Performance of Satellite-to-Ground Laser Communications Under the Influence of Atmospheric Turbulence and Platform Micro-Vibration

Parameter description	Symbol	Value
Laser wavelength/nm	$λ$	1550
Altitude of the satellite/km	$H$	38000
Transmitter aperture diameter/cm	$D_{T}$	20
Beam divergence	$θ_{d i v}$	$4 λ / π D_{T}$
Transmit power/dBm	$P_{T}$	20
Altitude of the optical ground station/km	$h_{0}$	0
Noise equivalent bandwidth of the photodetector/GHz	$Δ f$	2
Mode field radius at the fiber end face/ $μ m$	$W_{m}$	$5$
Equivalent focal length of the receiver system/m	$f$	3
Photodetector responsivity/（A·W-1）	$R_{d}$	$1$
Wind velocity/(m·s-1)	$w$	$21$
Refractive index parameter/ $m^{- 2 / 3}$	$B_{0}$	$1.7 \times 10^{- 14}$
Zenith angle/rad	$ζ$	$0 - π / 2$

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Sun Jing, Huang Puming, Yao Zhoushi. Performance of Satellite-to-Ground Laser Communications Under the Influence of Atmospheric Turbulence and Platform Micro-Vibration[J]. Laser & Optoelectronics Progress, 2021, 58(3): 301003

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Paper Information

Category: Atmospheric Optics and Oceanic Optics

Received: May. 9, 2020

Accepted: --

Published Online: Mar. 12, 2021

The Author Email: Jing Sun (sjtiandi@126.com)

DOI:10.3788/LOP202158.0301003

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology