1. Optical coherence tomography
Hendrik de Leeuw
Presentation photon physics
Courtesy A.H. Nejadmalayeri

2. Overview What is (TD-) OCT What kind of setup do they use?
How can we understand it?
Applications
Conclusion

3. What is OCT Known: MRI, PET, CT, Ultra Sound
However: resolution is limited
Thus: Improve or use OCT (micrometer)
Working OCT is analogous to US

4. OCT setup

5. Understanding OCT

6. Applications
Courtesy: Fercher et al

7. Applications part two
Courtesy: Tearney et al

8. Conclusion
Thus:
OCT is a very power imaging technique with a possible sub-micrometer resolution
However:
With a limited range of applications....

9. Questions?
Oh well yes the patient

10. Questions?
He/she had a good physian
Courtesy I.U. Scott

11. Questions
“ Me and my public understand each other very well: It never hears what I am telling and they never hear what they would have wanted to hear.” K. Kraus, Sprüche und Widersprüche So

12. Problems
Lateral scanning: Rotating beamsplitting cube driven by an airturbine (175m/s, 25kHz)
Degree of coherence......