High-resolution simultaneous dual-band spectral domain optical coherence tomography.

A fiber-based spectral domain optical coherence tomography (OCT) system is described, imaging simultaneously at 740 and 1300 nm central wavelengths. Real-time imaging is demonstrated with axial resolutions <3 and <5 microm, respectively. This technique allows for in vivo high-resolution functional OCT imaging with outstanding spectroscopic contrast.