%0 Journal Article
%K measurements
%K measurement
%K solution
%A Richard E Russo
%A Dorys Rojas
%A Piotr B Robouch
%A Robert J Silva
%B Review of Scientific Instrumentation
%D 1990
%F Laser
%G eng
%I AIP Publishing
%N 12
%R 10.1063/1.1141544
%T Remote photoacoustic measurements in aqueous solutions using an optical fiber
%V 61
%2 LBNL-29512
%8 12/1990
%! Rev. Sci. Instrum.
%X <p>A photoacoustic spectrometer was developed for remote optical absorption measurements in aqueous solutions using an 85‐m optical fiber to deliver pulsed tunable dye laser radiation to a sample cuvette located in a glove box. The spectrometer was tested using aqueous solutions of praseodymium ions. Beer’s law was verified down to a concentration of 8×10<sup>−6</sup>M for an equivalent absorptance of 3.2×10<sup>−5</sup> cm<sup>−1</sup>.</p>