1. Articles from M. J. Everett

    1-4 of 4
    1. Evaluation of optical coherence quantitation of analytes in turbid media by use of two wavelengths.

      Related Articles Evaluation of optical coherence quantitation of analytes in turbid media by use of two wavelengths. Appl Opt. 1999 Apr 1;38(10):2097-104 Authors: Sathyam US, Colston BW, Da Silva LB, Everett MJ We introduce a novel method for determining analyte concentration as a function of depth in a highly scattering media by use of a dual-wavelength optical coherence tomography system. We account for the effect of scattering on the measured attenuation by using a second wavelength that is not absorbed by the sample. We assess the applicability of this technique by measuring the concentration of water in ...
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    2. Mapping of Birefringence and Thermal Damage in Tissue by use of Polarization-Sensitive Optical Coherence Tomography.

      Mapping of Birefringence and Thermal Damage in Tissue by use of Polarization-Sensitive Optical Coherence Tomography. Appl Opt. 1998 Sep 1;37(25):6026-36 Authors: Schoenenberger K, Colston BW, Maitland DJ, Da Silva LB, Everett MJ We demonstrate cross-sectional birefringence- and polarization-independent backscatter imaging of laser-induced thermal damage in porcine myocardium in vitro, using a polarization-sensitive optical coherence tomography system. We compare the generated images with histological sections of the tissue and demonstrate that birefringence is a more sensitive indicator of thermal damage than is backscattered light. Loss of birefringence in thermally damaged regions is quantified and shown to have significant ...
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    3. Imaging of hard- and soft-tissue structure in the oral cavity by optical coherence tomography.

      Imaging of hard- and soft-tissue structure in the oral cavity by optical coherence tomography. Appl Opt. 1998 Jun 1;37(16):3582-5 Authors: Colston BW, Everett MJ, Da Silva LB, Otis LL, Stroeve P, Nathel H We have developed a prototype optical coherence tomography (OCT) system for the imaging of hard and soft tissue in the oral cavity. High-resolution images of in vitro porcine periodontal tissues have been obtained with this system. The images clearly show the enamel-cementum and the gingiva-tooth interfaces, indicating OCT is a potentially useful technique for diagnosis of periodontal diseases. To our knowledge, this is the ...
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    4. Birefringence characterization of biological tissue by use of optical coherence tomography.

      Authors: Everett MJ, Schoenenberger K, Colston BW, Da Silva LB An improved polarization-sensitive optical coherence tomography (OCT) system is developed and used to measure birefringence in porcine myocardium tissue and produce two-dimensional birefringence mapping of the tissue. Signal-to-noise issues that cause systematic measurement errors are analyzed to determine the regime in which such measurements are accurate. The advantage of polarization-sensitive OCT systems over standard OCT systems in avoiding image artifacts caused by birefringence is also demonstrated. PMID: 18084468 [PubMed - in process]
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    1-4 of 4
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  2. Topics in the News

    1. (4 articles) Matthew J. Everett
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