LIBS Monitoring and Analysis of Laser-Based Layered Controlled Paint Removal from Aircraft Skin

Table 1

Main characteristic spectral lines of 2024 aluminum.

Serial number	Characteristic spectral line (nm)	Relevant spectral lines (nm)	Atom	Error value (nm)
a	383.4360	383.5	Mn I	0.0640
b	394.4006	394.5	Al I	0.1994
c	396.1520	396.2	Al I	0.3480
d	402.7026	402.7	Cu I	0.0026
e	467.7340	467.8	Cu I	0.0660
f	472.3097	472.3	Cr I	0.0097
g	481.0532	481.1	Zn I	0.0468
h	484.2290	484.2	Cu I	0.0290
i	517.2684	517.2	Mg I	0.0684
j	518.3604	518.4	Mg I	0.0396
k	587.3764	587.3	Si I	0.0764