中国科学院上海光学精密机械研究所(简称:上海光机所)成立于1964年5月,是我国建立最早、规模最大的激光科学技术专业研究所。发展至今,已形成以探索现代光学重大基础及应用基础前沿、发展大型激光工程技术并开拓激光与光电子高技术应用为重点的综合性研究所。研究...
截至2023年12月,上海光机所在职职工1042人(其中高级专业技术人员530人),博士后114人。包括:两院院士7人(其中发展中国家科学院院士3人)、中国科学院外籍院士1人,国家重点研发计划首席科学家9位、国家重大专项副总设计师2人、国家重大专项总体专家组成员9人、全国创新争先奖状2人、何梁何利基金科学与技术进步奖1人、中国青年科技奖(特别奖)1人、国家杰出青年基金获得者7人、国家优秀青年基金获得者4人、1个团队连续获得2项国家基金委创新研究群体支持、国家特支计划领军人才入选者6人、国家特支计划青年拔尖人才入选者5人……
中国科学院上海光学精密机械研究所(简称:上海光机所)是我国建立最早、规模最大的激光专业研究所,成立于1964年,现已发展成为以探索现代光学重大基础及应用基础前沿研究、发展大型激光工程技术并开拓激光与光电子高技术应用为重点的综合性研究所。重...
上海光机所国际合作工作始终围绕上海光机所的主责主业,以服务重大任务和国家需求为牵引,强化目标导向,注重内外集成协同,加强重大国际合作任务的谋划。坚持“战略布局,需求牵引,技术引领,合作共赢”的原则,基于科技部授予的国家国际科技合作基地及本单位学科技术优势,围绕“一带一路”国家倡议,深化拓展与发达国家实质性合作,夯实海外机构建设,积极培育和发起国际大科学计划,加强国际组织任职推荐,组织相关国际会议等,汇聚各类国际人才,建立以“平台-人才-项目-组织”合作模式,融入全球创新合作网络,助力上海光机所成为国际一流科研机构。上海光机所国际合作一直得到所领导的高度重视,历届所长亲自主管国际合作。1972年,上海光机所接待诺贝尔奖的美籍华裔科学家杨振宁,标志着我所第一次对外开放。2007年,被科技部首批授予“科技部国际科技合作基地”。2016年,科技部首次对全国2006-2008年间认定的113家国际合作基地进行了评估,上海光机所获评“优秀”。2021年,科技部首次对全国719家国际合作基地进行了评估,上海光机所持续获评“ 优秀”。王岐山副主席到上海光机所视察时,对上海光机所近几年取得的系列科技成果,以及重大国际合作项目“中以高功...
作为我国建立最早、规模最大的激光科学技术专业研究所,和首批上海市科普教育基地之一,中国科学院上海光学精密机械研究所(简称:上海光机所)在致力于科技创新的同时,十分重视科普工作。多年来,上海光机所借助科研院所强大的科普资源优势,围绕光学与激光科学技术,积极开展公众开放日、科普讲座、科技课堂、科普作品创...
光纤激光器、固体激光器特邀学术报告
Workshop on Fiber Laser and Solid-state Laser
时间:8:30am, 2012-3-13
地点:缘源溢智厅
8:30am-9:30am
My 40-years Challenge to High Power Lasers, Past, Today, and Tomorrow
Ueda Ken-ichi, Professor and Director
Institute for Laser Science, University of Electro-Communications, Japan
Brief history of my works on high power lasers is reviewed. I discovered laser physics and tecyhnology last 40 years through big sciences like IFE program, gravitational wave detection, laser for particle accelerators and others. Future of high power fiber lasers and ceramic lasers will be reviewed. My history covers experiences on Nd-doped POCl3 liquid lasers, glass lasers, ceramic lasers, e-beam pumped KrF lasers, ultrastabilized solid state laser for GW detection, ultra-low-loss mirrors, high power fiber laser technology, coherent beam combining and so on. There is a lot of fun in laser sceince and technology
Professor Ken-ichi Ueda has pioneered and established various lasers, such as excimer lasers for fusion, frequency-stabilized lasers for gravitational wave detection, high-power ceramic lasers and fiber lasers, and so on. Since 1990's he has developed ceramic lasers, that are now widely recognized to be superior to single crystal lasers and called "revolution" in solid-state laser engineering. This Japan-original technology enables various new laser architectures, including a practical design for fusion power production. He proposed a new concept of side-pumped fiber disk laser and demonstrated the first kW fiber laser in the world, which is being applied in many industrial applications such as laser processing. He covers widely over laser sciences/technologies and has presented the directions. He is working as a chair of International Council on Quantum Electronics (ICQE), a corresponding member of Science Council of Japan, a board member of the Physical Society of Japan and Optical Society of Japan, and so on.
