首页> 中文期刊> 《中国物理快报:英文版》 >Formation of Infrared Femtosecond Laser Induced Colour Centres in Tb3+-Doped and Tb3+/Ce3+-Codoped Heavy Germanate Glasses

Formation of Infrared Femtosecond Laser Induced Colour Centres in Tb3+-Doped and Tb3+/Ce3+-Codoped Heavy Germanate Glasses

         

摘要

The formation of infrared femtosecond laser induced colour centres was observed in Tb3+-doped and Tb3+ /Ce3+-codoped heavy germanate glasses.A rectangular scan was made by focusing the laser beam inside the glass samples.A three-dimensional yellowish block was created from the path and it corresponded to the appearance of broad absorption bands in the absorption spectra.The irradiation induced absorption coefficient μ(λ)was used to characterize the distribution of radiation induced colour centres in the samples,whose peak was located at 380nm and extended to the longer wavelength.Ce3+ ions were found not only to inhibit the formation of colour centres,but also to enhance the recovery.

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  • 来源
    《中国物理快报:英文版》 |2003年第11期|1997-2000|共4页
  • 作者单位

    Department of Inorganic Materials,East China University of Science and Technology,Shanghai 200237;

    Division of Material Chemistry,Faculty of Engineering,Kyoto University,Sakyo,Kyoto,606-8501,Japan;

    Department of Inorganic Materials,East China University of Science and Technology,Shanghai 200237;

    Photon Craft Project,Japan Science and Technology Corporation,Keihanna Plaza,Kyoto 619-0237,Japan;

    Photon Craft Project,Japan Science and Technology Corporation,Keihanna Plaza,Kyoto 619-0237,Japan;

    Division of Material Chemistry,Faculty of Engineering,Kyoto University,Sakyo,Kyoto,606-8501,Japan;

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