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Source power consumption and system sensitivity of a spectrometer-based optical coherence tomography (SD-OCT) system are investigated. Our study shows that the performance of an SD-OCT system can be classified into two categories based on the beam-splitting ratio R between the sample and reference rams in the Michelson interferometer. For the classic SD-OCT configuration, R is less than 1.0, and the...
We use optical coherence tomography (OCT) to systematically study the dependence of the optical attenuation coefficient $\mu_{t}$ upon the applied pressure $P$ in different depth regions of the human skin in vivo. We find that the same OCT data can be used to estimate thicknesses of the epidermis layer and the epidermis–dermis junction and obtain the thickness changes in these skin layers induced...
Second harmonic optical coherence tomography, which uses coherence gating of second-order nonlinear optical response of biological tissues for imaging, is described and demonstrated.
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