Optical Coherence Tomography Guided Laser Cochleostomy: Towards the Accuracy on Tens of Micrometer Scale

Figure 2

(a) Schematic diagram of the coaxial setup of the OCT system and the CO₂ laser with overlapping working spaces; (b) two-dimensional calibration pattern defined in the CO₂ laser coordinate system and (c) the corresponding points detected in the OCT coordinate system; (d) the corresponding point pairs filling the whole working space.