Ertel H, Tiltscher H. Optical probe for on-line spectroscopic measurements in the near-critical region.
APPLIED OPTICS 1992;
31:6972-6973. [PMID:
20802553 DOI:
10.1364/ao.31.006972]
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Abstract
An optical probe is presented for concentration determinations by high-pressure spectroscopy in the near-critical region. Based on the constructive design, the radiation path within a pressure vessel is independent of the refractive index of the fluid media.
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