材料科学
Crystal(编程语言)
钇
双功能
激光器
边坡效率
离子
单晶
红外线的
硼
晶体生长
分析化学(期刊)
光学
光电子学
结晶学
化学
光纤激光器
物理
波长
有机化学
催化作用
冶金
色谱法
程序设计语言
计算机科学
氧化物
生物化学
作者
Madalin Greculeasa,Alin Broasca,Flavius Voicu,Ştefania Hau,Gabriela Croitoru,George A. Stanciu,C. Gheorghe,Nicolaie Pavel,L. Gheorghe
标识
DOI:10.1016/j.optlastec.2020.106433
摘要
High optical quality LaxNdyGdzSc4−x−y−z(BO3)4 (Nd:LGSB) single crystal has been obtained by the Czochralski technique. The crystal composition was found to be La0.721Nd0.046Gd0.452Sc2.781(BO3)4. Low-temperature spectroscopic investigations revealed that the Nd3+ ions enter only in La3+ ions sites. The main nonlinear optical (NLO) properties of Nd:LGSB (4.6 at.%) crystal were found to be comparable to those of yttrium aluminum borate (YAB) crystal. Laser emission at 1.06 µm with 24.5 mJ energy per pulse for 35.6 mJ absorbed pump pulse energy at 807 nm and 0.71 slope efficiency has been obtained from a c-cut Nd:LGSB (4.6 at.%) uncoated crystal sample with 6.14 mm length. Slope efficiency as high as 0.73 was obtained from an uncoated 2.96 mm thick a-cut sample. The good NLO properties of Nd:LGSB crystal together with the excellent near-infrared laser performances, recommends Nd:LGSB as a very promising bifunctional crystal in self-frequency doubling configuration.
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