Frequency upconversion fluorescence emission of Er3+-doped oxychloride germanate glass


Autoria(s): 孙洪涛; 张丽艳; 张军杰; 戴世勋; 于春雷; 胡丽丽; 姜中宏
Data(s)

2005

Resumo

Frequency upconversion fluorescence property of Er3+-doped oxychloride germanate glass is investigated. Intense green and red emissions centred at 525, 546, and 657nm, corresponding to the transitions H-2(11/2) -> I-4(15/2), S-4(3/2) -> 4I(15/2), and F-4(9/2) -> I-4(15/2), respectively, were simultaneously observed at room temperature. The quadratic dependence of the 525, 546, and 657nm emissions on excitation power indicates that a two-photon absorption process occurs under 975nm laser diode (LD) excitation. The Raman spectrum investigation indicates that oxychloride germanate glass has the maximum phonon energy at similar to 805 cm(-1). The thermal stability of this oxychloride germanate glass is evaluated by differential scanning calorimetry, and thermal stability factor Delta T (Delta T = T-x-T-g) is 187 degrees C. Intense upconversion luminescence and good thermal stability indicate that Er3+-doped oxychloride germanate glass is a promising upconversion laser material.

Identificador

http://ir.siom.ac.cn/handle/181231/5165

http://www.irgrid.ac.cn/handle/1471x/11936

Idioma(s)

英语

Fonte

孙洪涛;张丽艳;张军杰;戴世勋;于春雷;胡丽丽;姜中宏.,Chin. Phys. Lett.,2005,22(4):952-955

Palavras-Chave #LEAD-BISMUTH GLASSES #OPTICAL-TRANSITIONS #RAMAN #IONS
Tipo

期刊论文