Two-Photon Induced Fluorescence Properties of a Class of Conjugated Ketone Derivatives
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概要
- 論文の詳細を見る
We have designed a series of bis(cinnamylidene)cycloalkanone derivatives as two-photon absorption (TPA) compounds that possess a much stronger two-photon absorption induced fluorescence (TPF) than common organic dyes when excited with near-infrared laser radiation. The TPF intensity of the saturated solution of 2,5-bis(p-dimethylaminocinnamylidene)cyclopentanone (DMACCP) excited using a Q-switched Nd:YAG laser at 1064 nm was found to be 11 times larger than that of the most promising TPF compounds. The TPA cross section of the present compounds, as estimated by a fluorescence-based technique, varied from $5\times 10^{-50}$ cm4s/photon for 2,6-bis[3-(9-ethyl)carbazoyl-3-ylidene]cyclohexanone (DMACCH) to $20\times 10^{-50}$ cm4s/photon for DMACCP at an excitation wavelength of 1064 nm.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 2003-01-15
著者
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Kawamata Jun
Research Institute For Electronic Science Hokkaido University
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Inagaki Yoshio
Ashigara Research Laboratories Fuji Photo Film Co. Ltd.
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Akiba Masaharu
Ashigara Research Laboratories Fuji Photo Film Co. Ltd.
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Akiba Masaharu
Ashigara Research Laboratories, Fuji Photo Film Co., Ltd., 210 Nakanuma, Minamiashigara, Kanagawa 250-0193, Japan
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Inagaki Yoshio
Ashigara Research Laboratories, Fuji Photo Film Co., Ltd., 210 Nakanuma, Minamiashigara, Kanagawa 250-0193, Japan
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Kawamata Jun
Research Institute for Electronic Science, Hokkaido University, N12W6 Kita-ku, Sapporo 060-0812, Japan
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