1. Abstract
2. 1. Introduction
3. 2 Near-Field Range Finding Problem
4. 3. Mathematical Model of Diffraction Rangefinding
   1. A. Basic Model
   2. B. Diffraction Range Finding with Off-Axis Illumination
5. 4 Reconciliation of Mathematical Models with Experimentation
6. 5 Scheimpflug Condition
7. 6 Comparison of Diffraction Range Finding with Other Methods
8. 7 Conclusion
9. Acknowledgments
10. Appendix A
11. Appendix B: Proof of the Scheimpflug Condition