21 June 2006 Remote optical monitoring of the expansion of a pressurized foil membrane
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Proceedings Volume 6345, Seventh International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; 63451M (2006) https://doi.org/10.1117/12.693098
Event: Seventh International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 2006, Ancona, Italy
Abstract
A white light interferometric system for remote monitoring of the expansion of a pressured foil membrane is described. The membrane will serve as a transmission "window" in liquid and gaseous target chambers for the production of radio-isotopes in an accelerator. Alternative commercial solutions are unsuitable in this environment. We describe some feasibility experiments which have been performed on a model cell pressurized to expand the foil. Pressures of up to 25 bar induce expansions of up to 1.5 mm in the center of the foil, which the optical probe, positioned 100 mm away, detects with a precision of 20 μm. The results fit well to an accepted model, yielding also the Young's modulus of the foil and its transition from elastic to plastic behavior.
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G. Berkovic, I. Silverman, D. Kijel, E. Shafir, "Remote optical monitoring of the expansion of a pressurized foil membrane", Proc. SPIE 6345, Seventh International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 63451M (21 June 2006); doi: 10.1117/12.693098; https://doi.org/10.1117/12.693098
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