Electronic speckle pattern interferometer for the measurement of object vibration mode

Fu-Ming Juang; Nai-Que Wang; Jiann-Cherng Doong; Ming-Wen Chang; Yeon-Sheng Yang; Yuen-Sum Liu

doi:10.1117/12.156478

22 September 1993 Electronic speckle pattern interferometer for the measurement of object vibration mode

Fu-Ming Juang, Nai-Que Wang, Jiann-Cherng Doong, Ming-Wen Chang, Yeon-Sheng Yang, Yuen-Sum Liu

Proceedings Volume 2101, Measurement Technology and Intelligent Instruments; (1993) https://doi.org/10.1117/12.156478
Event: Measurement Technology and Intelligent Instruments, 1993, Wuhan, China

Abstract

An analysis of fringe contrast in electronic speckle pattern interferometer by using double slit aperture with larger slit width is presented. To improve the vibration pattern contrast of object a subtraction technique is adapted and result is shown. For such an improvement this setup will be suitable to be used in severe vibration circumstance.

Citation Download Citation

Fu-Ming Juang, Nai-Que Wang, Jiann-Cherng Doong, Ming-Wen Chang, Yeon-Sheng Yang, and Yuen-Sum Liu "Electronic speckle pattern interferometer for the measurement of object vibration mode", Proc. SPIE 2101, Measurement Technology and Intelligent Instruments, (22 September 1993); https://doi.org/10.1117/12.156478

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