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A MICROPROCESSOR CONTROLLED PHOTOACOUSTIC SPECTROPHOTOMETER OF WIDE DYNAMIC RANGE AND HIGH PRECISION

Objective


A microprocessor controlled photoacoustic spectrometer for extracavity measurements was developed and applied to the study of the dynamics of chemical relaxation. A quantitative interpretation not only of the photoacoustic signal but also of the behaviour of the resonance frequency and resonance halfwidth was achieved. All measurements were performed with a cylindrical resonator.

Funding Scheme

CSC - Cost-sharing contracts
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Coordinator

RUPRECHT-KARLS-UNIVERSITAET HEIDELBERG
Address
Seminarstrasse 2
69117 Heidelberg
Germany

Participants (1)

University of Strathclyde
United Kingdom
Address
50 George Street
G1 1BA Glasgow