Optical coherence tomography (OCT), a spectroscopy technique, has been used in biomedical applications for about 20 years. It has evolved to a standard non-invasive examination procedure yielding detail-rich cross-sectional images of living tissue. With longer wavelengths in the IR spectrum and the availability of InGaAs detectors and cameras, OCT scanners now penetrate even deeper into the human tissue. This article presents technical improvements on an IR line-scan camera, which specifically benefits OCT applications.
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