TY - RPRT TI - Subsurface Spectroscopy in Heterogeneous Materials Using Self-Healing Laser Beams AU - Anderson, Benjamin R. (ORCID:000000031403970X) AU - Gese, Natalie AU - Eilers, Hergen (ORCID:0000000233705256) PY - 2024 DO - 10.3390/opt5020022 UR - https://www.osti.gov/biblio/2376262 ID - 2376262 ER -