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作者:

Zang, Jingcun (Zang, Jingcun.) | Zou, Yulin (Zou, Yulin.) | Song, Yanrong (Song, Yanrong.) (学者:宋晏蓉)

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摘要:

Nd3+:Y3Al5O12 (Nd:YAG) laser crystal doped 1.2% in mole Nd3+ was grown by the Czochralski method. The absorption spectrum from 300 to 3000 nm of Nd:YAG crystal and its fluorescence spectra by excitation with an 808 nm laser were measured at room temperature. The positions of the Stark energy levels of the Nd3+ ion in the Nd:YAG crystal were corrected. The results show that the 1.3m wavelength laser of the Nd:YAG crystal has 'eye safe' characteristics and low atmospheric absorption, and can be applied in optical communication, remote sensing (lidar) or surgery. The 473 nm blue laser propagated corresponding to a 4F3/2 → 4I9/2 transition with 946 nm light by second harmonic frequency generation (SHG) can be applied for high density optical storage and printing colored laser displays. The 561 nm yellow laser propagating a 4F3/2 → 4I9/2 transition with 1122 nm light by SHG can be used for a light source of biomicroscopes.

关键词:

Absorption spectroscopy Crystals Electron energy levels Fluorescence Harmonic generation Laser excitation Laser surgery Neodymium lasers Optical communication Optical radar Remote sensing Yttrium aluminum garnet

作者机构:

  • [ 1 ] [Zang, Jingcun]College of Materials Science and Engineering, Beijing 100022, China
  • [ 2 ] [Zou, Yulin]College of Materials Science and Engineering, Beijing 100022, China
  • [ 3 ] [Song, Yanrong]College of Applied Science, Beijing University of Technology, Beijing 100022, China

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来源 :

Journal of the Chinese Ceramic Society

ISSN: 0454-5648

年份: 2009

期: 8

卷: 37

页码: 1338-1343,1350

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