Raman microscopy to characterize plasma-wall interaction materials: from carbon era to metallic walls

C. Pardanaud, C. Martin, P. Roubin, G. Roussin, D. Dellasega, M. Passoni, C. P. Lungu, C. Porosnicu, P. Dinca, I. Bogdanović Radović, Z. Siketic, B. Pegourie, E. Bernard, M. Diez, A. Hakola