A QEPAS sensor with a ~1.37μm DFB laser

Ping Gong,Liang Xie,Rui Wang,Huixia Yang

A QEPAS sensor with a ~1.37μm DFB laser

2013

Ping Gong
Liang Xie
Rui Wang
Huixia Yang

We demonstrate a QEPAS sensor using a ~1.37μm DFB laser as light source and a quartz tuning fork as a transducer to detect water vapor concentration in the air.

Keywords:

Electronic engineering
Water vapor
Transducer
Distributed feedback laser
Materials science
Tuning fork
Optoelectronics
Optics
quartz tuning fork
Modulation
light source

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