Axial resolution refers to the ability of an imaging system to distinguish between two closely spaced structures along the direction of the optical axis. In the context of optical coherence tomography (OCT), it is critical for achieving high-quality images of biological tissues, allowing for detailed visualization of structures such as layers in the retina or other anatomical features. Higher axial resolution leads to better image clarity and detail, which is essential for accurate diagnosis and monitoring in medical applications.
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