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Yingchen Wu on Muck Rack

Yingchen Wu

As seen in: MDPI, Optica, Reproductive BioMedicine Online
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Articles

High average power (105 W) Fe:ZnSe laser pumped by radiation of laser diode side-pumped Er:YAG lasers

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By Yingchen Wu, Wenlin Dai, Song Zhang, Jiayu Yi
| Optica Verified
A high average power re-frequency operation Fe:ZnSe laser using laser diode side-pumped free-running Er:YAG lasers as activating sources is presented. Two pieces of subsurface layer doped Fe:ZnSe polycrystal are adoptive in a reflective resonator configuration and face-cooled by liquid nitrogen.
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Brazing Temperature Effects on the Microstructure and Mechanical Properties of Ti-45Al-8Nb Joints Using TiZrCuNi Amorphous Interlayer

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By Sheng Wang, Tianle Xu, Yingchen Wu, Xiguo Chen
| MDPI
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
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1.36 J nanosecond laser at 1 kHz repetition based on a slab amplifier chain

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By Liu Xu, Yingchen Wu, Wei Zhang, Chun Yin Tang
| Optica Verified
A high beam quality diode-pumped Nd:YAG master oscillator power-amplifier (MOPA) laser with three end-pumped slab amplifiers is developed. The ${Q}$-swtiched side-pumped rod oscillator presented a pulse energy 3.1 mJ with beam quality factors of ${\rm M}_{\rm x}^2 = {1.17}$ and ${{\rm M}^2_{\rm y}} = {1.15}$ at a repetition of 1 kHz. The MOPA system delivered a pulse energy of 1.36 J with a pulse width of 48.2 ns and an extraction efficiency of 44.8%.
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