Nd：YVO4激光晶体对808nm附近光的吸收特性

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Nd：YVO4激光晶体对808nm附近光的吸收特性
Optical absorption properties for Nd：YVO4  laser crystals near 808 nm wavelength
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作　　者：李建宏[1,2,3] 王淑华[1] 聂奕[2] 王世武[2] 滕冰[1,3] 钟德高[1,3]
LI dian-hong, WANG Shu-hua, NIE Yi, WANG Shi-wu, TENG Bing, ZHONG De-gao（ 1 College of Physical Science, Qingdao University, Qingdao 266071, China 2 CRYSTECH Inc., Qingdao 266107, China 3 Key Laboratory of Photonics Materials and Technology, Universities of Shandong, Qingdao University, Qingdao 266071, China ）
机构地区：[1]青岛大学物理科学学院,山东青岛266071 [2]青岛海泰光电技术有限公司,山东青岛266107 [3]青岛大学山东省高校光子学材料与技术重点实验室,山东青岛266071
出　　处：《量子电子学报》 CSCD 2014年第31卷第2期 154-159页,共6页
Chinese Journal of Quantum Electronics
基　　金：Foundation item： National Natural Science Foundation of China（10979029, 51172111, 11204148）, National Engineering Research Center for Optoelectronlc Crystalline Materials（2007K08）
摘　　要：研究了Nd：YVO4激光晶体对808nm附近光的吸收，定量给出了不同激活粒子浓度与其吸收808nm光的关系。在测试晶体透过率基础上，通过计算，给出了Nd：YV04晶体808nm波长光的吸收系数。实验得出了在确定浓度和长度的情况下，晶体对808nm泵浦光吸收系数是一个不与泵浦源功率相关的确定值。计算了丌和盯两偏振吸收，比较出它们之间的关系。
The light absorption properties of Nd：YVO4 laser crystals at 808 nm were studied. The relationship between doped concentration and absorption coefficients was measured and calculated. Based on the transmission test, the absorption coefficients of Nd：YVO4 crystals were calculated. It is a determined value which is irrelevant to the pump power under the conditions of certain concentration and length of the crystal. The polarized 7r and a absorption were calculated and the relationship between them was compared
关键词：光谱学 Nd YV04晶体 吸收系数 偏振吸收 激活离子浓度
spectroscopy ; Nd：YVO4 crystal ; absorption coefficient ; polarized absorption ; activated ion concentration ;