Nd3+∶Y0.5Gd0.5VO4晶体光谱特性
Spectral Properties of Nd3+∶Y0.5Gd0.5VO4 Crystal

张连翰 ¹ 杭寅 ² 孙敦陆 ¹ 钱小波 ² 李世锋 ³ 殷绍唐 ¹

文摘	测量了0.8 at.-% Nd3+∶Y0.5Gd0.5VO4的吸收光谱和荧光发射谱,光谱显示该晶体在808.5 nm有很强的偏振光吸收峰,且π偏振光(E∥C)吸收远强于σ偏振光(E⊥C)吸收,半高宽度分别为4.5 nm和12 nm,吸收截面分别为19.69×10-20 cm2和6.41×10-20 cm2;其荧光发射( 4F3/2→ 4I11/2跃迁)峰值波长在1064 nm,半高宽度为3.7 nm; 4F3/2→ 4I11/2跃迁的荧光寿命为110 μs;光谱特性表明Nd3+∶Y0.5Gd0.5VO4晶体是潜在的高效率激光晶体材料.
其他语种文摘	In this paper, the absorption spectrum and the fluorescence (or emission) spectrum of the Nd~(3+)Y_(0.5)Gd_(0.5)VO_4 crystal were measured; Its strong absorption wavelength is at 808. 5 nm; Itsπ polarized absorption is stronger than itsσ polarized absorption and their FWHM are 4. 5 nm and 8. 5 nm, respectively, their absorption cross section are 19. 69 X 10~(-20) cm~2 and 6. 41 X 10~(20) cm~2, respectively; Fluorescence (or emission) spectrum FWHM at 1064 nm is 3.7 nm; Its fluorescence lifetime is 110 ^s (Nd:0. 8 at. -%) ; These properties show that Nd~(3+)Y_(0.5)Gd_(0.5)VO_4 crystal is a kind of potential efficient laser material.
来源	中国激光 ,2004,31(3):339-341 【核心库】
关键词	光谱分析 ; Nd3+∶Y0.5Gd0.5VO4晶体 ; 吸收光谱 ; 荧光发射谱 ; 荧光寿命
地址	1. 中国科学院安徽光学精密机械研究所, 安徽, 合肥, 230031 2. 中国科学院上海光学精密机械研究所, 上海, 201800 3. 昆山上光富晶光电材料有限公司, 江苏, 昆山, 215316
语种	中文
文献类型	研究性论文
ISSN	0258-7025
学科	晶体学;电子技术、通信技术
文献收藏号	CSCD:1611236