Photoacoustic techniques for trace gas sensing based on semiconductor laser sources.
The paper provides an overview on the use of photoacoustic sensors based on semiconductor laser sources for the detection of trace gases. We review the results obtained using standard, differential and quartz enhanced photoacoustic techniques.
Laboratorio Regionale CNR-INFM "LIT  ", Dipartimento Interateneo di Fisica "M. Merlin", Università and Politecnico of Bari, Bari, I-70126, Italy; E-Mails:  lugara@fisica.uniba.it  (P.M.L.);  cinzia.difranco@fisica.uniba.it  (C.D.F.);  spagnolo@fisica.uniba.it  (V.S.).
Angela
A
Elia
Pietro Mario
PM
Lugarà
Cinzia
C
Di Franco
Vincenzo
V
Spagnolo