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Astronomers from Bulgaria and Egypt have performed multi-wavelength observations of a well-known blazar designated S5 ...
We propose and experimentally demonstrate an all-optical filter with tunable bandwidth and wavelength based on cascaded opto-mechanical microring resonators (MRRs). As the transmission of each MRR ...
Ultrasonic phased array is an advanced ultrasonic detection and imaging technology with powerful applicability, which is widely used in the non-destructive testing and evaluation of material defects ...