Standoff measurement of spectral changes in UV-aged bitumen

• DOI: 10.1364/ais.2021.am5d.4
• Publication Date: 2021-11-05T15:02:24Z
• Authors: Nicholas M. Davis; Jane Hodgkinson; Cormac Browne; Kamal Nesnas; Alex Wright; Ralph P. Tatam
• Keywords: 0211 other engineering and technologies; 02 engineering and technology

Laser standoff Instrumentation has been developed to measure surface reflectivity of UV-aged bitumen at four specific mid-IR wavelengths. Preliminary measurements reveal heterogeneity across individual bitumen samples and an overall trend with bitumen age.