Large purely refractive nonlinear index of single crystal P-toluenesulphonate (PTS) at 1600 nm |
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| Authors: | Lawrence BL Cha M Kang JU Toruellas W Stegeman G Baker G Meth J Etemad S |
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| Institution: | CREOL, Central Florida Univ., Orlando, FL; |
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| Abstract: | Z-scan measurements at 1600 nm on single-crystal PTS (p-toluene sulfonate) with single, 65 ps pulses gave a complex nonlinear refractive index coefficient of n2=2.2(±0.3)×10-12 cm2/W at 1 GW/cm2 and α2<0.5 cm/GW. This is the first highly nonlinear, organic material to satisfy the conditions imposed by the figures of merit |
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