Science Island jamoasi o'rta infraqizil lazerli yuqori samarali lityum niobat Q-kommutatsiya texnologiyasida muvaffaqiyatga erishdi.
Yaqinda Xitoy Fanlar akademiyasining Xefey tadqiqot instituti Sog'liqni saqlash institutining Tibbiy lazer texnologiyasi laboratoriyasining tadqiqotchisi Jiang Xayxning tadqiqot guruhi Xitoyning elektronika texnologiyalari guruhi bilan hamkorlik qildi va akustomatik tadqiqotlarda muhim yutuqlarga erishdi. o'rta infraqizil diapazonda optik Q-switching texnologiyasi: birinchi marta lityum niobat (LiNbO3) kristallari amalga oshirildi. Akusto-optik kalitlar va ularning 2,79 mkm Er, Cr: YSGG lazerlarida yuqori samarali Q-switchli chiqishi. Tegishli natijalar Optics Letters xalqaro optik jurnalida chop etildi.
Lithium niobate crystal is a traditional multifunctional crystal. In recent years, lithium niobate thin-film photonic devices with extremely low optical loss and rich photoelectric functions have developed rapidly. Lithium niobate is expected to replace silicon materials in the field of integrated photonics. Problems provide solutions. Since the discovery of lithium niobate crystal in 1937, although it has good acousto-optic properties and has been used as a transducer material for a long time, it has not been able to realize the laser acousto-optic Q-switching switch of bulk crystals. This research has realized the homogeneity and integration of the acousto-optic medium and the transducer, which can simplify the manufacturing process, reduce the auxiliary cost, and also reduce the loss of ultrasonic energy, so that the diffraction efficiency of the lithium niobate Q-switch can reach 57%. And the lithium niobate crystal has a high damage resistance threshold (>200 MVt/sm2).
