中国激光, 2017, 44 (11): 1101004, 网络出版: 2017-11-17   

Nd∶GdVO4和Nd∶YVO4晶体发射截面谱及微片激光器光谱的实验研究 下载: 828次

Experimental Study of Emission Cross Section Spectra and Microchip Laser Spectra of Nd∶GdVO4 and Nd∶YVO4 Crystals
作者单位
1 杭州电子科技大学通信工程学院, 浙江 杭州 310018
2 上海交通大学区域光纤通信网与新型光通信系统国家重点实验室, 上海 200240
摘要
实验研究了Nd∶GdVO4和Nd∶YVO4晶体发射截面谱的温度特性, 并根据发射截面谱与激光波长的对应关系, 进一步研究了温度对Nd∶GdVO4和Nd∶YVO4双频微片激光器输出光谱的影响。实验结果表明, 在所研究的温度范围内, 随着温度的升高, Nd∶GdVO4和Nd∶YVO4晶体发射截面谱的中心波长发生红移、峰值下降, 且均与温度呈准线性关系; 对应的双频微片激光器波长也随温度升高呈现线性红移, 但双频频差保持不变; 在晶体发射截面谱和激光波长的共同红移作用下, 双频激光分量的功率均衡度发生变化。
Abstract
The temperature characteristics of emission-cross section spectra of Nd∶GdVO4 and Nd∶YVO4 crystals are studied experimentally. According to the relationship between the emission cross section spectra and the laser wavelength, the influence of temperature on the output spectra of Nd∶GdVO4 and Nd∶YVO4 dual-frequency microchip laser wavelengths is further investigated. The experimental results show that, in the studied temperature range, the central wavelength of the emission-cross section spectra of Nd∶GdVO4 and Nd∶YVO4 crystals shows red-shift and the peak decline. Both of them are linearly related to the temperature. The wavelength of the corresponding dual-frequency microchip laser also shows a linear red shift with temperature increasing, but the double frequency difference remains unchanged. The power balance of the dual-frequency laser changes with the common red-shift of the crystal emission cross section spectrum and the laser wavelength.

蔡美伶, 胡淼, 戴荣, 陈松, 李齐良, 周雪芳, 魏一振, 卢旸, 毕美华. Nd∶GdVO4和Nd∶YVO4晶体发射截面谱及微片激光器光谱的实验研究[J]. 中国激光, 2017, 44(11): 1101004. Cai Meiling, Hu Miao, Dai Rong, Chen Song, Li Qiliang, Zhou Xuefang, Wei Yizhen, Lu Yang, Bi Meihua. Experimental Study of Emission Cross Section Spectra and Microchip Laser Spectra of Nd∶GdVO4 and Nd∶YVO4 Crystals[J]. Chinese Journal of Lasers, 2017, 44(11): 1101004.

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