A projected-fringe fiber-based moiré interferometer is proposed to measure the local amplitude vibration of a diffuse surface. The technique is based on an optical fiber interferometer which projects interference fringes on the object surface. The visibility of these carrier fringes is modulated by a function of local amplitude vibration. Full-field quantitative analysis is performed by analyzing the fringe pattern with a 2-D Fourier transform method. Theoretical details, and experimental results are presented.
SCHIRRIPA SPAGNOLO G, AMBROSINI D, & PAOLETTI D (1998). Measurement of vibration amplitude by an optical fiber-based moiré interferometer. OPTICS AND LASERS IN ENGINEERING, 30, 213-223.
Titolo: | Measurement of vibration amplitude by an optical fiber-based moiré interferometer |
Autori: | |
Data di pubblicazione: | 1998 |
Rivista: | |
Citazione: | SCHIRRIPA SPAGNOLO G, AMBROSINI D, & PAOLETTI D (1998). Measurement of vibration amplitude by an optical fiber-based moiré interferometer. OPTICS AND LASERS IN ENGINEERING, 30, 213-223. |
Abstract: | A projected-fringe fiber-based moiré interferometer is proposed to measure the local amplitude vibration of a diffuse surface. The technique is based on an optical fiber interferometer which projects interference fringes on the object surface. The visibility of these carrier fringes is modulated by a function of local amplitude vibration. Full-field quantitative analysis is performed by analyzing the fringe pattern with a 2-D Fourier transform method. Theoretical details, and experimental results are presented. |
Handle: | http://hdl.handle.net/11590/147665 |
Appare nelle tipologie: | 1.1 Articolo in rivista |