Review on Ultrashort Pulse Laser Amplifiers Based on Bulk Yb-Doped Gain Media

Zhigang Zhao; Zhenhua Cong; Zhaojun Liu

doi:10.3788/LOP57.071605

Journals >Laser & Optoelectronics Progress >Volume 57 >Issue 7 >Page 071605 > Article

Laser & Optoelectronics Progress
Vol. 57, Issue 7, 071605 (2020)

Review on Ultrashort Pulse Laser Amplifiers Based on Bulk Yb-Doped Gain Media

Zhigang Zhao^{1、2、3、*}, Zhenhua Cong^1、2、3, and Zhaojun Liu^{1、2、3、**}

Author Affiliations

¹School of Information Science and Engineering, Shandong University, Qingdao, Shandong, 266237, China

²Shandong Provincial Key Laboratory of Laser Technology and Application, Qingdao, Shandong, 266237, China

³Ministry of Education Key Laboratory of Laser and Infrared System Integration Technology, Shandong University, Qingdao, Shandong, 266237, China

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DOI: 10.3788/LOP57.071605 Cite this Article Set citation alerts

Zhigang Zhao, Zhenhua Cong, Zhaojun Liu. Review on Ultrashort Pulse Laser Amplifiers Based on Bulk Yb-Doped Gain Media[J]. Laser & Optoelectronics Progress, 2020, 57(7): 071605 Copy Citation Text

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Fig. 1. Experimental setup for two-pass Yb∶YAG chirped pulse amplification^[20]

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Fig. 2. Experimental setup for two-pass Yb∶YAG chirped pulse amplification^[23]

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Fig. 3. Schematic diagram of uniform and tapered Yb∶YAG rod^[26]

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Fig. 4. Experimental setup for three-stage of Yb∶YAG amplifier^[28]

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Fig. 5. Experimental setup for direct water-cooled bonded Yb∶YAG amplifier^[31]

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Fig. 6. Experimental setup for four-pass thin-rod Yb∶Y₂O₃ amplifier^[32]

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Fig. 7. Experimental setup for four-pass bulk Yb∶YAG amplifier^[34]

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Fig. 8. Experimental setup for the Yb∶YAG regenerative amplifier ^[37]

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Fig. 9. Experimental setup for the dual-Yb∶KYW regenerative amplifier^[42]

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Fig. 10. Experimental setup for the dual-Yb∶KYW high energy regenerative amplifier^[44]

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Fig. 11. Experimental setup for the regenerative amplifier^[54]

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Fig. 12. Diagram detailing laser head optical pumping and cooling ^[64]

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Gainmedium	Dimension anddoping concentration	Average powerP /W	Repetitionrate f /MHz	Pulse durationτ_p /ps	Year andReference	Remarks
Yb∶YAG	2 mm×2 mm×20 mm, 2%	39.5 (BC)	5×10^-1	0.60	2017, [20]
Yb∶YAG	5 mm×5 mm×20 mm, 2%	5.4	1×10^-4	1.20	2018, [22]
Yb∶YAG	Length=12 mm, 3.6%	20	2×10^-1	0.76	2018, [23]
Yb∶YAG	N/A	40	1	0.40	2019, [24]
Yb∶YAG	Φ2×30 mm, 2%	39	1×10^-2	N/A	2018, [25]	Ceramic
Yb∶YAG	Φ(0.3→1)×30 mm, 1%	25	N/A	CW	2016, [26]	Tapered
Yb∶YAG	Φ3×(14+24+32) mm, 2%	38 (BC)	0.25	0.99	2019, [31]
Yb∶Y₂O₃	Φ1×27 mm, 0.5%	8.1	80	0.24	2019, [32]	Ceramic
Yb∶YAG	5 mm×15 mm×23 mm, 1%	250	0.1	20	2016, [34]	Cryogenic
Yb∶YLF	10 mm×15 mm×20 mm, 0.5%	1.9	1×10^-5	1.35	2019, [35]	Cryogenic

Table 1. Summary of results of the Yb-bulk gain media based travelling wave amplifier

Gainmedium	Dimension anddoping concentration	Average powerP /W	Repetitionrate f /MHz	Pulse durationτ_p /ps	Year andReference	Remarks
Yb∶YAG	1 mm×1 mm×42 mm, 0.7%	10	1×10^-1	6.2	2008, [36]
Yb∶YAG	Length=52 mm, 0.5%	20	1×10^-1	2	2013, [37]
Yb∶KYW	Length=4 mm, 10%	0.065	1×10^-3	0.46	2002, [38]
Yb∶KGW	Length=4.1 mm, 5%	0.044	1×10^-3	0.39	2002, [39]
Yb∶KYW	5 mm×5 mm×2 mm, 20%	0.055	1×10^-5	1	2007, [40]	Cryogenic
Yb∶KYW	Length=2 mm, N/A	12	1×10^-1	0.50	2009, [41]	2 crystals
Yb∶KYW	3 mm×3 mm×2 mm, 5%	8	2×10^-1	0.18	2012, [42]	2 crystals
Yb∶KGW	Length=5 mm, 3%	21 (BC)	2×10^-1	0.2	2013, [43]	2 crystals
Yb∶KYW	Length=3 mm, 2%	4.7	1×10^-3	0.65	2014, [44]	2 crystals
Yb∶CaF₂	Length=5 mm, 2.6%	0.7 (BC)	5×10^-4	0.178	2010, [45]
Yb∶CaF₂	Length=5 mm, 3%	0.028 (BC)	1×10^-5	0.39	2014, [46]
Yb∶CaF₂	Length=4 mm, 2.7%	8.5 (BC)	5×10^-1	0.313	2015, [47]
Yb∶CaF₂	Length=20 mm	5 (BC)	5×10^-3	0.13	2016, [48]	Fiberlaser pumping
Yb∶CaF₂	N/A	15 (BC)	5×10^-2	0.2	2016, [49]	Cryogenic
Yb∶YLF	5×5×2 mm³, 20%	0.6	2×10^-5	0.795	2003, [50]	Cryogenic
Yb∶YLF	Length=26 mm, 0.5%	70 (BC)	3.5×10^-3	<1	2020, [51]	Cryogenic
Yb∶CALGO	Length=4 mm, 2%	28	5×10^-1	0.217	2013, [52]
Yb∶Lu₂O₃	Length=4 mm, 1.5%	42	5×10^-1	0.78	2016, [53]	2 crystals
Yb∶YVO₄	4 mm×2 mm×5 mm, 2%	4.2	2×10^-1	0.2	2015, [55]
Yb∶CaYAlO₄	4 mm×1.5 mm×2 mm, 3.5%	4.2 (σ)3.0 (π)	2×10^-1	0.31 (σ)0.19 (π)	2016, [54]
Yb∶LuAlO₃	2 mm×5 mm×1.5 mm, 2%	5.0 (∥b)4.5 (∥b)	2×10^-1	0.5650.165	2017, [56]
Yb∶YAB	N/A	4.6	1×10^-1	0.695	2019, [57]

Table 2. Summary of the results of Yb-bulk materials based regenerative amplifier

Zhigang Zhao, Zhenhua Cong, Zhaojun Liu. Review on Ultrashort Pulse Laser Amplifiers Based on Bulk Yb-Doped Gain Media[J]. Laser & Optoelectronics Progress, 2020, 57(7): 071605

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