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While silicon carbide (SiC) has been found to be a desirable mirror material due to its excellent thermal and mechanical properties, the optical performance of SiC mirrors might be limited by the internal defects introduced in fabrication. Therefore, it is necessary to evaluate the internal conditions of SiC mirror parts before integrating the mirror. This paper presents using a 64-element 30 MHz...
A system is composed of 64 channels of analog front-end pulser/receiver, 64 channels of Time-Gain Compensation (TGC), 64 channels of high-speed digitizer, and DSP-based beamformer implementation. The data are transferred to a PC via an Ethernet card. The system provides 64 channels of excitation pulsers while receiving simultaneously at a 120–200 MHz sampling rate at 12-bit resolution. The digitized...
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