meso-四(对十六烷氧基苯基)卟啉的非线性吸收研究

Nonlinear Absorption Properties of the meso-tetrakis (p-hexadecyloxyphenyl) Porphyrin

从理论和实验两方面对新型卟啉化合物5,10,15,20-四(对十六烷氧基苯基)卟啉的非线性吸收特性进行了研究。实验采用开孔Z-扫描方法,使用可调谐纳秒光参量振荡器(OPO)作为光源,获得了710～820nm波长范围内的Z-扫描曲线。研究表明,该卟啉化合物在较宽的光谱范围内具有大的非线性吸收系数,是一种具有潜在应用价值的新型光限幅材料。

Nonlinear absorption properties of a newly-synthesized molecule 5,10,15,20-tetrakis （p-hexadecyloxyphenyl） porphyrin are studied experimentally and theoretically in this paper. Using a nanosecond optical parametric oscillator（OPO）, we obtain the open aperture Z- scan data over the wavelength ranging from 710 nm to 820 nm. Results show that the porphyrin derivative has a large nonlinear absorption coefficient, which has potential applications as novel optical power limiting material.