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Study of thickness effects on the nonlinear of paprika oil and pepper oil | ||
| JOURNAL OF THI-QAR SCIENCE | ||
| Article 1, Volume 6, Issue 2, 2017, Pages 47-51 | ||
| Authors | ||
| ; C. A. Emshary | ||
| Abstract | ||
| In this article the optical nonlinear propreties in paprika oil and pepper oil are studied using two visible laser beams a two wavelengths 532 nm and 473 nm via diffraction ring patterns. Both total change in refractive index, ∆n, and nonlinear refractive index , n2 ,has changed against samples thicknesses. The outer most ring diameter in each pattern has change a lot. It appear to us that thermal nonlinear refractive in negative. The increase of samples thicknesses and the decrease of input power reduce ∆n and n2. | ||
| Keywords | ||
| paprika oil and pepper oil; nonlinear optical properties; rings pattern; sample thickness | ||
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