Title :
Spectral interferometric tomography with optical nonlinearity
Author :
Sutoh, Y. ; Yasuno, Y. ; Itoh, M. ; Mori, M. ; Yatagai, T.
Author_Institution :
Inst. of Appl. Phys., Tsukuba Univ., Ibaraki, Japan
Abstract :
A three-dimensional profile measurement system employing a spectral interferometer and a nonlinear /spl beta/-barium borate (BBO) crystal is constructed. The measurement result of the surface structure of the stepped surface object is shown.
Keywords :
Fourier transform optics; barium compounds; light interferometry; optical correlation; optical tomography; photorefractive materials; spatial light modulators; surface topography measurement; 3D profile measurement system; BaB/sub 2/O/sub 4/; BaB/sub 2/O/sub 4/ crystal; nonlinear barium borate crystal; optical nonlinearity; spectral interferometer; spectral interferometric tomography; stepped surface object; surface structure; Biomedical optical imaging; Gratings; Nonlinear optics; Optical interferometry; Optical pulses; Optical surface waves; Probes; Pulse measurements; Time measurement; Tomography;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.967928
