1. NSOM 2000TS
Thomas Erickson

2. Optical/AFM picture

3. Optical/AFM picture

4. 3D image AFM

5. 3D image AFM

6. 3D image AFM

7. AFM Atomic Force Microscopy Fine tips (<10 nm)
Contact vs. Non-Contact
Atomic Forces
Versatile materials and sample preparation
[1] Standard Pointprobe® [2] High Aspect Ratio Tip [3] Arrow™ [4] Pyrex-Nitride™

8. NSOM Near-field Scanning Optical Microscopy 200 – 50 nm aperture
5 – 10 nm from surface
Resolves less than 50 nm

9. NSOM Image

10. NSOM 2000-TS
Piezoelectric Tuning Fork
33,000 Hz
NSOM tip

11. NSOM 2000-TS
2 Plates
PZT
Stepper Motor

12. Problems
2 Years of no use
Fragile Probes
Force feedback
Stepper motor

13. Feedback

14. Initial Pictures

15. Optical/AFM picture

16. NSOM Picture

17. Later Pictures

18. Photonic Crystal
Repeating Structures At similar size to the wavelength of light
Create photonic band gap
Create Waveguides and optical cavities

19. Photonic Crystal

20. NSOM Images

21. NSOM Images
440 nm BP
420 nm SP
No Filter

22. NSOM Images
No Filter
420 nm SP
440 nm BP

23. Acknowledgments
KSU - III Nitride Group (Dr. Lin, Dr. Jiang, Chris Ugolini, Ashok Sedhain etc.)
Nanonics Ltd.
Dr. Weaver and Dr. Corwin
NSF