ICCAS OpenIR
Optical limiting of pentaazadentate complexes in solution for nanosecond pulses
Guo, FQ; Sun, WF; Wang, DY; Song, YL
2001
Source PublicationOPTICAL ENGINEERING
ISSN0091-3286
Volume40Issue:1Pages:138-141
AbstractPassive optical limiters are significant for protecting sensors and human eyes from high intensity laser. The selection of materials is still the key point for optical power limiters. The optical limiting performances have been measured for six new pentaazadentate metal complexes with initial linear transmission of 0.90 in a 2 mm cell in chloroform at 532 nm with 8 ns pulses, in which the reverse saturable absorption from the triplet-->triplet excited state is responsible for the optical limiting. The optical limiting thresholds at T/T-0 = 0.5 are 139 mJ/cm(2), 350 mJ/cm(2) and 420 mJ/cm(2) for [(PMC-NO2)Cd]CI, [(PMC-Np)Cd]CI, and [(PMC)Sm]CI, respectively. The lowest nonlinear transmittance for [(PMC-NO2)Cd]CI is 10%, while the incident maximum fluence reaches to 600 mJ/cm(2). The ratios of T-0/T-lim, are estimated at 2.3 to 9.0. The limiting thresholds are strongly influenced by the nature of the substituents on the benzene ring and the heavy atom effect. Electron withdrawing groups of the complexes can enhance the limiting capability, and the heavy atom effect facilitates the decreasing of the limiting threshold. (C) 2001 Society of Photo-Optical Instrumentation Engineers.
KeywordOptical Limiting Pentaazadentate Metal Complexes Limiting Thresholds Lowest Nonlinear Transmittance
Indexed BySCI
Language英语
WOS IDWOS:000166807400020
PublisherSPIE-INT SOCIETY OPTICAL ENGINEERING
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/77102
Collection中国科学院化学研究所
Corresponding AuthorGuo, FQ
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Lab Photochem, Beijing 100080, Peoples R China
2.Haerbin Engn Univ, Dept Appl Phys, Haerbin 150001, Peoples R China
Recommended Citation
GB/T 7714
Guo, FQ,Sun, WF,Wang, DY,et al. Optical limiting of pentaazadentate complexes in solution for nanosecond pulses[J]. OPTICAL ENGINEERING,2001,40(1):138-141.
APA Guo, FQ,Sun, WF,Wang, DY,&Song, YL.(2001).Optical limiting of pentaazadentate complexes in solution for nanosecond pulses.OPTICAL ENGINEERING,40(1),138-141.
MLA Guo, FQ,et al."Optical limiting of pentaazadentate complexes in solution for nanosecond pulses".OPTICAL ENGINEERING 40.1(2001):138-141.
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