DISTRIBUTED TEMPERATURE MONITORING INSIDE YTTERBIUM DFB AND HOLMIUM FIBER LASERS СтатьяKamynin V.A., Wolf A.A., Skvortsov M.I., Filatova S.A., Kopyeva M.S., Vlasov A.A., Tsvetkov V.B., Babin S.A.Journal of Lightwave Technology. Том 39. 2021. С. 5980-5987