Abstract
(Ba0.7Sr0.3)TiO3 (BST) ferroelectric thin films with perovskite crystal structure were fabricated by soft solution processing on a quartz substrate. The third-order nonlinear optical properties were investigated by using Z-scan technique. Positive nonlinear refractive index and nonlinear absorption coefficient were determined to be 4×10 -7 esu and 1.2×10-6 m/w, respectively. The real part and imaginary part of third-order optical nonlinear susceptibility were calculated and the values were 6.43×10-8 and 5.14×10 -8 esu, respectively. All of these results show ferroelectric BST thin film is promising for applications in nonlinear optical devices.
| Original language | English |
|---|---|
| Pages (from-to) | 589-593 |
| Number of pages | 5 |
| Journal | Solid State Communications |
| Volume | 134 |
| Issue number | 9 |
| DOIs | |
| State | Published - Jun 2005 |
Keywords
- A. Thin films
- D. Optical properties
- E. Nonlinear optics
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