9:30am-10:10am
Photonic bandgap and multicore fiber lasers for next-generation lasers
Akira Shirakawa
Institute for Laser Science, University of Electro-Communications, Japan
Fiber laser is now widely recognized as the most reliable high average power source with a diffraction-limit beam quality. However, the huge gain and nonlinearities due to the rather small mode area and long interaction length make generations of specific wavelength radiation and high peak-power/high energy radiation so difficult that applications have been limited. Our research focuses on new fiber lasers to overcome these problems.
We are investigating photonic bandgap fibers (PBGFs), in which core guidance is obtained only at specific wavelengths determined by the fine structure in the cladding, for gain profile engineering. By inhibiting amplified spontaneous emission (ASE) at high-gain wavelengths, high-power operation becomes possible at previously inaccessible wavelengths. We have succeeded in ASE-free, high-efficiency 1178 nm amplification with >160 W of output power in the long-wavelength wing of the Yb gain band. High-power orange generation at 589 nm was also demonstrated for laser guide star applications. We are also targeting high peak-power pulsed fiber lasers by suppressing fiber nonlinearities such as stimulated Raman scattering by PBGFs.
For peak-power/energy scaling, we have been investigating fiber laser coherent arrays, in which multiple fiber lasers are phase-locked and their beams are combined. We have developed the scaling limit of a passive coherent array formed with discrete fiber lasers, and are now exploring phase-locked multicore fiber lasers in which multiple gain cores are built in a single fiber format. We recently proposed and demonstrated a monolithic, all-fiber phase-locking method by end-sealing a multicore photonic crystal fiber. The in-phase mode can have the lowest threshold at a specific sealed length by self-imaging. In-phase mode oscillation with >80% slope efficiency has been realized.
Akira Shirakawa received a PhD degree in Physics from University of Tokyo, Japan in 1999. He joined Institute for Laser Science, University of Electro-Communications, Japan in 1999 and is the associate professor leading the fiber and solid-state laser group. He was a guest researcher at Optoelectronics Research Centre, University of Southampton, UK from 2007 to 2008. His current research interests concern high power fiber and ceramic lasers, ultrashort pulse generation, laser beam combination, and nonlinear optics. He has authored or coauthored over 100 scientific journal publications in these fields. He is on the technical program committees of CLEO, CLEO-Europe, CLEO-Pacific Rim, ASSP, OECC, SOF, Photonics West-LASE, and Photonics Europe.
10:20am-10:40am
High power solid-core photonic bandgap fiber laser at 1178 nm
Xinyan Fan
Institute for Laser Science, University of Electro-Communications, Japan
Yb-doped fiber lasers operating at the long wavelength edge of the gain band (1150-1200 nm) is challenging since small gain and serious amplified spontaneous emission ASE and parasitic lasing. Photonic bandgap fibers (PBGFs) can inhibit ASE at the large gain between 1030-1100 nm by the bandgap. We have succeeded in 1178 nm all-fiber Yb-PBGF oscillator with 53.6 W output power and 53% slope efficiency. ASE and parasitic lasing in high-gain wavelength is effectively suppressed.
Xinyan Fan received the B.S. degree in communication engineering from Jilin University in 2003, the M.S. degree in condensed matter physics from Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences in 2006 and the PhD degree in physical electronics from Harbin Institute of Technology in 2010. She has been a postdoctor in Institute for Laser Science, University of Electro-Communications, Japan since 2010.7 and has been working on high power photonic bandgap fiber laser.
10:50am-11:20am
Development of Passively Q switched Microchip Laser
Jun Dong, Professor
Department of Electronic Engineering,, Xiamen University
We reported the fabrication of transparent ceramics laser materials and investigation of optical properties and nonlinear phenomena of solid-state laser materials and laser performance of laser-diode pumped solid-state lasers and amplifiers. The investigation of polarization states in cw Yb:YAG microchip lasers and passively Q-switched solid-state lasers with Cr4+:YAG as storable absorber has been done recently. Nonlinear phenomena in microchip lasers such as transverse patterns formation in Cr,Nd:YAG microchip lasers and nonlinear stabilities in passively Q-switched solid-state lasers have been studied.
11:20-11:50am
High power composite structure solid-state lasers with ultra-high thermal conductivity
Jianqiu Xu, Professor
Key Laboratory for Laser Plasmas and Department of Physics, Shanghai JiaoTong University
We will introduce a composite structure solid-state lasers which fabricated by SiC/Nd:YVO3 crystal. The laser structure results to ultra-high effective thermal conductivity, so that we can develop 100-W average power without water cooling. Furthermore, we also developed integrated laser modulate, in which the pumped diode and the solid-state active medium are built in single SiC chip. This very compacted, light laser module can provide 3-W average power with total weight of 80 g. The potential of this structure to kW level is discussed.
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