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Advances in deep ultraviolet laser based high-resolution photoemission spectroscopy 被引量:2
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作者 Zu-yan XU Shen-jin ZHANG +10 位作者 Xing-jiang ZHOU Feng-feng ZHANG Feng YANG Zhi-min WANG Nan ZONG Guo-dong LIU Lin ZHAO Li YU Chuang-tian CHEN Xiao-yang WANG Qin-jun PENG 《Frontiers of Information Technology & Electronic Engineering》 SCIE EI CSCD 2019年第7期885-914,共30页
We briefly review recent results on photoemission spectroscopy based on the deep and vacuum ultraviolet diode pumped solid-state lasers which we have developed.Cascaded second harmonic generation with the nonlinear cr... We briefly review recent results on photoemission spectroscopy based on the deep and vacuum ultraviolet diode pumped solid-state lasers which we have developed.Cascaded second harmonic generation with the nonlinear crystal KBe2BO3F2(KBBF)is used to generate deep ultraviolet and vacuum ultraviolet laser radiation,which complements traditional incoherent light sources such as gas discharge lamps and synchrotron radiation,and has greatly improved resolution with respect to energy,momentum,and spin of photoemission spectroscopy.Many new functions have been developed with the advantages of high photon energy,narrow linewidth,high photon flux density,and so on.These have led to the observation of various new phenomena and the amassment of new data in the fields of high temperature superconductivity,topological electronics,Fermi semi-metals,and so forth.These laser systems have revived the field of photoemission spectroscopy and provided a new platform in this frontier research field. 展开更多
关键词 Deep and vacuum ultraviolet laser second harmonic generation KBe2BO3f2 nonlinear crystal Photoelectron spectroscopy
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