Cu-Doped KNSBN Single Crystals

Chin. Phys. Lett.

1996, Vol. 13

Issue (10): 757-760 DOI:

Original Articles

Cu-Doped KNSBN Single Crystals

XIA Hai-rui¹;WANG Cheng-jian¹;CHEN Huan-chu²;YANG Zhao-he²

¹Department of Physics, ²Institute of Crystal Materials, Shandong University, Jihan 250100

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XIA Hai-rui, WANG Cheng-jian, CHEN Huan-chu et al 1996 Chin. Phys. Lett. 13 757-760

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Abstract The preparation procedure, the transmissivity, and the two-wave coupling properties of coppermodified potassium sodium strontium barium niobate (KNSBN) crystals are reported. The Cu ions doped in KNSBN can form two deep energy levels. This means that they are able to act as centers for free charge carrier stimulation and recombination. The two-wave coupling gain coefficient of KNSBN: Cu is two times larger than that of KNSBN. The photorefractive sensitivity of KNSBN: Cu is estimated to be in the order of 10^-3cm²/J.

Keywords: 61.50.Cj 61.70.Tm 71.70.Ch

Published: 01 October 1996

PACS:	61.50.Cj
	61.70.Tm
	71.70.Ch	(Crystal and ligand fields)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1996/V13/I10/0757

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	XIA Hai-rui
	WANG Cheng-jian
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	YANG Zhao-he

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