Modeling of speckle metrology technique of detecting the medium acoustic oscillations
Keywords:
speckle metrology, acoustic oscillations, retro-reflector, phase transparent
Abstract
To describe the speckle metrology technique of detecting the medium acoustic oscillations, the acousto-optic modulator circuit was assembled. It is based on the process of double laser beam propagation through a medium with regular phase changes induced by the acoustic wave. Spectral analysis of photocurrent, obtained by direct photodetection of the laser radiation, allows us to detect frequency of acoustic oscillations in the medium. According to presented scheme the computer model is developed. The simulation results, obtained for the various parameters of the acoustic wave, are described. The case of excitation of two acoustic waves with different frequencies is partially considered.
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References
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Korpel A. Acousto-Optics, Second Edition, - Technology & Engineering, CRC Press, 1996.
Magdich L.N. Acoustooptic Devices and Their Applications, - Technology & Engineering, CRC Press, 1989.
Sirohi R.S. Ed. Speckle Metrology, - Technology & Engineering, CRC Press, 1993.
Jones R., Wykes C. Holographic and Speckle Interferometry, - Cambridge University Press: Cambridge, 1989.
Kowalczyk M. Laser speckle velocimetry. // Proc. SPIE 2729, Optical Velocimetry. - 1996. - P. 139.
Aliverdiev A., Caponero M. Speckle velocimeter for a self-powered vehicle. // Technical Physics. - 2002. - V. 47. - P.1044-1048.
Bianchi S. Vibration detection by observation of speckle patterns. // Appl. Opt. - 2014. - V. 53. - P. 931-936.
Presnyakov Yu.P., Shchepinov V.P. Use of the speckle effect to analyze vibrations of rough surface. // Technical Physics. - 1997. - V. 67. - P. 71-75.
Lloyd J. A Brief History of Retroreflective Sign Face Sheet Materials. http://www.rema.org.uk/pub/pdf/history-retroreflective-materials.pdf.
Sensors and Machine Vision Systems for Factory Automation. Keyence America. http://www.keyence.com/topics/sensors/lv/reflect.php.
Dolya G.N., Zhyvchuk V. The appreciation of the influence of exactness of focusing on the work of the laser homodyne method of measuring the parameters of vibration. // Proc. SPIE. - 2004. - V. 5582. - P. 45-52.
Dolya G.N., Katunin A.N., Nad O.A., Bulay A.N. Laser speckle velocimetry for running objects with light reflective surface. // Systems of information processing,. - Kharkiv: KhUAF, 2015. - 1(126). P. 23-26.
Litvinova E.S., Dolya G.N. Modeling of fluctuations of laser radiation scattered on the reflector array in a turbulent atmosphere. // Proceedings of 11th International Conference on Laser & Fiber-Optical Networks Modeling. - 2011. - P. 108-111.
Dolya G.N., Katunin A.N., Sadovy K.V., Karmanny E.V. Observation of phase heterogeneties of the medium by the interferometry method. // Proceedings of 8-th International Conference on Laser and Fiber-Optical Networks Modeling. - 2006. - P. 88-90.
Published
2016-10-31
How to Cite
Dolya, G. M., & Litvinova, O. S. (2016). Modeling of speckle metrology technique of detecting the medium acoustic oscillations. Bulletin of V.N. Karazin Kharkiv National University, Series «Mathematical Modeling. Information Technology. Automated Control Systems», 31(1), 38-46. Retrieved from https://periodicals.karazin.ua/mia/article/view/6807
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