Immunity to Laser Power Variation in a DFB Diode Laser Based Optical Gas Sensor Using a Division Process

The division process used in a DFB diode laser-based optical gas sensor was studied to improve the immunity to laser power variation. Residual amplitude modulation (RAM) in wavelength modulation spectroscopy (WMS) detection was eliminated by intensity normalization using a division process. As a res...

Celý popis

Podrobná bibliografie
Hlavní autoři: Hengtai Chang, Jun Chang, Qingjie Huang, Qiang Wang, Changbin Tian, Wei Wei, Yuanyuan Liu
Médium: Článek
Jazyk:English
Vydáno: MDPI AG 2015-04-01
Edice:Sensors
Témata:
On-line přístup:http://www.mdpi.com/1424-8220/15/4/9582