Acta Optica Sinica, Volume. 42, Issue 20, 2026002(2022)
Circular Airy Amplitude Modulation and Its Optimization for Propagation Characteristics in Turbulence
Fig. 1. Effect of scaling factor on relative center light intensity varying with propagation length. (a) lcr→∞; (b) lcr =5 cm
Fig. 2. Effect of beam radius on relative center light intensity varying with propagation length. (a) lcr→∞; (b) lcr=5 cm
Fig. 3. Side views of PCCAB varying with different coherence length propagating in vacuum. (a) lcr→∞; (b) lcr=0.100 mm;(c) lcr=0.050 mm; (d) lcr=0.020 mm; (e) lcr=0.010 mm; (f) lcr=0.005 mm
Fig. 4. Effect of coherence length on relative center light intensity varying with propagation length (α=1 cm and w0=10 cm)
Fig. 5. Evolution of light intensity of PCCAB and relative center light intensity in different turbulence environment (α=1 cm and w0=10 cm). Light intensity for (a)-(e) lcr→∞ and (g)-(k) lcr→5 cm; (f)(l) relative center light intensity varying with propagation length in different turbulence environment
Fig. 6. On-axis scintillation index varying with propagation length. (a)
Fig. 9. Experimental setup for PCCAB generation and propagation in turbulent atmosphere
Fig. 10. Results of PCCAB generation in experiment. (a) Measured spot distribution; (b) contrast between generated beam profile and ideal profile
Fig. 12. Scintillation indices of GB and PCCAB varying with turbulence strength. (a) Beam center scintillation indices; (b) 3 mm aperture-averaged scintillation indices
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Zeyu Zhou, Xiuhua Yuan, Feng Zhou. Circular Airy Amplitude Modulation and Its Optimization for Propagation Characteristics in Turbulence[J]. Acta Optica Sinica, 2022, 42(20): 2026002
Category: Physical Optics
Received: Mar. 16, 2022
Accepted: Apr. 29, 2022
Published Online: Oct. 18, 2022
The Author Email: Yuan Xiuhua (yuanxh@hust.edu.cn)