Funding for this research was provided by:
Maryland Procurement Office (H9823014-C-0127)
Air Force Office of Scientific Research (US) MURI (FA9550-10-1-0573)
National Science Foundation (CNS1035655)
National Institute of Standards and Technology (70NANB11H148)
Article History
Received: 21 December 2015
Revised: 13 October 2016
Accepted: 14 November 2016
First Online: 29 November 2016