کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7906443 | 1510754 | 2018 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Float zone growth and spectroscopic properties of Yb:CaYAlO4 single crystal for ultra-short pulse lasers
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Float zone growth and spectroscopic properties of Yb:CaYAlO4 single crystal for ultra-short pulse lasers Float zone growth and spectroscopic properties of Yb:CaYAlO4 single crystal for ultra-short pulse lasers](/preview/png/7906443.png)
چکیده انگلیسی
Yb:CaYAlO4 single crystals were grown by the floating zone method and their spectral properties were investigated. Void formation was effectively suppressed by using a feed rod of Y-rich composition with the aid of a double zone-pass technique. For the oxygen excess composition of Yb:Ca0.9925Y1.0075AlO4.00375, a void-free crystal was obtained by performing only the double zone-pass. On the other hand, for cation-deficient type of Yb:Ca0.9925Y1.005AlO4, void-free crystal could not be obtained by performing the double zone-pass. The void formation is attributable to the constitutional supercooling caused by segregation of main constituents of Y and Ca, and the congruent composition may exist in the Y-rich region with existence of interstitial excess oxide ions. The absorption cross section for Ï-polarization was slightly larger than that for Ï-polarization, which is reasonable on the basis of the crystal structure of CaYAlO4.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optical Materials - Volume 80, June 2018, Pages 57-61
Journal: Optical Materials - Volume 80, June 2018, Pages 57-61
نویسندگان
Moe Narita, Mikio Higuchi, Takayo Ogawa, Satoshi Wada, Akira Miura, Kiyoharu Tadanaga,