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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Int J Pediatr Otorhinolaryngol. 2014 Nov 25;79(2):119–126. doi: 10.1016/j.ijporl.2014.11.019

Figure 1.

Figure 1

Schematic of long-range swept source FD-OCT system (A) and cross-section of the distal cap of the 0.7 mm outer diameter optical probe (B). PC = polarization controller, BD = balance detector, Coup = coupler, AOM = acousto-optic modulator, Circ = circulator, M = mirror, GRIN = gradient refractive index.