Title page for etd-0701117-131636


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URN etd-0701117-131636
Author Tsung-Yueh Jiang
Author's Email Address No Public.
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Department Materials and Optoelectronic Science
Year 2016
Semester 2
Degree Master
Type of Document
Language zh-TW.Big5 Chinese
Title Research on the Crystal Growth and Laser Performances of Highly-doped Nd:Y3Al5O12 Single Crystal by Czochralski Technique
Date of Defense 2017-07-20
Page Count 59
Keyword
  • double end-pumped laser
  • side-pumped laser
  • Czochralski technique
  • laser crystal
  • Nd:YAG
  • Abstract Nd:Y3Al5O12 (Nd:YAG) single crystal is the most commonly used laser crystal. In this thesis, highly-doped (Nd-doped concentrations = 1.5-4%) Nd:YAG crystals are grown by Czochralski (CZ) pulling technique under nitrogen atmosphere with crystal diameter Dc = 50 mm. Side-pump and double end-pump laser systems are used to measure the slope efficiency of laser crystal. The crystal structure is confirmed through X-ray diffraction analysis (XRD). By using X-ray photoelectron spectroscopy (XPS), the segregation phenomenon is observed. Finally, Ultraviolet/Visible Spectroscopy shows that Nd:YAG crystal with higher Nd-doped concentration has better absorption and less transmission of light, which leads to a better laser performance.
    Advisory Committee
  • Da-Ren Hang - chair
  • Chao-Kuei Lee - co-chair
  • Yi-Jen Chiu - co-chair
  • Ming-Chi Chou - advisor
  • Files
  • etd-0701117-131636.pdf
  • Indicate in-campus at 5 year and off-campus access at 5 year.
    Date of Submission 2017-08-17

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