Comparison of angular movement measurement using grating and laser interferometer

Jun Peng

doi:10.1117/12.803155

17 June 2008 Comparison of angular movement measurement using grating and laser interferometer

Jun Peng

Proceedings Volume 7098, Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; 709811 (2008) https://doi.org/10.1117/12.803155
Event: Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 2008, Ancona, Italy

Abstract

Primary angular acceleration calibration system is developed by Changcheng Institute of Metrology and Measurement (CIMM) to generate angular vibration and shock, which are traceable to the International System of Units (SI). It can be used to calibrate angular transducers, i.e. angular accelerometer, angular velocity transducer, and rotational angle transducer. Two kinds of system are used in the measurement of angular movement, one is based on circular grating and scanning heads, another is based on laser interferometer with diffraction grating. This paper introduce the comparison results of the two measurement systems in the measurement of angular movement under sinusoidal and shock excitation. The results of the investigations show a good accordance of the newly developed method of using grating and scanning heads measuring angular acceleration in comparison with the laser interferometer method.

Citation Download Citation

Jun Peng "Comparison of angular movement measurement using grating and laser interferometer", Proc. SPIE 7098, Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 709811 (17 June 2008); https://doi.org/10.1117/12.803155

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