27 μm dual-wavelength laser performance of LD end-pumped Er:YAP crystal | Zendy

Cong Quan | Zendy; Dunlu Sun | Zendy; Jianqiao Luo | Zendy; Huili Zhang | Zendy; Zhongqing Fang | Zendy; Xuyao Zhao | Zendy; Lunzhen Hu | Zendy; Maojie Cheng | Zendy; Qingli Zhang | Zendy; Shaotang Yin | Zendy

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27 μm dual-wavelength laser performance of LD end-pumped Er:YAP crystal

Author(s) -

Cong Quan,

Dunlu Sun,

Jianqiao Luo,

Huili Zhang,

Zhongqing Fang,

Xuyao Zhao,

Lunzhen Hu,

Maojie Cheng,

Qingli Zhang,

Shaotang Yin

Publication year - 2018

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.26.028421

Subject(s) - optics , laser , materials science , slope efficiency , laser beam quality , wavelength , crystal (programming language) , diode , laser diode , optoelectronics , laser beams , fiber laser , physics , computer science , programming language

We demonstrate a laser diode (LD) end-pumped Er:YAP laser with dual-wavelength outputs of 2710 and 2728 nm. The maximum average powers of 739 and 738 mW are achieved in the continuous wave (CW) and pulse modes, which corresponds to optical-to-optical efficiencies of 10.1% and 12.3%, and the slope efficiencies of 12.1% and 13.8%, respectively. In addition, a comparison of laser performance on differently sized crystals indicates that the 1 × 1 × 5 mm 3 Er:YAP crystal has a best cooling efficiency. This helps to decrease the thermal lensing effect, which contributes to improving laser efficiency and beam quality.

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