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7 August 2015 Study of characteristics of laser beam drift
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Laser collimation technology is widely applied in the positioning and measurement. The accuracy is affected by the laser beam drift, so laser beam drift compensation is necessary. Effective compensation depends on the characteristics analysis of laser beam drifts. Spectrums and values of noise signals caused by electronic noise, laser source, and environment, are analyzed in detail. The characteristics of various types of noise signals are gained and the effectiveness of low-pass filter and mean process are verified and compared. This study will provide support for separation of various types of signals and compensation of beam drifts.
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Yusheng Zhai, Zhifeng Zhang, Yang Li, Dongdong Lv, Jintao Li, Wenlong Liu, Yuling Su, and Xinjie Wang "Study of characteristics of laser beam drift", Proc. SPIE 9623, 2015 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 962313 (7 August 2015);

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