vestifmИзвестия Национальной академии наук Беларуси. Серия физико-математических наукProceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series1561-24302524-2415The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"vestifm-124Research ArticleФИЗИКАPHYSICSИСПОЛЬЗОВАНИЕ ДВУХФОТОННОГО ПОГЛОЩЕНИЯ В НЕОРГАНИЧЕСКИХ СЦИНТИЛЛЯЦИОННЫХ МАТЕРИАЛАХ ДЛЯ ФОРМИРОВАНИЯ СУБПИКОСЕКУНДНЫХ ВРЕМЕННЫХ МЕТОК ВЗАИМОДЕЙСТВИЯ С ИОНИЗИРУЮЩИМ ИЗЛУЧЕНИЕМUSE OF TWO-PHOTON ABSORPTION IN INORGANIC SCINTILLATOR MATERIALS FOR FORMING SUB-PICOSECOND TIME STAMPS OF INTERACTION WITH IONIZING RADIATIONАуфрейЭ.AuffrayE.etiennette.auffray@cern.chБугановО. В.BuganovO. V.stik@presidium.bas-net.byКоржикМ. В.KorjikM. V.korzhik@bsu.inp.byТихомировС. А.TikhomirovS. A.stik@presidium.bas-net.byФедоровА. А.FedorovA. A.korzhik@bsu.inp.byШирокановА. Д.ShirokanovA. D.stik@presidium.bas-net.byЦЕРН, ЖеневаCERN, GenevaИнститут физики им. Б. И. Степанова Национальной академии наук Беларуси, МинскB. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus, MinskИнститут ядерных проблем Белорусского государственного университета, МинскResearch Institute for Nuclear Problems of Belarusian State University, Minsk201519052016039197Copyright © Ауфрей Э., Буганов О.В., Коржик М.В., Тихомиров С.А., Федоров А.А., Широканов А.Д., 20162016Ауфрей Э., Буганов О.В., Коржик М.В., Тихомиров С.А., Федоров А.А., Широканов А.Д.Auffray E., Buganov O.V., Korjik M.V., Tikhomirov S.A., Fedorov A.A., Shirokanov A.D.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestifm.belnauka.by/jour/article/view/124

Рассмотрены особенности сигнала двухфотонного поглощения в кристалле вольфрамата свинца (PbWO4) в эксперименте типа «накачка – зондирование». Обнаружены различия в спектральных зависимостях регистрируемого эффекта двухфотонного поглощения при наличии ионизирующего облучения кристалла и без него. Предложен метод использования эффекта для формирования временной метки взаимодействия ионизирующего излучения с сцинтиллятором. 

The features of the two-photon absorption signal in lead tungstate crystals (PbWO4) in the “pump – probe” experiment are considered. The differences in the spectral dependences of the recorded two-photon absorption effect in the presence of ionizing radiation of a crystal and without it are discovered. The method of utilizing the effect to generate a time stamp of interaction of ionizing radiation with a scintillator is proposed. 

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The authors declare that there are no conflicts of interest present.