Primary acceleration calibration by heterodyne laser interferometer and PXI instrument

Li Zhang; Jun Peng

doi:10.1117/12.579619

22 June 2004 Primary acceleration calibration by heterodyne laser interferometer and PXI instrument

Li Zhang, Jun Peng

Proceedings Volume 5503, Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (2004) https://doi.org/10.1117/12.579619
Event: Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 2004, Ancona, Italy

Abstract

A heterodyne laser interferometer and a PXI bus instrument make a primary acceleration calibration system. The modified heterodyne laser interferometer has a frequency stabilized laser and a high frequency accuracy Bragg cell. The system is capable of vibration (both sinusoidal and random) and shock calibration. This paper introduces the principle of the system. An accelerometer is calibrated by this system using different exciting signals include sinusoidal, random and half-sin. It shows the system is flexible in primary vibration and shock calibration and high accuracy will be attainable.

Citation Download Citation

Li Zhang and Jun Peng "Primary acceleration calibration by heterodyne laser interferometer and PXI instrument", Proc. SPIE 5503, Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 June 2004); https://doi.org/10.1117/12.579619

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