Affiliation:
1. Fisher Research Laboratories, Fisher Scientific Company, 590 Lincoln Street, Waltham, Massachusetts 02154
Abstract
The determination of depolarization ratios can be made accurately with a laser Raman spectrometer, and the precision of the measurements is more a function of the sample than of instrumental performance. Therefore the discussion of depolarization measurements will commence with a brief analysis of the fundamentals of Raman emission from the sample. Thereafter the discussion will take into account the influence of the spectrograph on depolarization measurements. The conclusions to be drawn from the considerations, together with the application of well known optical laws, will permit optimum conditions to be defined for accurate depolarization measurements. Finally, a review of eight different experimental methods proposed and suggested conditions for their use will be given.
Subject
Spectroscopy,Instrumentation
Reference4 articles.
1. Raman Apparatus Using Laser Excitation and Polarization Measurements. Rotational Spectrum of Fluorine
2. Born Max and Wolf Emil, Principles of Optics (The Macmillan Company, New York, 1964), 2nd (revised) ed., Chap. 1.5.2, pp. 38 ff.
3. Jenkins F. A. and White H. E., Fundamentals of Optics (McGraw—Hill Book Company, New York, 1957), 3rd ed., Chap. 25, pp. 509 ff.
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