Monitoring of the uniformity of the thermal linear expansion coefficient of large optical components is considered. It is shown that it is preferable to use a differential method of measurement, in which the sample being investigated and the sample being compared are made from the material of the same batch.
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Translated from Izmeritel’naya Tekhnika, No. 7, pp. 46–49, July, 2009.
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Kompan, T.A., Sharov, A.A. Monitoring of the uniformity of the thermal linear expansion coefficient of large-size optical components. Meas Tech 52, 755–760 (2009). https://doi.org/10.1007/s11018-009-9345-9
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DOI: https://doi.org/10.1007/s11018-009-9345-9