Study on process of marking twodimensional codes on air circuit breakers by UV laser

Yuwen, 吴煜文 Wu; Liang, 郭亮 Guo; Qingmao, 张庆茂 Zhang; Qitao, 吕启涛 Lü; Chao, 张超 Zhang

doi:10.3788/hplpb20122406.1329

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2016

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“…UV laser is widely being used in fine and precise laser machining [1][2]. Currently, the output power of UV laser generator, whose cavity is cooled by air, is not over 10W due to the poor thermal dissipation of laser cavity, so water-cooled system is needed in the laser cavity of high power [3].…”

Section: Introductionmentioning

confidence: 99%

12W UV laser based on Air-cooled Double-end-pumped Intra-cavity

Zhou¹,

Zhao²,

Zhou³

et al. 2016

Proceedings of the 2016 3rd International Conference on Mechatronics and Information Technology

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12W UV laser generator is developed as a second harmonic generator and a third harmonic generator, in which a folded resonance cavity is composed of two laser diode side-pumped Nd:YAG modules, an electro-optic Q-switch, two LBO crystals. The air-cooled double-end-pumped Intra-cavity is studied and designed, the laser wavelength is 355nm, its maximum output power is 12.34W at repetition rate of 15kHz.The corresponding pulse width is 12ns. And the optical-optical efficiency of the fundamental laser is about 41%.

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Section: Introductionmentioning

confidence: 99%