O1.4 - Adaptive interferometer with optoelectronic feedback

Igor A. Sokolov & Mikhail A. Bryushinin
Detection of low-amplitude acoustic vibrations of real objects, such as ultrasonic transducers, composite materials, biological objects, metal production, MEMS is an important scientific and technical problem. Homodyne laser vibrometers are suitable for practical applications in this regard for their high sensitivity which is limited in principle only by shot-noise of the laser used. These vibrometers allow detection at a distance, with high spatial localization of the measurement region and wide frequency range. However, their utilization...
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