Experimental demonstrations 8 Alternating layers 2 Alumina 2 Aluminum oxide 2 Anisotropy 2 Arbitrary time 2 Breakdown property 2 Budget control 2 Circuit oscillations 2 Crystal symmetry 2 Delay line 2 Delay lock loops 2 Demonstration 2 Demonstrations 2 Discharge chamber 2 Doppler 2 Double Period 2 Electric delay lines 2 Electric discharges 2 Experiments 2 Frequency beat 2 Hard X-ray sources 2 Hard x-ray emission 2 Hard x-ray imaging 2 High angular resolutions 2 Incident angles 2 Interferometric methods 2 Interferometry 2 Large anisotropy 2 Light 2