1. Aerospace Systems Directorate, Air Force Research Laboratory Edwards Air Force Base, California 93524, United States
2. Department of Chemistry, United States Air Force Academy, Colorado Springs, Colorado 80840, United States
3. Applied Chemicals and Materials Division, National Institute of Standards and Technology, Boulder, Colorado 80305, United States
4. Exquadrum, Inc., Air Force Research Laboratory, Edwards Air Force Base, California 93524, United States