Two-Photon AbsorptionNo Access

TWO-PHOTON ABSORBING PHENYLENEVINYLENE DERIVATIVE HAVING SILYLOXY MOIETIES IN DONOR UNITS

MOON SOO KIM

Department of Polymer Science & Engineering, Hannam University, Daejeon 306-791, Korea

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HYUN-KWAN YANG

Department of Polymer Science & Engineering, Hannam University, Daejeon 306-791, Korea

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RAN HEE KIM

Department of Polymer Science & Engineering, Hannam University, Daejeon 306-791, Korea

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KWANG-SUP LEE

Department of Polymer Science & Engineering, Hannam University, Daejeon 306-791, Korea

Corresponding author.

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MYOUNGSIK CHA

Department of Physics and Research Center for Dielectric and Advanced Matter Physics, Pusan National University, Pusan 609-735, Korea

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HAEYOUNG CHOI

Department of Physics and Research Center for Dielectric and Advanced Matter Physics, Pusan National University, Pusan 609-735, Korea

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HONG-BO SUN

Department of Applied Physics, Osaka University, Suita, Osaka 565-0871, Japan

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, and

SATOSHI KAWATA

Department of Applied Physics, Osaka University, Suita, Osaka 565-0871, Japan

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https://doi.org/10.1142/S0218863504002134Cited by:5 (Source: Crossref)

Abstract

Two-photon absorbing phenylenevinylene derivative having silyloxy moieties in electron donor units (EHSEA) was prepared. The two-photon absorption (TPA) cross-section value of this chromophore was found to be 1.93×10^-48cm⁴sec/photon at 740 nm by using TPA-induced fluorescence method with 80 fs pulse laser. The nonlinear measurement with ns scale pulses has indicated that EHSEA exhibits an efficient optical power limiting activity. We have obtained micropatterns with high resolution by TPA-induced polymerization using EHSEA as a photosensitizer.

Keywords:

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