Reverse saturable absorption of a novel rhodamine-B cation fulleride salt at 532 nm |
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| Authors: | C Liu Q Gong Y Chen H Chen D Qiang |
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| Institution: | (1) Department of Physics and State Key Laboratory for Mesoscopic Physics, Peking University, Beijing 100871, P.R. China, CN;(2) Department of Chemistry, Peking University, Beijing 100871, P.R. China, CN |
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| Abstract: | A novel rhodamine-B cation fulleride salt was synthesized by metathetical reaction. Its tetrahydrofuran solution was prepared
and the fluence-dependent transmission was measured with 10-ns 532-nm laser pulses in a collimated optical setup. With increases
in the input fluence, its transmittance decreased significantly, which indicated reverse saturable absorption behavior. For
comparison, the input fluence-dependent transmittance of fullerene C60 and rhodamine-B solution were also measured. The nonlinear optical limiting effect of the fulleride salt in tetrahydrofuran
is slightly lower than that of C60 in toluene and the explanations are provided.
Received: 25 August 2000 / Accepted: 6 November 2000 / Published online: 3 April 2001 |
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| Keywords: | PACS: 42 65 -k 78 66 Tr 81 05 Tp |
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