Optical coherent tomography with electrically tunable semiconductor laser using FMCW techniques

Udo Haberland; Vladimir Blazek; Hans Juergen Schmitt

doi:10.1117/12.260842

6 December 1996 Optical coherent tomography with electrically tunable semiconductor laser using FMCW techniques

Udo Haberland, Vladimir Blazek, Hans Juergen Schmitt

Proceedings Volume 2925, Photon Propagation in Tissues II; (1996) https://doi.org/10.1117/12.260842
Event: BiOS Europe '96, 1996, Vienna, Austria

Abstract

Imaging of highly scattering objects in scattering media can play an important part in assessing melanoma in human skin. The technique to be presented is based on frequency modulated continuous waves using a coherent tunable semiconductor laser irradiating a Michelson interferometer. The electrically tunable laser is characterized and the procedure to linearize the instantaneous frequency with time is described. The temporal point spread function of dilute milk is measured. Finally the performance of our imaging system is demonstrated on 2D-images of solid scattering phantoms and of an eye of a pig.

Citation Download Citation

Udo Haberland, Vladimir Blazek, and Hans Juergen Schmitt "Optical coherent tomography with electrically tunable semiconductor laser using FMCW techniques", Proc. SPIE 2925, Photon Propagation in Tissues II, (6 December 1996); https://doi.org/10.1117/12.260842

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