Infrared and Laser Engineering, Volume. 50, Issue 12, 20210685(2021)
Hundred-watt dual-wavelength diamond Raman laser at 1.2 /1.5 μm （Invited)
Figures & Tables(6)
Fig. 1. Atmospheric absorption bands and the particles responsible for the absorption
Fig. 2. Thermal gradient of diamond crystal. (a) 1 s continuous pumping; (b) 250 μs pulse width pumping at 40 Hz repetition rate
Fig. 4. Relationship between output Raman laser power and pump laser power
Fig. 5. Laser spectrogram of the (a) pump light, (b) 1.2 μm and (c) 1.5 μm (Insets: near-field beam profile)
Table 1. Comparison of properties of common Raman crystals and silica fiber
View tableView in ArticleTable 1. Comparison of properties of common Raman crystals and silica fiber
Raman gain media Thermal conductivity/ W·m−1·K−1 Raman gain coefficient @1 μm /cm·GW−1 Raman shift/ cm−1 Raman linewidth/ cm−1 Spectral transmission/ μm Diamond 2 000 10-12 1 332.5 2 > 0.23 YVO4 5.2 4.5 890 3.0 0.4-5 KGd(WO4)2 2.6(a),3.8(b),3.4(c) 3.5 767, 901.5 7.8, 5.9 0.34-5.5 Ba(NO3)2 1.17 11 1 047.6 0.4 0.35-1.8 CaWO4 16 3.0 908 4.8 0.2-5.3 GdVO4 10.5 >4.5 885 3.0 0.35-5 BaWO4 3.0 8.5 926 1.6 0.26-3.7 Silica fiber 1.38 9.4×10−3 440 1 333 0.38-2.1
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Zhenxu Bai, Hui Chen, Zhanpeng Zhang, Kun Wang, Jie Ding, Yaoyao Qi, Bingzheng Yan, Sensen Li, Xiusheng Yan, Yulei Wang, Zhiwei Lv. Hundred-watt dual-wavelength diamond Raman laser at 1.2 /1.5 μm （Invited)[J]. Infrared and Laser Engineering, 2021, 50(12): 20210685
Paper Information
Category: Lasers & Laser optics
Received: Jun. 20, 2021
Accepted: --
Published Online: Feb. 9, 2022
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