Design of an omnidirectional optical antenna for ultraviolet communication

Xuebin Zhang; Yi Tang; Heqing Huang; Lijun Zhang; Tingzhu Bai

doi:10.1364/AO.53.003225

Applied Optics
Vol. 53,
Issue 15,
pp. 3225-3232
(2014)
•https://doi.org/10.1364/AO.53.003225

Design of an omnidirectional optical antenna for ultraviolet communication

Xuebin Zhang, Yi Tang, Heqing Huang, Lijun Zhang, and Tingzhu Bai

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Xuebin Zhang, Yi Tang, Heqing Huang, Lijun Zhang, and Tingzhu Bai, "Design of an omnidirectional optical antenna for ultraviolet communication," Appl. Opt. 53, 3225-3232 (2014)

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Abstract

In this paper we propose an omnidirectional large field-optical antenna with a dual-mirror structure and field devices and demonstrate its utilization in ultraviolet (UV) communications. Theoretical analysis shows that it is suitable for short-range UV communication. Simulation indicates that the optical gain is 32, and the system has a good spot uniformity. Additionally, incident angles of incident ray meet the requirement of the interference filter ( $\pm 10 °$ ). Outdoor experiments show that the angle of FOV is in the range of $\pm 20 ° ~ \pm 80 °$ and a SNR increase of 31 dB compared with bare tube is observed, demonstrating the effectiveness of the omnidirectional optical antenna structure for free-space UV communication.

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FOV(°)	${\tan ϕ}_{- 1}$	${\tan ϕ}_{+ 1}$	$ϕ_{- 1}$ (°)	$ϕ_{+ 1}$ (°)
20	$- 0.1202$	0.0637	$- 6.86$	3.65
40	$- 0.1185$	0.0051	$- 6.76$	0.29
60	$- 0.1247$	$- 0.0646$	$- 7.11$	$- 3.69$
80	$- 0.1728$	$- 0.1594$	$- 9.81$	$- 9.06$

Light Source Elevation (°)	Signal Power (dB)	Noise Power (dB)	SNR (dB)
0 (placed horizontally)	28.4	4.8	23.6
30	29.0	3.3	25.7
45	28.3	5.8	22.5
60	27.8	6.7	21.1
90	26.0	8.4	17.6

FOV(°)	${\tan ϕ}_{- 1}$	${\tan ϕ}_{+ 1}$	$ϕ_{- 1}$ (°)	$ϕ_{+ 1}$ (°)
20	$- 0.1202$	0.0637	$- 6.86$	3.65
40	$- 0.1185$	0.0051	$- 6.76$	0.29
60	$- 0.1247$	$- 0.0646$	$- 7.11$	$- 3.69$
80	$- 0.1728$	$- 0.1594$	$- 9.81$	$- 9.06$

Light Source Elevation (°)	Signal Power (dB)	Noise Power (dB)	SNR (dB)
0 (placed horizontally)	28.4	4.8	23.6
30	29.0	3.3	25.7
45	28.3	5.8	22.5
60	27.8	6.7	21.1
90	26.0	8.4	17.6

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Applied Optics