Article
Version 1
Preserved in Portico This version is not peer-reviewed
Portable Laser Photoacoustic Methane Sensor Based on FPGA
Version 1
: Received: 5 September 2016 / Approved: 6 September 2016 / Online: 6 September 2016 (11:51:45 CEST)
A peer-reviewed article of this Preprint also exists.
Wang, J.; Wang, H.; Liu, X. A Portable Laser Photoacoustic Methane Sensor Based on FPGA. Sensors 2016, 16, 1551. Wang, J.; Wang, H.; Liu, X. A Portable Laser Photoacoustic Methane Sensor Based on FPGA. Sensors 2016, 16, 1551.
Abstract
A portable laser photoacoustic sensor based on a Field-Programmable Gate Array (FPGA) is reported for methane detection. A tunable DFB diode laser in the 1654 nm wavelength range is used as an excitation source. The photoacoustic signal processing was implemented by a FPGA device. A small resonant photoacoustic cell is designed. The minimum detection limit (1σ) of 10 ppm for methane (CH4) is demonstrated.
Keywords
FPGA; photoacoustic spectroscopy; diode laser; methane
Subject
Physical Sciences, Optics and Photonics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Comments (0)
We encourage comments and feedback from a broad range of readers. See criteria for comments and our Diversity statement.
Leave a public commentSend a private comment to the author(s)
* All users must log in before leaving a comment