Only one transducer is attached to an acoustic sample. Difference between excitation signal and received signal is detected by sensitive electronics.
Instrumentation
- MATEC 310 transmitter and 625 receiver
- Homemade spectrometer. (Y. Lee’s group)
Images & Sample Data
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Diagram Diagram
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Acoustic Impedance cell Acoustic Impedance cell
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Acoustic Impedance cell Acoustic Impedance cell
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Sample data. Sample data.
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Sample data. Sample data.
View the embedded image gallery online at:
https://nationalmaglab.org/user-facilities/high-b-t-facility/high-b-t-measurement-techniques/acoustic-impedance#sigProIdf105d8ff9a
https://nationalmaglab.org/user-facilities/high-b-t-facility/high-b-t-measurement-techniques/acoustic-impedance#sigProIdf105d8ff9a
Related Publications
H. C. Choi, et al., A1 and A2 Transitions in Superfluid 3He in 98% Porosity Aerogel, Phys. Rev. Lett. 93, 145302 (2004). Read online.