Experimental study of wave diffraction by an echelette grating in the case of resonance
Abstract
The reflection properties of an echelette grating in the millimeter wavelength range are investigated experimentally. The experimental arrangement consisted of the excitation of a horn antenna through a directional coupler and measuring attenuator from a millimeter-wave generator. The echelette reflection coefficient was measured in the regime of higher emission spatial harmonics. The energy balance of the incident wave and the total scattered power is determined. It is concluded that losses in the echelette material are small in the millimeter range as compared with the optical range, which makes it possible to use such echelettes for the highly efficient design of functional components in the millimeter range.
- Publication:
-
Propagation and Diffraction of Radio Waves in the Millimeter and Submillimeter Ranges
- Pub Date:
- 1984
- Bibcode:
- 1984pdrw.rept..194K
- Keywords:
-
- Echelette Gratings;
- Horn Antennas;
- Microwave Attenuation;
- Microwave Resonance;
- Microwave Scattering;
- Millimeter Waves;
- Antenna Radiation Patterns;
- Harmonics;
- Polarized Electromagnetic Radiation;
- Reflectance;
- Transmission Loss;
- Wave Diffraction;
- Wave Excitation;
- Electronics and Electrical Engineering