Fig. 1.

Fiber-optic probe showing (a) the full length (4 ft.) of the probe with the single bundle at the distal end and splitting into six individual bundles at the proximal end, (b) a schematic of the probe tip with the central 1 mm image fiber (#6) surrounded by five 200 µm multimode fibers (#1-5) separated by 25°. SDS between fiber #1 and the four adjacent fibers (#2-5) are 374, 730, 1051, and 1323 µm, respectively, and (c) close-up of the distal end of the fiber-optic probe (scale bar = 2 mm).