Electrical domain fixing of photorefractive index gratings in (K[sub 0.5]Na[sub 0.5])[sub 0.2](Sr[sub 0.75]Ba[sub 0.25])[sub 0.9]Nb[sub 2]O[sub 6] crystals

Shen, Xiaonong; Xiaonong Shen; Zhao, Jianhua; Jianhua Zhao; Wang, Ruibo; Ruibo Wang; Cheng, Zhenxiang; Zhenxiang Cheng; Zhang, Shujun; Shujun Zhang; Chen, Huanchu; Huanchu Chen
August 2000
Applied Physics Letters;8/21/2000, Vol. 77 Issue 8
Academic Journal
Electrical domain fixing in Cu- and Mn-doped (K[sub 0.5]Na[sub 0.5])[sub 0.2](Sr[sub 0.75]Ba[sub 0.25])[sub 0.9]Nb[sub 2]O[sub 6] (KNSBN) crystals is presented. The relation between the applied field and the revealed grating in single and multidomain crystals is investigated. In multidomain Mn-doped KNSBN, a revealing efficiency of over 233% is obtained. The mechanism of domain fixing in single and multidomain crystal is discussed. © 2000 American Institute of Physics.


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