Papers Published

1. Yang, C; Wax, A; Dasari, RR; Feld, MS, Phase-dispersion optical tomography, Optics Letters, vol. 26 no. 10 (May, 2001), pp. 686-688, The Optical Society [doi] .
   (last updated on 2023/06/01)

   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. © 2001 Optical Society of America.

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