Polytec’s new UHF-120 Vibrometer can characterize the out-of-plane vibrations at ultra-high frequencies, extending the vibration frequency bandwidth up to 1.2 GHz. Complete with a new optical design, the instrument retains the advantages and features familiar to laser vibrometer users. The system consists of a heterodyne interferometer with a controller box. The optical head provides a heterodyne detector signal that is acquired with a fast digital oscilloscope. The digitized detector signal is transferred to a PC where the heterodyne carrier is demodulated by a new software module in Polytec’s Vibsoft package.
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