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Optical Engineering

Laser holographic interferometry for investigations of cylindrical transparent tubes
Author(s): Mihai F. Ralea; Nicu Rosu; Iancu Iova
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Paper Abstract

A new double differential refractometer for student laboratories, based on holographic interferometry in real time with reference hologram and reference fringes, is presented. By studying the interferograms one gets a graphical record of the radial, axial, and temporal distribution of the refraction index in cylindrical tubes. This method permits the determination of the experimental parameters for cases when the relationship between these parameters and the refraction index is known. The paper presents experimental results for gas-discharge parameters.

Paper Details

Date Published: 1 May 1996
PDF: 3 pages
Opt. Eng. 35(5) doi: 10.1117/1.600994
Published in: Optical Engineering Volume 35, Issue 5
Show Author Affiliations
Mihai F. Ralea, Politehnica Univ. of Bucharest (Romania)
Nicu Rosu, Politehnica Univ. of Bucharest (Romania)
Iancu Iova, Univ. of Bucharest (Romania)

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