ECE532 Biomedical Optics © 1998 Steven L. Jacques, Scott A. Prahl Oregon Graduate Institute

5. Transport

Diffusion theory

Introduction

• Introduction
• Fick's 1st law of diffusion
• Fick's 2nd law of diffusion
• Connecting transport theory and Fick's 1st law of diffusion
• Limits of diffusion theory

Time-resolved Diffusion Theory

• Time-resolved impulse response to point source in spherical coordinates
• examples

Steady-state Diffusion Theory

• Steady-state response to steady-state point source
• examples

Frequency-domain Diffusion Theory

• Frequency-domain response to modulated point source
• examples

LAB:

• Making a gel phantom
• Integrating sphere measurements of gel phantom
• Total diffuse reflectance from milk phantom
• F(r) and R(r) in milk phantom