Adaptive contour-tracking to aid wide-field swept-source optical coherence tomography imaging of large object with uneven surface topology

A framework presented in this study demonstrates an adaptive contour-tracking and scanning strategy significantly improves the wide FoV imaging quality of samples with an uneven surface contour. By employing a high-speed adjustable optical delay line and a pre-scanning scheme, this strategy requires minimal additional time consumption while alleviating spectral sampling rate pressure, thereby enhancing the overall performance of OCT. This advancement holds promise for enhancing OCT imaging in clinical settings, particularly in applications requiring rapid, wide-field imaging of tissue structures and blood flow.