Papers Published

1. Changhuei Yang and Wax, A. and Dasari, R.R. and Feld, M.S., Phase-dispersion optical tomography, Opt. Lett. (USA), vol. 26 no. 10 (2001), pp. 686 - 8 .
   (last updated on 2007/04/14)

   Abstract:
   We report on phase-dispersion optical tomography, a new imaging technique based on phase measurements using low-coherence interferometry. The technique simultaneously probes the target with fundamental and second-harmonic light and interferometrically measures the relative phase shift of the backscattered light fields. This phase change can arise either from reflection at an interface within a sample or from bulk refraction. We show that this highly sensitive (~5°) phase technique can complement optical coherence tomography, which measures electric field amplitude, by revealing otherwise undetectable dispersive variations in the sample

   Keywords:
   backscatter;light interferometry;light reflection;light refraction;light scattering;optical dispersion;optical harmonic generation;optical tomography;phase measurement;