Non-Line-of-Sight Azimuth Transmission Technology Based on Polarization-Maintaining Fiber

Fig. 4. Extreme value distribution of output alternating current signal when m_f=0.0087 rad and k=1000. (a) δ=1 rad, α=1'; (b) δ=1 rad, α=30'; (c) δ=1 rad; (d) α=30'

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Fig. 5. Error of azimuth detection

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Fig. 6. Error caused by phase difference. (a) α=1'; (b) α=30°

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Fig. 7. Error caused by azimuth. (a) δ=π/6, δ=π/3; (b) δ=π/2

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Table 1. Jones matrix for device

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Table 1. Jones matrix for device

Device	Jones matrix	Expression
Polarizer 1	J₁	$[\begin{array}{l} co s^{2} φ & \cos φ \sin φ \\ \cos φ \sin φ & si n^{2} φ \end{array}]$
Faraday modulator	J₂	$[\begin{array}{l} \cos θ & \sin θ \\ - \sin θ & \cos θ \end{array}]$
PMF	J₃	$[\begin{array}{l} co s^{2} γ \cdot \exp (j δ / 2) + si n^{2} γ \cdot \exp (- j δ / 2) & 2 jcos γ \sin γ \sin (δ / 2) \\ 2 jcos γ \sin γ \sin (δ / 2) & co s^{2} γ \cdot \exp (- j δ / 2) + si n^{2} γ \cdot \exp (j δ / 2) \end{array}]$
Polarizer 2	J₄	$[\begin{array}{l} co s^{2} (β + φ) & \cos (β + φ) \sin (β + φ) \\ \cos (β + φ) \sin (β + φ) & si n^{2} (β + φ) \end{array}]$

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Wei Cai, Zhonghao Zhao, Zhiyong Yang, Lina Luo. Non-Line-of-Sight Azimuth Transmission Technology Based on Polarization-Maintaining Fiber[J]. Acta Optica Sinica, 2020, 40(15): 1512001

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Paper Information

Category: Instrumentation, Measurement and Metrology

Received: Mar. 9, 2020

Accepted: Apr. 29, 2020

Published Online: Aug. 14, 2020

The Author Email: Zhao Zhonghao (zhonghao1025@outlook.com)

DOI:10.3788/AOS202040.1512001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology