A heterodyne laser interferometer for dilatometer measurements |
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| Authors: | V. P. Kulesh L. M. Moskalik A. A. Sharov |
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| Affiliation: | 1.Central Aerodynamic Institute (TsAGI),Zhukovskii,Russia;2.Lytkarino Optical Glass Factory,Lytkarino,Russia |
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| Abstract: | A dilatometer measuring system based on heterodyne laser interferometry is described. An electrooptical light modulator based on the double transverse Pockels electrooptical effect in a crystal of lithium niobate and operating in the quarter-wave mode is used as the optical heterodyne. The electronic measuring system uses modern microelectronic components with a high degree of integration. |
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