Research of Zero Calibration in Conoscopic Holography Measurement Based on Image

Abstract:

Non-contact measurement based on conoscopic holography is a kind of interferometry with common path, so it is not influenced much by other factors such as vibration. But the measurement result is affected by the uniformity of the crystal, which is analyzed in this paper, and corresponding method of adjustment based on image is discussed. And B-splines function is used to calculate zero position in measurement image, which is fitted over the patch image in the neighborhood of gray extreme points of the stripes, which is important to reduce the repeatability error, optimize design, and improve the accuracy of system.

• Periodical: Applied Mechanics and Materials (Volumes 303-306)
• Pages: 386-389
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.303-306.386
• Online since: February 2013
• Authors: Shu Yan Ren, Yong Gang Yang, Hai Long Duan
• Keywords: B-Spline, Conoscopic Holography, Crystal, Zero Position

References

[1] Ignacio Alvarez, etc. Towards on-line non-contact roughness profile measurements with a sensor based on Conoscopic holography: current developments[J], SPIE( 2006).

[2] Ray A. Lathrop, Douglas M. Hackworth and Robert J. Webster. Minimally Invasive Holographic Surface Scanning for Soft-Tissue Image Registration[J], IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING ( 2010).

DOI: 10.1109/tbme.2010.2040736

[3] Xiaojun Liu, Yongsheng Gao and Ming Zhang etc. An optical wave front sensor by a birefringence crystalline [J]. Huazhong university of Science and Technology(Nature Science Edition, 2004). (In Chinese).

[4] Kuixian Wu, Renpin Yang and Guoxiong Zhang etc. Key application techniques of optical triangulation non-contact probes[J]. Journal of Tianjin university (2005). (In Chinese).

[5] G.Y. Sirat, Conoscopic holography: I. Basic principles and physical basis[J], Opt. Soc(1992).

[6] Shuyan Ren, Guodong Liu and Zhitao Zhuang. Research on Error Factors and Improving Resolution of Conoscopic Holography Measurement System, Chinese Journal of Scientific Instrument(2009). (In Chinese).

[7] Shuyan Ren, Li Zhao and Jing li. Incremental Phase Measurement of Conoscopic Holography Measurement System, Proceedings of the 8th World Congress on Intelligent Control and Automation(2010).

DOI: 10.1109/wcica.2010.5553804

[8] Shuyan Ren. Research on Image Process in Conoscopic Holography Measurement, Journal of Xidian University(2007). (In Chinese).