Fig. 7. Measured scintillation indices of on-axis channel σ I , l σ I
Fig. 8. Measured radial term of scintillation index σ I , r
Fig. 9. Auto-covariance of crosstalk noise at a 30 cm distance of the blow heater from the optical axis.
Fig. 10. Auto-covariance of crosstalk noise at an 80 cm distance of the blow heater from the optical axis.
Fig. 11. Normalized cross-covariance between the on-axis and crosstalk components at three different distances of the blow heater from the optical axis: 30, 50, and 80 cm.
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Table 1. Equipment Used for the Experimental Setup
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