Suppression of the influence of a photovoltaic dc field on volume holograms in Fe:LiNbO3.
A nonuniform photovoltaic field is created in Fe:LiNbO3 during hologram recording exposures. Experimental results and analysis show the degradation of the volume holograms in the presence of the photovoltaic field. A sodium chloride solution is used to short-circuit the crystal to improve the stored-image quality. Experimental results to demonstrate the effectiveness of the proposed method are presented.
Tsinghua University, State Key Laboratory of Precision Measurement Technology and Instrumentation, Beijing, China.
Qingsheng
Q
He
Guodong
G
Liu
Xiaochun
X
Li
Jiangang
J
Wang
Minxian
M
Wu
Guofan
G
Jin