期刊
LASER AND PARTICLE BEAMS
卷 2022, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2022/3382780
关键词
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资金
- Kuwait Foundation for the Advancement of Sciences (KFAS), Kuwait [PDF/2020/002494]
- SERB, India through NPDF [PR18-13SP-01]
The third-order nonlinear optical properties of three hydrazone derivatives were studied, and their potential applications in photonic devices were found to be promising.
The third-order nonlinear optical properties of three hydrazone derivatives, namely, ethyl 2-((2E)-2-(4-(dimethylamino)benzylidene]hydrazinyl)-5-nitrobenzoate, ethyl 2-((2E)-2-(4-chlorobenzylidene)hydrazino)-5-nitrobenzoate, and methyl 5-nitro-2-((2E)-2-(4-nitrobenzylidene)hydrazino)benzoate were investigated by the single beam Z-scan technique with nanosecond laser pulses at 532 nm. The compounds were doped into PMMA (poly (methyl methacrylate)), and their third-order nonlinearity was studied with a prospective of reaching a compromise between processability and high nonlinear optical behavior. The optical limiting study of the samples was carried out at 532 nm. The measured values of the third-order nonlinear susceptibility, chi((3)), and the nonlinear refractive index, n(2), are of the order of 10(-13) esu and 10(-11) esu, respectively. The nonlinear absorption in materials was attributed to reverse saturable absorption. The results are quite promising for possible applications in photonic devices.
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