Study on the Cut-Off frequency of one-dimensional plasma photonic crystals

Transfer Matrix Method is used to study the dispersion relation of one-dimensional plasma photonic crystals. The Cut-Off frequency is affected by the radio of micro plasma layer width to dielectric width, dielectric constant of the dielectric material, the plasma frequency and the angle of incidence. The results show that plasma photonic crystals can´t completely cut off the electromagnetic wave, which is below the plasma frequency. The cup-off frequency comes close to the frequency of plasma when the angle of incidence of EM wave increase. The function of modulation for plasma photonic crystals will be realized by adjusting the index mentioned above.