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2022 ◽  
Vol 2149 (1) ◽  
pp. 012012
Author(s):  
Georgi T. Georgiev ◽  
James J. Butler ◽  
Ron Shiri ◽  
Christine A. Jhabvala

Abstract This paper describes the initial work of characterizing the transmissive and reflective properties of black silicon diffusers. The diffusers were fabricated from a 100 mm diameter black silicon sample at NASA’s Goddard Space Flight Center (GSFC). The directional hemispherical reflectance from 250 nm to 2500 nm and BRDF/BTDF measurements at 632.8 nm, 1064 nm, and 1550 nm were measured using the GSFC Diffuser Calibration Laboratory’s (DCL) spectrophotometer and optical scatterometer. The diffusers exhibit a low level of specular reflection up to ~1100 nm with no evidence of retroscatter. The measurements are traceable to those made at the National Institute of Standards and Technology (NIST).


Author(s):  
Robert E. Lafon ◽  
Armen Caroglanian ◽  
Haleh Safavi ◽  
Nikki Desch ◽  
Victoria C. Wu ◽  
...  

Author(s):  
Alyson D. Topper ◽  
Jean-Marie Lauenstein ◽  
Edward P. Wilcox ◽  
Melanie D. Berg ◽  
Michael J. Campola ◽  
...  

Author(s):  
Martha V. O'Bryan ◽  
Kenneth A. LaBel ◽  
Edward P. Wilcox ◽  
Dakai Chen ◽  
Edward J. Wyrwas ◽  
...  

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