Abstract
Theoretical models available for optical reflectance with small source-detector separations are limited. In this study we reported two modified diffusion models for steady-state, broadband (500-590 nm) reflectance with source-detector separations of 0.125-0.25 mm and 0.25-1.0 mm. For the former case, the major modifications are D = 1/3μs' and z0 = 1/μs'; for the latter case, an additional modification is to multiply the separation by a factor of 2. Monte Carlo simulations were used to confirm the modified models at three different hemoglobin concentrations with relative errors of 12% or smaller. These models provide the possibility to extract local optical and physiological parameters of blood-perfused tissues from reflectance data measured with a needle-like probe.
Original language | English (US) |
---|---|
Pages (from-to) | 76-81 |
Number of pages | 6 |
Journal | Proceedings of SPIE - The International Society for Optical Engineering |
Volume | 4250 |
DOIs | |
State | Published - 2001 |
Externally published | Yes |
Event | Optical Tomography and Spectroscopy of Tissue IV - San Jose, CA, United States Duration: Jan 21 2001 → Jan 23 2001 |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering