1. Center for Bio/Molecular Science and Engineering Code 6900, U. S. Naval Research Laboratory, Washington, D.C., Virginia 20375, United States
2. College of Science, George Mason University, Fairfax, Virginia 22030, United States
3. Optical Sciences Division Code 5600, U. S. Naval Research Laboratory, Washington, D.C., Virginia 20375, United States
4. Jacobs Corporation, Hanover, Maryland 21076, United States
5. Micron School of Materials Science & Engineering, Boise State University, Boise, Idaho 83725, United States
6. Department of Chemistry & Biochemistry, Boise State University, Boise, Idaho 83725, United States
7. Department of Electrical & Computer Engineering, Boise State University, Boise, Idaho 83725, United States
8. Electronics Science and Technology Division Code 6800, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States