Controllable enhanced linear and nonlinear optical characteristics induced by PT-like phase transition

2020 ◽  
Vol 384 (33) ◽  
pp. 126836
Author(s):  
Yun-Qiu Ge ◽  
Yao-Tong Chen ◽  
Kai Yin ◽  
Yan Zhang
1994 ◽  
Vol 08 (20n21) ◽  
pp. 2921-2933 ◽  
Author(s):  
L. W. ZHOU ◽  
J. F. YE ◽  
R. B. TAO ◽  
Y. TANG ◽  
J. F. PENG ◽  
...  

Linear and nonlinear optical study on electrorheological (ER) fluids is reported. The ER fluids under the investigation were glass beads, zeolite and ferroelectrics. The linear optical response of some ER fluids showed sharp changes near critical electric fields. An enhancement of electric field induced second harmonic generations (EFISH) was observed as the function of E2, where E is the external electric field. The said enhancement is considered to be corresponding to a modulation of the material's refractive index associated with the electric field induced polarization of the delocalized electrons. The enhanced nonlinear optical response on the transition between liquid and solid states can be related to the phase transition in ER fluids.


2017 ◽  
Vol 511 ◽  
pp. 1-9 ◽  
Author(s):  
M. Nageshwari ◽  
P. Jayaprakash ◽  
C. Rathika Thaya Kumari ◽  
G. Vinitha ◽  
M. Lydia Caroline

1996 ◽  
Vol 76 (18) ◽  
pp. 3384-3387 ◽  
Author(s):  
T. Portengen ◽  
Th. Östreich ◽  
L. J. Sham

2019 ◽  
Vol 8 ◽  
pp. 117-122 ◽  
Author(s):  
N. Indumathi ◽  
K. Deepa ◽  
E. Chinnasamy ◽  
D. Suresh Kumar ◽  
J. Madhavan ◽  
...  

2016 ◽  
Vol 122 (10) ◽  
Author(s):  
Zhousu Xu ◽  
Qiangbing Guo ◽  
Chang Liu ◽  
Zhijun Ma ◽  
Xiaofeng Liu ◽  
...  

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