ICCAS OpenIR
Third-order optical nonlinearities and optical limiting of octa-octyloxy metallo-phthalocyanine for ps pulses in toluene
Chen, Y; Li, YJ; Nie, YX; Wang, DY
2002-03-01
Source PublicationACTA PHYSICA SINICA
ISSN1000-3290
Volume51Issue:3Pages:578-583
AbstractThe third-order nonlinear optical properties of the octa-octyloxy metallo-phthalocyanines (C8H(17)O)(8) PcZn (PcZn) (C(8)H(17)O)g PcNi (PeNi) and (C(8)H(17)O)(8) PcPb (PePb) were studied by Z-scan using 35 ps laser pulses at 532 run in toluene. The excited singlet absorption cross-sections sigma(ex) of 2.7x10(-17) cm(2) (PcZn) 8.2x10(-18) cm(2) (PcNi) and 3.4x10(-18) cm (PcPb) were obtained by the simulation of experimental data using a multi-level model and the corresponding nonlinear refractive index n(2)=-7.9x10(-13) esu I -5.5x10(-13) esu, and -1.6x10(-12) eSU were also obtained respectively. The optical-limiting performances of this kind of molecules at 532 nm for 35 ps pulses have been investigated, and the limiting mechanism is the reverse saturable absorption of excited singlet states. The limiting thresholds at T/T(0) = 0.5 were measured to be 60, 80 and 130 mJ/cm(2) for (PcZn), (PcNi) and (PePb) respectively. When the incident fluence reached 0.5 J/cm(2), the corresponding transmitted fluences were 40, 80 and 150 mJ/cm(2) for (PcZn), (PcNi) and (PePb) respectively, in which the transmitted fluences of PcZn and PcNi were much lower than that of C(60) (140 mJ/cm(2)) under the same condition. These data suggest that the octa-octyloxy metallo-phthalocyanines are a kind of promising optical limiting materials.
KeywordOptical Limiting Octa-octyloxy Metallophthalocyanines Z-scan Nonlinear Absorption
Indexed BySCI
Language英语
WOS IDWOS:000174400000023
PublisherCHINESE PHYSICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/79178
Collection中国科学院化学研究所
Corresponding AuthorChen, Y
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Inst Phys, Lab Opt Phys, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Chen, Y,Li, YJ,Nie, YX,et al. Third-order optical nonlinearities and optical limiting of octa-octyloxy metallo-phthalocyanine for ps pulses in toluene[J]. ACTA PHYSICA SINICA,2002,51(3):578-583.
APA Chen, Y,Li, YJ,Nie, YX,&Wang, DY.(2002).Third-order optical nonlinearities and optical limiting of octa-octyloxy metallo-phthalocyanine for ps pulses in toluene.ACTA PHYSICA SINICA,51(3),578-583.
MLA Chen, Y,et al."Third-order optical nonlinearities and optical limiting of octa-octyloxy metallo-phthalocyanine for ps pulses in toluene".ACTA PHYSICA SINICA 51.3(2002):578-583.
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