Fig. 1. Equilibrium composition for argon plasma under atmospheric preesure with temperature from 5000 K to 25000 K

Fig. 2. Spectral distributions of argon plasmas at 0.1 MPa and 15000 K (without self-absorption). (a) Entire spectrum; (b) ultraviolet spectrum

Fig. 3. Comparison of net emission coefficients calculated with calculation results of Cressault et al.[8] for entire spectrum of argon plasma

Fig. 4. Comparison of net emission coefficients calculated with previous experimental results for non-vacuum ultraviolet spectrum of argon plasma

Fig. 5. Net emission coefficient at vacuum ultraviolet spectra of argon plasmas with different plasma radii Rp

Fig. 6. Contributions of vacuum ultraviolet and non-vacuum ultraviolet emission to entire emission with different plasma radii Rp

Fig. 7. Contributions of line and continuum emission to vacuum ultraviolet emission with different plasma radii Rp