Abstract
We describe a high-resolution white-light speckle photographic technique for the study of in-plane displacements of large flat objects (linear dimension of the order of 1 m). The specklegrams are obtained with a 4 × 4-in. custom-made camera fitted with a high-performance lens and operating at a magnification ratio of 1:20. The object is covered with a retro-reflective paint containing catadioptric glass spheres of ~50 μm in diameter.
© 1982 Optical Society of America
PDF ArticleMore Like This
P. J. Brannon, R. A. Gerber, and J. B. Gerardo
WC21 Conference on Lasers and Electro-Optics (CLEO:S&I) 1982
KENICHI KUBODERA, JUICHI NODA, and KENJU OTSUKA
FD4 Conference on Lasers and Electro-Optics (CLEO:S&I) 1982
C. P. Wang, R. L. Varwig, and P. J. Ackman
THA1 Conference on Lasers and Electro-Optics (CLEO:S&I) 1982