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author:

Chen, Xin (Chen, Xin.) [1] | Zhuang, Nai-Feng (Zhuang, Nai-Feng.) [2] (Scholars:庄乃锋) | Hu, Xiao-Lin (Hu, Xiao-Lin.) [3] (Scholars:胡晓琳) | Chen, Jian-Zhong (Chen, Jian-Zhong.) [4] (Scholars:陈建中)

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Abstract:

Nd:Ca10K (VO4)7 crystal that polycrystalline material was synthesized by solid-phase reaction were grown by the Czochralski technique with excellent optical quality, and the dimensions were about 20 mm × 20 mm. The effective segregation coefficients of Nd3+ and K+ ions in the crystal were measured as 1.25 and 0.73, respectively. The thermal expansion coefficients and hardness of Nd:Ca10K (VO4)7 crystal were also measured. The polarized absorption and fluorescence spectra were analyzed based on Judd-Ofelt theory, which exhibits that the π-polarized absorption and stimulated emission cross sections are 5.06 × 10-20 cm2 with an FWHM 11 nm at 810 nm and 1.72 × 10-19 cm2 at 1069 nm, respectively. In addition, the fluorescence concentration quenching of Nd3+ in Nd:Ca10K (VO4)7 crystal is weak. All the results indicate that Nd:Ca10K (VO4)7 crystal may be a candidate for the microchip laser material.

Keyword:

Absorption spectra Calcium compounds Crystal growth from melt Fluorescence spectroscopy Full width at half maximum Hardness Optical materials Polycrystalline materials Rare earth additions Stimulated emission Thermal expansion

Community:

  • [ 1 ] [Chen, Xin]Institute of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
  • [ 2 ] [Zhuang, Nai-Feng]Institute of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
  • [ 3 ] [Hu, Xiao-Lin]Institute of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China
  • [ 4 ] [Chen, Jian-Zhong]Institute of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, China

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Source :

Journal of Synthetic Crystals

ISSN: 1000-985X

CN: 11-2637/O7

Year: 2008

Issue: 2

Volume: 37

Page: 262-267,275

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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