Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) SU-8 Air Force target on a BaF2 substrate imaged with FTIR (left), traditional DFIR (middle), and DFIR + TDI (right). Images show the same region with USAF group 1 element 5 at 1508 cm−1. The black scale bar denotes 200 μm. (b) Detailed comparison of the same image.
