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Kvantovaya Elektronika, 1974, Volume 1, Number 6, Pages 1420–1422 (Mi qe9329)  

Laser interferometer for remote measurement of displacements in nuclear radiation fields

Yu. G. Lakin, V. V. Sizov, R. N. Abakumova
Abstract: An analysis is made of the methods for measuring the radiation-induced deformations of construction materials in a nuclear reactor channel with the aid of a laser interferometer. The interferometer represents the Michelson configuration with arms whose equality is ensured by a special adjustment device. Confocal cat's eye systems are used as reflectors. The laser interferometer is operated in such a way that both reflecting systems are placed in a line in the reactor channel, one being attached to the investigated sample. This ensures a considerable reduction in the errors associated with temperature. The difference between the optical paths due to the deformation caused by nuclear radiation is measured with a resettable electronic fringe counter. In this way, movements down to ~0.16 μ can be detected.
Received: 26.11.1973
Revised: 04.02.1974
English version:
Soviet Journal of Quantum Electronics, 1974, Volume 4, Issue 6, Pages 786–787
DOI: https://doi.org/10.1070/QE1974v004n06ABEH009329
Document Type: Article
UDC: 535.853.4:621.378.33
PACS: 42.62.Eh, 07.60.Ly, 28.41.Rc, 06.30.Bp
Language: Russian


Citation: Yu. G. Lakin, V. V. Sizov, R. N. Abakumova, “Laser interferometer for remote measurement of displacements in nuclear radiation fields”, Kvantovaya Elektronika, 1:6 (1974), 1420–1422 [Sov J Quantum Electron, 4:6 (1974), 786–787]
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    Квантовая электроника Quantum Electronics
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