What are guided electromagnetic waves?

Cut-off frequency: It is the frequency of the signal above which propagation of waves occur . Guided wavelength of waveguide: It is defined as the distance travelled by the wave in order to undergo a phase shift of 2π radians along the waveguide.

The electromagnetic waves that are guided along or over conducting or dielectric surface are called guided waves. Examples: Parallel wire, transmission lines.

A waveguide is a structure that guides waves, such as electromagnetic waves or sound, with minimal loss of energy by restricting the transmission of energy to one direction. … The original and most common meaning is a hollow conductive metal pipe used to carry high frequency radio waves, particularly microwaves.

Once the effective dielectric constant is calculated, the guided wavelength through the microstrip can be calculated by dividing the free space wavelength (which is the wavelength of light) by the square root of the effective dielectric constant .