An Automated Setup for Measuring the Light-Scattering Characteristics of Samples with Rough Surfaces at Laser Wavelengths in the Range of 0.35–1.1 μm.

Autor:	Burenkov, A. A., Klimov, A. A., Kunin, A. V., Mal'tsev, V. I., Chivkunov, M. A.
Předmět:	ROUGH surfaces LASER ranging MEASUREMENT errors LIGHT scattering RADIATION sources SURFACE roughness COORDINATE measuring machines
Zdroj:	Instruments & Experimental Techniques; Sep2019, Vol. 62 Issue 5, p669-674, 6p
Abstrakt:	The description and the operating algorithm of an automated scanning device, which is constructed according to the scheme of a two-coordinate goniophotometer and is intended for measuring the bidirectional reflection function (BDRF) of samples with different degrees of surface roughness at laser wavelengths of 0.53, 0.63, and 1.06 µm, are described. The relative measurement error of the BDRF is 6–9%. Special software and the design features allow one to vary the time and scanning step of the device, while the presence of two measurement channels makes it possible to use radiation sources with a nonstabilized output power. The device has the ability to displace the operating spectral range to the region of the middle and far IR range. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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