For citations:
Kalugin E.E., Strigalev V.E., Mukhtubaev A.B., Meshkovskii I.K. Cross-polarization coupling in polarization maintaining fiber induced by periodic mechanical stress. Scientific and Technical Journal of Information Technologies, Mechanics and Optics. 2023;23(5):878-885. (In Russ.) https://doi.org/10.17586/2226-1494-2023-23-5-878-885