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The Research of Femtosecond Laser Fabrication Which is Based on DPO-PPV Photoisomerization

Author: ZhangWenYi
Tutor: SunHongBo
School: Jilin University
Course: Microelectronics and Solid State Electronics
Keywords: Femtosecond laser micro- nanofabrication Photoisomerization DPO-PPV
CLC: TN249
Type: Master's thesis
Year: 2009
Downloads: 98
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Abstract


In this paper, a containing the high cis structure fluorescent material DPO-PPV as a material system is proposed based on the the photoisomerization principle femtosecond laser micro- nanofabrication theory . From synthetic material began synthesized the different cis content DPO -PPV , and systematic study of the nature of the UV-visible absorption , fluorescence emission , refractive index, two-photon absorption , reveal olefin cis-trans isomerization polymerization of PPV the nature of the material , and to lay the foundation for further laser processing micro- structure and its application . Then the experiment was divided into three parts , step by step, in-depth study based on the principle photoisomerization femtosecond laser micro- nanofabrication technologies . First, the use of two-beam interferometer the DOPO-PPV film the surface patterned , grating structure ; then try laser direct writing technology processing solution ; final system ideal two - dimensional wave band in the solid state thin film processing sheet structures and three - dimensional step structure . Characterization of material properties and femtosecond laser processing results , and corresponding device performance test results show that the DPO-PPV - based materials photoisomerization femtosecond laser micro- nanofabrication technologies to be able to reach this stage fly second laser micro - nanofabrication technology level , the method is feasible , and is expected to be applied in high luminous intensity of electro-optical components , smart micro-and nano- components .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Photonics technology,laser technology > Laser technology, the maser > Laser applications
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