title: Spatially incoherent illumination as a mechanism for cross-talk suppression in wide-field optical coherence tomography.
abstract: Comparison of two illumination modes for wide-field optical coherence tomography has revealed that spatially coherent illumination generates coherent cross talk, causing significant image degradation, and that spatially incoherent illumination, with an adequate interferometer design, provides an efficient mechanism for suppression of coherent cross talk. This is shown by comparison of a pulsed laser with a thermal light source for a U.S. Air Force resolution target covered with a scattering solution made from microbeads as well as for an ex vivo tooth.
authors.affiliation: Institute for Biomedical Imaging, Optics and Engineering, Swiss Federal Institute of Technology, CH-1015 Lausanne, Switzerland. boris.karamata@epfl.ch
authors.forename: B
authors.initials: B
authors.lastname: Karamata
authors.forename: P
authors.initials: P
authors.lastname: Lambelet
authors.forename: M
authors.initials: M
authors.lastname: Laubscher
authors.forename: R P
authors.initials: RP
authors.lastname: Salathé
authors.forename: T
authors.initials: T
authors.lastname: Lasser
mesh_terms: D016477:Artifacts; D004867:Equipment Design; D007368:Interferometry / Q000295:instrumentation; D007834:Lasers; D008029:Lighting; D008863:Microspheres; D008962:Models, Theoretical; D012542:Scattering, Radiation; D041623:Tomography, Optical Coherence / Q000295:instrumentation