Infrared and Laser Engineering, Volume. 52, Issue 8, 20230420(2023)
Review of multi-wavelength laser technology based on crystalline Raman conversion (invited)
Figures & Tables(11)
Fig. 4. Schematic diagram of typical Raman lasr oscillator structure. (a) External cavity; (b) Intracavity; (c) Self-Raman
Fig. 5. Schematic diagram of a multi-wavelength Raman laser in BaWO4[99]
Fig. 6. Schematic diagram of a hundred-watt diamond Raman laser[24]
Fig. 7. Schematic diagram of diamond Raman laser, illustrated with IC/OC spectrogram[119]
Fig. 9. Schematic diagram of a Nd:GdVO4/Cr4+:YAG/YVO4 microchip laser[126]
Table 1. Properties of typical Raman crystals at room temperature
View tableView in ArticleTable 1. Properties of typical Raman crystals at room temperature
Material Frequency shift/ cm−1 Raman gain coefficient/ cm·GW−1 Thermal conductivity/ W·m−1·K−1 Thermal expansion/ ×10−6 K−1 Transmission range/ μm Diamond 1332.3 ~15 2 000 1.1 >0.23 Ba(NO3)2 1047.3 11 1.17 13 0.35-1.8 BaWO4 924/332 8.5 3 - 0.25-5.1 SrWO4 921 5.0 2.9 - 0.3-2.7 KGW 89/901/768 3.5 2.6 4.0 0.34-5.5 YVO4 259/376/816/838/890 4.5 5.2 4.43 0.4-5.0 GdVO4 885 4.5 10.5 1.5 0.35-5.0 LiIO3 822/770 4.8 4 28 0.31-4.0 KY(WO4)2 905/765 3.6 3.3 1.83 0.35-5.5 Silicon 521 - 153 3 >1.1
Table 2. Research status of multi-wavelength Raman laser
View tableView in ArticleTable 2. Research status of multi-wavelength Raman laser
Year Cavity type Cavity structure Pumping method Pump wavelength Raman crystal Output wavelength Output power Ref. *Peak power 2012 Intracavity Linear cavity Pulsed 808 nm BaWO4 1180 nm 1325 nm 8.30 W 2.84 W [ 99 ]2012 Intracavity Linear cavity Pulsed 808 nm KTP/KTA 1091 nm 1095 nm 170 mW 150 mW [ 100 ]2014 Intracavity Linear cavity Pulsed 808 nm BaWO4 1240 nm 1376 nm 869 mW 512 mW [ 101 ]2014 External cavity Linear cavity Pulsed 1064 nm Diamond 1240+1485 nm 14.5 W [ 111 ]2015 Intracavity Linear cavity Pulsed 808 nm KTP/KTA 1478 nm 1503 nm 117 mW 389 mW [ 102 ]2016 Intracavity Linear cavity Pulsed 976 nm KGW 1133+1156 nm 1137+1151 nm 155 mW 154 mW [ 103 ]2020 Intracavity Linear cavity Pulsed 808 nm KGW 1470+1490 nm 1461+1499 nm 2.6 W 2.4 W [ 104 ]2020 Intracavity Linear cavity Pulsed 804 nm YVO4 539.9+567.2+597.4+ 631.0+668.5 nm 800,340,460, 190,326 mW [ 105 ]2020 Intracavity Linear cavity CW 879 nm BaWO4+YVO4 1103.6+1175.9+1180.7+ 1145.7 +1228.9 nm 1.24 W (MAX) [ 106 ]2021 External cavity Linear cavity QCW 1064 nm Diamond 1240 nm 1485 nm 72 W 110 W [ 24 ]2023 External cavity Linear cavity Pulsed 532 nm Diamond 620 nm 676 nm 743 nm 12.5 kW* 40.8 kW* 17.4 kW* 2010 External cavity Z-fold CW 1064 nm KGW 559 nm 589 nm 2.5 W 1.4 W [ 122 ]2014 External cavity Ring-cavity Pulsed 1064 nm Diamond 1240 nm 1485 nm 2.75 W 1.0 W [ 118 ]2020 External cavity Ring-cavity CW 845-930 nm Diamond 965 nm 1101 nm 400 mW 364 mW [ 119 ]2021 External cavity Ring-cavity Pulsed 1063 nm Pb(MoO4)0.2 (WO4)0.8 1128 nm 1360 nm watt level [ 121 ]2018 External cavity Z-fold CW 808 nm KGW 1.32 μm 1.50 μm 1.73 μm 6.1 W 1.1 W 1.1 W [ 125 ]2016 Intracavity Microcavity CW 808 nm Nd:YVO4 1.05 μm 1.08 μm 260 mW [ 35 ]2019 Intracavity Microcavity Pulsed 880 nm YVO4 1164 nm 1175 nm 40 mW [ 126 ]
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Zhiwei Lv, Zhongze Liu, Hui Chen, Duo Jin, Xin Hao, Wenqiang Fan, Yulei Wang, Zhenxu Bai. Review of multi-wavelength laser technology based on crystalline Raman conversion (invited)[J]. Infrared and Laser Engineering, 2023, 52(8): 20230420
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Received: Jul. 7, 2023
Accepted: --
Published Online: Oct. 19, 2023
The Author Email: Bai Zhenxu (zxbai@hebut.edu.cn)
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