Acta Optica Sinica, Volume. 40, Issue 21, 2129002(2020)
Measurement of Surface Scattering Characteristics of Black Materials in Thomson Scattering System
Figures & Tables(9)
Fig. 1. Fully automatic test system. (a) Schematic of reflectometer system composition; (b) on-site photo
Fig. 4. Bidirectional reflection distribution function curves of absorbing material under normal incidence
Fig. 6. Scattered light intensity distribution of different absorbing materials at different incident angles. (a) Standard white board; (b) stainless steel; (c) anodized black aluminum alloy; (d) graphite; (e) Avian Black-S black coating; (f) Acktar's Metal VelvetTM coated Foil Roll Black foil
Fig. 7. Scattering data of absorbing materials at different incident angles. (a) 40° incident angle; (b) 70° incident angle
Table 1. Surface roughness of different materials
View tableTable 1. Surface roughness of different materials
Material Ra /nm 304 stainless steel 64.4 6061 black aluminium oxide 44.1 Standard white plate 225.0 Avian Black-S black paint 250.0 Acktar black foil 226.0
Table 2. ABg parameters obtained by fitting different materials
View tableTable 2. ABg parameters obtained by fitting different materials
Material A B g 304 stainless steel 0.927300 0.02185 3.3450 6061 black aluminium oxide 0.022760 0.01947 4.2020 Graphite 0.029370 0.21560 1.9850 Avian Black-S black paint 0.017190 9.805×10-5 -0.7003 Acktar black foil 0.007532 5.266×10-5 -0.5992
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Peng Wang, Peng Yuan, Weiqiang Tan, Jian Zheng. Measurement of Surface Scattering Characteristics of Black Materials in Thomson Scattering System[J]. Acta Optica Sinica, 2020, 40(21): 2129002
Paper Information
Category: Scattering
Received: Jul. 10, 2020
Accepted: Jul. 24, 2020
Published Online: Nov. 2, 2020
The Author Email: Yuan Peng (yuanpeng@ustc.edu.cn)
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