Optical Measurement of Number Density, Absorption Coefficient, and index of Refraction of Dilute Sodium Vapor
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Date
2001-06
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Addis Ababa University
Abstract
In this thesis, the number density and vapor pressure of a sodium atom in the
temperature ranges 337 K, close to room temperature, up to 511 K are
determined from the measurement of the transmittance and temperature of the
sample. The broadening parameters at different temperatures are determined for
the two lines. The absorption coefficients, and index of refraction of the sodium
atom in the optical region, at the D lines (589.76 nm and 589.16 nm), are
obtained
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Keywords
Absorption Coefficient