Resonant photoacoustic cell for low temp
β
M.P.P.M Jorge; J Mendes Filho; A.C Oliveira; A.J.P Braga; C.L Cesar; S.P Morato;
π
Article
π
1999
π
Elsevier Science
π
English
β 112 KB
This paper describes a resonant photoacoustic cell for low temperature measurements. It has the shape of the Helmholtz resonator, with the microphone separated from the sample by a resonant tube. In this way the microphone is kept at room temperature while the sample temperature is lowered. When the