ARTÍCULO
TITULO

Trace gas detection based on off-beam quartz enhanced photoacoustic spectroscopy: Optimization and performance evaluation

Kun Liu    
Hongming Yi    
Anatoliy A. Kosterev    
Weidong Chen    
Lei Dong    
Lei Wang    
Tu Tan    
Weijun Zhang    
Frank K. Tittel    
and Xiaoming Gao    

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