Yaowu Kuang, Zhiping He, Liyin Yuan, Liang Zhang, Rong Shu. Design and Development of Beam Transmitting System with Far-Field Beam Divergence Angle of Micro-Radian Dimension[J]. Chinese Journal of Lasers, 2018, 45(6): 0605004
- Chinese Journal of Lasers
- Vol. 45, Issue 6, 0605004 (2018)
Fig. 1. Layout of beam transmission model
Fig. 2. Optical path model of communication beam transmitter at 810 nm
Fig. 3. (a) Projection of off-axis transmitted beam on the pupil; (b) far-field beam pattern simulated by CODE V
Fig. 4. Far-field divergence angle versus wave-front error influenced by different Zernike polynomials. (a) Z2-Z7; (b) Z8-Z11; (c) Z12-Z16
Fig. 5. Statistical distribution of far-field divergence angle of communication laser beam
Fig. 6. Probability of far-field divergence angle under 10 μrad versus wave-front error
Fig. 7. RMS wave-front errors of telescope under different temperatures. (a) 20.5 ℃; (b) 21.5 ℃; (c) 22.5 ℃
Fig. 8. Far-field divergence angle testing results of transmitted beam for integrated laser communication system under different temperatures. (a) 20.5 ℃; (b) 21.5 ℃; (c) 22.5 ℃
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Table 1. Fringe Zernike polynomials
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Table 2. Parameters of space laser communication system
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