Optical coherence tomography with the "Spectral Radar" -Fast optical analysis in volume scatterers by short coherence interferometry

We present a sensor for acquisition of cross-sectional images of volume scatterers (e.g. biological tissue), we call it "spectral radar". Medical and technical applications are possible. The sensor is a modi-fied Michelson-interferometer, with a broad bandwidth light source. The scattering amplitude a(z) along one vertical axis from the surface into the bulk can be measured with-in one exposure. No reference arm scanning is necessary. Measurement results of stationary and non stationary scattering phantoms, human skin and of a fish eye in vitro are shown. Optical tomography, white light interferometry, scattering media, cross-sectional imaging, biological tissue. 1