Table 2 Measured impedances of atmospheric-pressure helium plasma[7]

Z_p = R_p′ + X_pj (ohm/m²)

0.060 – 0.049 j

0.038 – 0.033 j

Y_p = G_p+ B_pj (1/(ohm m²))

9.96 + 8.25 j

15.0 + 13.0 j

C_p (F/m²)

8.75 × 10⁻⁹

1.53 × 10⁻⁷

γ ≡ α + βj

1.69 + 3.54 j

0.62 + 1.32 j

λ(m)

1.77 (2 m in free space)

4.78 (22.1 m in free space)