1 July 1998 Chirp optical coherence tomography of layered scattering media
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J. of Biomedical Optics, 3(3), (1998). doi:10.1117/1.429889
Abstract
A new noninvasive technique that reveals cross sectional images of scattering media is presented. It is based on a continuous wave frequency modulated radar, but uses a tunable laser in the near infrared. As the full width at half maximum resolution of 16 µm is demonstrated with an external cavity laser, the chirp optical coherence tomography becomes an alternative to conventional short coherence tomography with the advantage of a simplified optical setup. The analysis of two-layer solid phantoms shows that the backscattered light gets stronger with decreasing anisotropic factor and increasing scattering coefficient, as predicted by Monte Carlo simulations. By introducing a two-phase chirp sequence, the combination of lateral resolved perfusion and depth resolved structure is shown.
Udo Haberland, Vladimir Blazek, Hans Juergen Schmitt, "Chirp optical coherence tomography of layered scattering media," Journal of Biomedical Optics 3(3), (1 July 1998). http://dx.doi.org/10.1117/1.429889
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KEYWORDS
Scattering

Signal detection

Sensors

Monte Carlo methods

Doppler tomography

Laser scattering

Optical coherence tomography

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