高功率金刚石激光技术研究进展(特邀) |
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引用本文: | 白振旭,杨学宗,陈晖,金舵,丁洁,齐瑶瑶,李森森,闫秀生,王雨雷,吕志伟.高功率金刚石激光技术研究进展(特邀)[J].红外与激光工程,2020,49(12):20201076-1-20201076-13. |
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作者姓名: | 白振旭 杨学宗 陈晖 金舵 丁洁 齐瑶瑶 李森森 闫秀生 王雨雷 吕志伟 |
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作者单位: | 1.河北工业大学 先进激光技术研究中心,天津 300401 |
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基金项目: | 河北省教育厅在读研究生创新能力培养资助项目;国家自然科学基金;河北省自然科学基金;河北省引进留学人员项目;国防科技重点实验室项目;教育部重点实验室基金 |
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摘 要: | 金刚石拥有已知材料中最高的热导率、低的热膨胀系数、高度的化学惰性及优异的光学性能,使其能够在机械、光学和材料学等领域满足诸多极端条件的应用需求。近年来随着化学气相沉积制备工艺的提高,使得人造金刚石的光学品质得到快速提升,光学级的金刚石晶体因此也以其优异的拉曼和布里渊特性表现出优异的功率提升、相干性增强以及频率转换能力,并推动金刚石激光器在极大程度上克服了基于传统工作物质的粒子数反转激光器存在的热效应、以及波长和输出功率难以兼顾的难题。文中总结了高功率金刚石激光技术的研究进展,并对金刚石激光器的发展趋势和应用前景进行了展望。
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关 键 词: | 金刚石 高功率 拉曼激光 布里渊激光 应用 |
收稿时间: | 2020-10-02 |
Research progress of high-power diamond laser technology (Invited) |
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Affiliation: | 1.Center for Advanced Laser Technology, Hebei University of Technology, Tianjin 300401, China2.Hebei Key Laboratory of Advanced Laser Technology and Equipment, Tianjin 300401, China3.MQ Photonics Research Centre, Macquarie University, NSW 2109, Australia4.Science and Technology on Electro-Optical Information Security Control Laboratory, Tianjin 300308, China |
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Abstract: | With the highest thermal conductivity, low thermal expansion coefficient, high chemical inertness, and excellent optical properties among known materials, diamond can meet the application requirements of many extreme conditions in the fields of mechanics, optics, and materials, etc. In recent years, with the improvement of the chemical vapor deposition preparation technology, the optical quality of synthetic diamond has been rapidly improved, which leads to the optical grade diamond crystals excellent power improvement, coherence enhancement, and frequency conversion ability due to their excellent Raman and Brillouin characteristics. Meanwhile, diamond lasers overcome the thermal effect in the particle number inversion laser based on the traditional gain media, and the difficulty to consider both the wavelength and power. The research progress of high-power diamond laser technology was summarized, and the development trend and application of diamond lasers were prospected. |
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