Title :
Two-dimensional endoscopic MEMS scanner for high resolution optical coherence tomography
Author :
Piyawattanametha, Wibool ; Fan, L. ; Hsu, S. ; Fujino, M. ; Wu, M.C. ; Herz, P.R. ; Aguirre, A.D. ; Chen, Y. ; Fujimoto, J.G.
Author_Institution :
Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA
Abstract :
High resolution OCT is demonstrated with a novel two-dimensional MEMS scanner employing comb-drive actuation. Imaging is demonstrated with a Cr/sup 4+/:forsterite laser and high-speed scanning to achieve /spl sim/5 /spl mu/m axial resolution at up to 20 frames/sec.
Keywords :
biomedical optical imaging; endoscopes; image resolution; laser applications in medicine; micromechanical devices; optical scanners; optical tomography; Cr/sup 4+/:forsterite laser; Mg/sub 2/SiO/sub 4/:Cr/sup 4+/; comb-drive actuation; endoscopic MEMS scanner; high resolution optical coherence tomography;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
