STABILITY OF THE PROPERTIES OF AN ACOUSTO-OPTICAL CONVERTER BASED ON POLYVINYLIDENE FLUORIDE FILMS UNDER EXTERNAL INFLUENCE СтатьяOsipkov A.S., Makeev M.O., Solodilov V.I., Moiseev K.M., Mikhalev P.A., Makarova K.T., Emanov D.P., Parshin B.A., Khromova M.A.Journal of Optical Technology. Том 91. 2024. 502 с.