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Collinear photothermal deflection spectroscopy of liquid samples at varying temperature

Publication Type

Journal Article

Date Published

10/1993

Authors

Spear, Jonathan D, Robert J Silva, Gregory L Klunder, Richard E Russo

Abstract

The method of photothermal beam deflection was demonstrated for measuring the absorption spectrum of an aqueous Nd³⁺ solution at temperatures between 25°C and 90°C. Changes in the magnitude of the observed deflection can be correlated with the temperature dependence of both the absorptivity of the Nd³⁺ ions and the physical properties of the solvent, most notably the thermo-optic coefficient dn/dT.

Journal

Applied Spectroscopy

Volume

Year of Publication

1993

URL

http://www.opticsinfobase.org/as/abstract.cfm?uri=as-47-10-1580

Issue

Organization

Laser Technologies Group, Energy Storage and Distributed Resources Division