Broadband absorption spectroscopy in turbid media by combined frequency-domain and steady-state methods

F Bevilacqua, AJ Berger, AE Cerussi, D Jakubowski… - Applied …, 2000 - opg.optica.org
… absorption spectra of turbid media that uses a combination of frequency-domain (FD) and
… of a turbid phantom and of human breast tissue in vivo, derived with the combined SSFD …

Quantifying the properties of two-layer turbid media with frequency-domain diffuse reflectance

TH Pham, T Spott, LO Svaasand, BJ Tromberg - Applied optics, 2000 - opg.optica.org
… The remaining rf current is mixed with the dc current from a … The mixed rf and dc currents are
used to drive the laser … The beam is used to irradiate the turbid two-layer media. A detecting …

High-precision frequency-domain measurements of the optical properties of turbid media

M Gerken, GW Faris - Optics letters, 1999 - opg.optica.org
turbid media. Using a frequency-domain measurement technique for a point-source infinite-…
Unfortunately, combined absorption–scattering standards that exceed this accuracy are not …

Monte Carlo diffusion hybrid model for photon migration in a two-layer turbid medium in the frequency domain

G Alexandrakis, TJ Farrell, MS Patterson - Applied optics, 2000 - opg.optica.org
… from an intensity-modulated pencil beam vertically incident on a two-layer turbid medium.
The model combines the accuracy of MC at radial distances near the incident beam with the …

Optical property measurements in turbid media using frequency-domain photon migration

BJ Tromberg, LO Svaasand, TT Tsay… - Future Trends in …, 1991 - spiedigitallibrary.org
… In frequency domain photon migration (FDPM), amplitude-modulated light is launched into a
turbid medium, eg tissue, which … This information can be combined with either the phase vs. …

Halftone spatial frequency domain imaging enables kilohertz high-speed label-free non-contact quantitative mapping of optical properties for strongly turbid media

Y Zhao, B Song, M Wang, Y Zhao, Y Fan - Light: Science & Applications, 2021 - nature.com
… While a combination of two or more spatial frequencies can … calculated with a spatial frequency
combination of 0 and 0.1 mm … at 650 nm of the five spatial frequencies is plotted in Fig. 2b …

Determination of the optical properties of semi-infinite turbid media from frequency-domain reflectance close to the source

A Kienle, MS Patterson - Physics in Medicine & Biology, 1997 - iopscience.iop.org
… We also discuss a solution for the reflectance in the frequency domain which is based on
the use of a single Monte Carlo simulation. Using scaling principles, this simulation can be …

Frequency-domain optical image reconstruction in turbid media: an experimental study of single-target detectability

H Jiang, KD Paulsen, UL Österberg, MS Patterson - Applied Optics, 1997 - opg.optica.org
An experimental study of the detectability of an object embedded in optically tissue-equivalent
media by frequency-domain image reconstruction is presented. The experiments were …

Frequency-domain fluorescent diffusion tomography of turbid media and in-vivo tissues

Y Yang, N Iftimia, Y Xu, H Jiang - Optical Tomography and …, 2001 - spiedigitallibrary.org
… and tumor-bearing animals are experimentally demonstrated by frequency-domain … multiply
scattering media. A finite element based reconstruction algorithm combined with Marquardt …

Determination of the optical properties of two-layer turbid media by use of a frequency-domain hybrid Monte Carlo diffusion model

G Alexandrakis, DR Busch, GW Faris, MS Patterson - Applied optics, 2001 - opg.optica.org
The general two-layer inverse problem in biomedical photon migration is to estimate the
absorption and scattering coefficients of each layer as well as the top-layer thickness. We …