High-speed optical fiber balance interference vibration measurement system
A technology of balanced interference and optical fiber, applied in measuring devices, measuring ultrasonic/sonic/infrasonic waves, instruments, etc., can solve the problem that the speed of the optical vibrometer cannot meet the measurement requirements, achieve good environmental adaptability, measurement accuracy, and easy operation , to solve the effect of environmental adaptability
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[0022] Optical fiber balance interference high-speed vibration measurement system, such as figure 1 As shown, it is mainly used for high-speed measurement of solid waves in high-speed shock and vibration. The vibration measurement system consists of a balanced optical fiber coupling module (1), an interferometric measurement module (2), an optical fiber optical wavefront precision alignment module (3), control and information Output module (4), interference signal demodulation module (5), physical grating and measured object (6);
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