Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

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.

View full-text article in PMC

. 2015 Oct 21;15(10):26743–26755. doi: 10.3390/s151026743

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2015 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Allan-Werle deviation of the fiber-amplifier-enhanced QEPAS signal as a function of acquisition time. The data were acquired by locking the wavelength at 6322.45 cm⁻¹ NH₃ absorption line with 1 s acquisition time.