Article History
Received: 22 January 2019
Accepted: 5 September 2019
First Online: 17 October 2019
Competing interests
: The University of Oregon has filed a U.S. Patent application # 16/297384 which covers the bolometer aspects of the paper. A.B., D.M. and B.J.A are affiliated with this organisation and the patent. The patent application is pending.