NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.
Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.
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.
Infrared time domain spectroscopy with synchronized frequency combs
Published
Author(s)
Nathan R. Newbury, Ian R. Coddington, William C. Swann
Abstract
We describe a frequency-comb based system for time-domain spectroscopy in the near infrared. Our configuration implements synchronous, repetitive sampling of the time domain signature for real-time coherent signal averaging and improved signal-to-noise ratio.
Proceedings Title
Laser Applications to Chemical, Security and Environmental Analysis (LACSEA)
Newbury, N.
, Coddington, I.
and Swann, W.
(2010),
Infrared time domain spectroscopy with synchronized frequency combs, Laser Applications to Chemical, Security and Environmental Analysis (LACSEA), San Diego, CA, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=903832
(Accessed October 8, 2025)