Nd:YAG Q-modulated pulse laser micro-hole experimental study - 文章详情页

作者：

Feng, Chi (Feng, Chi.) | Li, Qiang (Li, Qiang.) (学者：李强) | Jiang, Meng-Hua (Jiang, Meng-Hua.) | Wang, Bao-Hua (Wang, Bao-Hua.)

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摘要：

The　purpose　of　this　paper　is　researching　about　high-power　and　high　beam　quality　laser　as　well　as　the　experiment　of　the　high-quality　micro-hole.　The　theoretical　analysis　of　the　plane-convex　unstable　laser　resonator　structure　is　introduced.　The　parameter　about　resonator　is　analyzed.　The　high-power　and　high　beam　quality　pulsed　Nd:YAG　laser　with　the　plane-convex　unstable　laser　resonator　pumped　by　lamp　is　designed.　The　output　of　laser　pulse　energy　is　500　mJ;　the　peak　power　is　5　MW.　The　beam　parameter　product　(BPP)　is　superior　to　4.2　mm·mrad.　Using　the　laser　for　drilling　processing　experiment　on　metal　(steel　material)　with　different　thickness　from　0.04　mm　to　0.07　mm　and　non-metal　(ceramics　material)　with　1　mm　thickness　is　achieved.

关键词：

Beam quality Ceramic materials Infill drilling Laser materials processing Laser resonators Neodymium lasers Optical pumping Pulsed lasers Resonators Yttrium aluminum garnet

作者机构：

[ 1 ] [Feng, Chi]Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Li, Qiang]Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Jiang, Meng-Hua]Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Wang, Bao-Hua]Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China

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