We introduce a novel optical path-modulation technique for a low-coherence interferometric imaging system based on transverse scanning of the target with a galvanometric scanning-mirror pair. The path modulation arises when the beam that is incident upon one of the scanning mirrors does not fall on its axis of rotation. The method is demonstrated by the production of <i>en-face</i> low-coherence images of different objects such as a fiber-optic tip and a human retina <i>invivo</i> .
© 1998 Optical Society of America
Adrian Gh. Podoleanu, George M. Dobre, and David A. Jackson, "En-face coherence imaging using galvanometer scanner modulation," Opt. Lett. 23, 147-149 (1998)