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. Author manuscript; available in PMC: 2013 Jul 14.
Published in final edited form as: Ann Biomed Eng. 2011 Oct 13;40(2):378–397. doi: 10.1007/s10439-011-0426-y

Figure 2.

Figure 2

Fiber confocal microendoscope configurations. (a) Proximally scanned microendoscope using a fiber bundle for illumination and detection. The beam is focused to a point and scanned in two dimensions or to a line and scanned in one dimension at the proximal face of the fiber bundle. (b) Distally scanned microendoscope using a single optical fiber for illumination and detection. Scanning can be accomplished by mechanically scanning the fiber, mechanically scanning the fiber and the miniature lens, scanning the beam with a MEMS mirror, or spectrally encoding one axis and mechanically scanning in the second axis. (c) Distally scanned microendoscope using two optical fibers, one for illumination and one for detection, in a dual-axes confocal configuration with a MEMS scanning mirror.