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In vivo retinal optical coherence tomography at 1040 nm - enhanced penetration into the choroid
2005
Optics Express
For the first time in vivo retinal imaging has been performed with a new compact, low noise Yb-based ASE source operating in the 1 µm range (NP Photonics, λ c = 1040 nm, ∆ λ = 50 nm, P out = 30 mW) at the dispersion minimum of water with ~7 µm axial resolution. OCT tomograms acquired at 800 nm are compared to those achieved at 1040 nm showing about 200 µm deeper penetration into the choroid below the retinal pigment epithelium. Retinal OCT at longer wavelengths significantly improves the
doi:10.1364/opex.13.003252
pmid:19495226
fatcat:kvudo4sxvbejfdaxkhmq7uissi