An official website of the United States government
Here's how you know
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.
Schematic of an on-beam QEPAS configuration. Two micro-resonator tubes are aligned perpendicular to the QTF plane to probe the acoustic vibration excited in the gas contained inside the ADM.