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Optimizations for the uniformity of the non-volatile volume grating in doubly doped LiNbO3 crystals

✍ Scribed by Cuixia Dai; Liren Liu; De’an Liu; Zhifang Chai; Zhu Luan


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
160 KB
Volume
248
Category
Article
ISSN
0030-4018

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This paper shows the important role that plays the electron-lattice coupling to represent correctly the energy levels of Cr 3þ ions in Nb 5þ site into congruent LiNbO 3 crystals doped with 5.3% of ZnO. Racah's parameters: B ¼ 646 cm 21 ; C ¼ 3022 cm 21 and crystal field intensity Dq ¼ 1342 cm 21 wer