Fig. 1.

The hind limb ischemia model is depicted in (A) with vessel ligation points and the imaging area of interest in the adductor muscle region. A schematic of the swept-source OCT system with a 1060 nm center wavelength, 100 kHz sweep-rate source (Axsun) is shown in (B). Lateral and axial resolution are 16 μm and 6.5 μm in air, respectively. FBG – fiber Bragg grating. BD – balanced detector. AI/AO – Analog input/analog output. VA – variable attenuator. DM – dispersion matching cube. M – mirror. SL – scan lens. GP – galvo pair.