An improved CO[sub 2] laser intracavity photoacoustic spectrometer for trace gas analysis

Fink, T.; Buscher, S.; Gabler, R.; Yu, Q.; Dax, A.; Urban, W.
November 1996
Review of Scientific Instruments;Nov96, Vol. 67 Issue 11, p4000
Academic Journal
Describes an improved carbon dioxide laser intracavity photoacoustic spectrometer. Capability of the system to detect and measure small quantities of trace gases in the air; Measured absorption sensitivity; Reduction of the level of background signals originating from optical and acoustical sources.


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