Sentence examples for below the plasma frequency from inspiring English sources

The best possible field tunability occurs below the plasma frequency.

Below the plasma frequency, the films are characterized by a high reflectance, which functions as a screen of the incident electromagnetic wave[25].

TDS is ideal to measure plasma characteristics that are non-uniform and/or evolve during the discharge: THz pulses (0.1-2 THz) produced with femtosecond mode-locked lasers (790 nm) conveniently span the spectrum above and below the plasma frequency and, thus, can be used as very sensitive and versatile probes of widely varying plasma parameters.

Here ωp is the plasma frequency of the electron gas.

In this coupling process, radio emissions are generated at the frequency close to the plasma frequency.

The frequency of radio and plasma waves depends on the electron cyclotron frequency and the plasma frequency in their source regions.

For accurate plasma diagnostics from the sheath capacitance obtained by the impedance probe, it is necessary that the plasma frequency is larger than the cyclotron frequency.

Since the plasma frequency is proportional to the electron density, oblique reflections do not show any pseudo enhancement or reduction in the plasma frequency.

Note that the plasma frequencies were higher than the cyclotron frequencies except for the altitudes below 100 km, due to the ionization by auroral particles precipitation (Wakabayashi and Ono, 2006).

As in Fig. 11, curves for integer plasma frequencies are plotted, using the same colors for the same plasma frequency.

For implementation, a natural choice for the coating material is a metal, which exhibits negative permittivity values at frequencies below its plasma frequency.