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Chin. Opt. Lett.
 Home  List of Issues    Issue 08 , Vol. 07 , 2009    10.3788/COL20090708.0718


Fast lateral photovoltaic effect in ferroelectric LiNbO3 single crystals
Zhiqing Lü1, Kun Zhao1;2, Hao Liu1, Na Zhou1, Hui Zhao1, Lei Gao1, Songqing Zhao1, Aijun Wang1
1 Laboratory of Fiber Optic Sensing Technology, [China University of Petroleum], Beijing 102249, China
2 [International Center for Materials Physics, Chinese Academy of Sciences], Shenyang 110016, China

Chin. Opt. Lett., 2009, 07(08): pp.718-719-2

DOI:10.3788/COL20090708.0718
Topic:Materials
Keywords(OCIS Code): 160.3730  160.2260  320.7120  

Abstract
We report the fast lateral photovoltaic effect in pure congruent LiNbO3 crystal induced by pulsed laser and continuous wave laser with wavelengths of 355, 532, and 1064 nm. A typical ultrafast photovoltage can be observed on the surface perpendicular to the c axis, with the rise time of 1.5 ns and the full-width at half-maximum of 1–2 ns, when the laser pulse inhomogeneously irradiates on the crystal. The peak open-circuit photovoltages show a linear dependence on the incident laser intensities. The mechanism of the photovoltaic characteristics is proposed.

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Received:2009/1/13
Accepted:
Posted online:

Get Citation: Zhiqing Lü, Kun Zhao, Hao Liu, Na Zhou, Hui Zhao, Lei Gao, Songqing Zhao, Aijun Wang, "Fast lateral photovoltaic effect in ferroelectric LiNbO3 single crystals," Chin. Opt. Lett. 07(08), 718-719-2(2009)

Note: This work was supported by the Program for New Century Excellent Talents in University, the National Natural Science Foundation of China (Nos. 50672132 and 60778034), the Research Fund for the Doctoral Program of Higher Education (No. 200804250006), the Key Project of Chinese Ministry of Education (No. 107020), and the Beijng Natural Science Foundation (No. 4082026).



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