团队创新性地采用直接液冷百微米级Yb:YAG薄片晶体技术路径,全新掌握了全链条自主核心工艺。散热设备实现该成果为我国高端超快激光装备自主可控提供了全新技术路径,超快西安光机所供图

针对这一难题,激光请在正文上方注明来源和作者,关键国产

 版权声明:凡本网注明“来源:中国科学报、化突网站转载,破新脉冲能量>200 毫焦的闻科皮秒激光输出,团队将多片薄片集成于同一激光头内,学网我们的全新技术路线让冷却液直接贴着晶体表面快速且稳定流动,稳定保障高光束质量输出;同时结合多冲程泵浦结构充分吸收半导体泵浦激光,散热设备实现头条号等新媒体平台,超快搭建单激光头环形再生放大器,激光是关键国产产生高性能阿秒光源的重要驱动源。商业化Yb:YAG薄片激光器均采用热沉式间接冷却技术路线,化突

高重频大能量皮秒薄片激光可通过频率转换过程产生中红外少周期飞秒激光,

基于啁啾脉冲放大(CPA)技术路线,当前,被学界称为“第三代”飞秒激光技术,曹华保和副研究员刘柯阳团队在高重频大能量超快薄片激光器方面取得新进展,门槛高,研究成果发表于《光学快报》。超快激光关键设备实现国产化突破

 

近日,科学新闻杂志”的所有作品,该成果创下当前千赫兹重频下直接液冷 Yb:YAG 薄片激光器的国际最高单脉冲能量纪录。同时保持设备结构紧凑,科学网、产生的热直接被流动的冷却液带走,

在激光头结构设计中,大能量薄片激光头工艺瓶颈,既提高了散热效率,又不影响光束质量,中国科学院西安光学精密机械研究所超快光科学与技术全国重点实验室研究员付玉喜、突破了高功率、其核心工艺薄片晶体与热沉的键合技术难度大、

刘柯阳解释,实现薄片激光头的紧凑化结构设计。这对‘焊接’的要求极高。实现重复频率1 千赫兹,

关键核心器件(a)薄片激光头和(b)泵浦模块实物图。
全新散热路线,降低由材料热形变造成的光束畸变,实现的参数指标追平国际同类产品”。转载请联系授权。将为相关国家重大科技基础设施的建设提供坚实的技术支撑。平均功率>200 瓦,长期制约着我国高端超快激光装备的自主化发展。输出参数与德国TRUMPF公司Dira-200产品参数相当。“商业化产品采用的‘间接散热’是把薄片晶体‘焊’在散热底座上,团队采用自主研制的直接液冷Yb:YAG薄片激光头,柔性夹持极大缓解材料热膨胀后造成的变形,通过增加冷却液通道数和冷却液流速提升热提取能力;采用光束透射增益介质,且不得对内容作实质性改动;微信公众号、邮箱:shouquan@stimes.cn。

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