Power-scalable sub-100-fs Tm laser at 2.08 μm

Li Wang; Weidong Chen; Yongguang Zhao; Hanlin Yang; Wei Jing; Zhongben Pan; Hui Huang; Jiachen Liu; Ji Eun Bae; Fabian Rotermund; Pavel Loiko; Xavier Mateos; Zhengping Wang; Xinguang Xu; Uwe Griebner; Valentin Petrov

doi:10.1017/hpl.2021.42

Journals >High Power Laser Science and Engineering >Volume 9 >Issue 4 >Page 04000e50 > Article

High Power Laser Science and Engineering
Vol. 9, Issue 4, 04000e50 (2021)

Power-scalable sub-100-fs Tm laser at 2.08 μm

Li Wang¹, Weidong Chen¹, Yongguang Zhao^1、2、*, Hanlin Yang^3、4, Wei Jing³, Zhongben Pan³, Hui Huang³, Jiachen Liu⁴, Ji Eun Bae⁵, Fabian Rotermund⁵, Pavel Loiko⁶, Xavier Mateos⁷, Zhengping Wang⁸, Xinguang Xu⁸, Uwe Griebner¹, and Valentin Petrov¹

Author Affiliations

¹Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy, 12489Berlin, Germany

²Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou221116, China

³Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang621900, China

⁴Key Laboratory of Advanced Ceramics and Mechanical Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin300072, China

⁵Department of Physics, Korea Advanced Institute of Science and Technology (KAIST), 34141Daejeon, Republic of Korea

⁶Centre de Recherche sur les Ions, les Matériaux et la Photonique (CIMAP), UMR 6252 CEA-CNRS-ENSICAEN, Université de Caen, 14050 Caen Cedex 4, France

⁷Física i Cristal·lografia de Materials i Nanomaterials (FiCMA-FiCNA), Universitat Rovira i Virgili (URV), 43007Tarragona, Spain

⁸State Key Laboratory of Crystal Materials and Institute of Crystal Materials, Shandong University, Jinan250100, China

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DOI: 10.1017/hpl.2021.42 Cite this Article Set citation alerts

Li Wang, Weidong Chen, Yongguang Zhao, Hanlin Yang, Wei Jing, Zhongben Pan, Hui Huang, Jiachen Liu, Ji Eun Bae, Fabian Rotermund, Pavel Loiko, Xavier Mateos, Zhengping Wang, Xinguang Xu, Uwe Griebner, Valentin Petrov. Power-scalable sub-100-fs Tm laser at 2.08 μm[J]. High Power Laser Science and Engineering, 2021, 9(4): 04000e50 Copy Citation Text

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The state-of-the-art of sub-100-fs ML Tm lasers operating in the 2-μm spectral range (average output power versus pulse duration). The red stars summarize our present results.

Fig. 1. The state-of-the-art of sub-100-fs ML Tm lasers operating in the 2-μm spectral range (average output power versus pulse duration). The red stars summarize our present results.

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Experimental configuration of the CW and ML Tm:(Lu,Sc)2O3 ceramic laser. L, focusing lens; M1 and M2, concave dichroic mirrors; M3, plane rear mirror; DM1–DM4, dispersive mirrors; OC, output coupler.

Fig. 2. Experimental configuration of the CW and ML Tm:(Lu,Sc)₂O₃ ceramic laser. L, focusing lens; M₁ and M₂, concave dichroic mirrors; M₃, plane rear mirror; DM₁–DM₄, dispersive mirrors; OC, output coupler.

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Fig. 3. (a) Laser performance of the Tm:(Lu,Sc)₂O₃ ceramic laser in the CW regime for different OC transmission T_OC. (b) Cavity loss fitting curve with the slope efficiency as a function of the OC reflectivity, R_OC = 1 – T_OC.

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Fig. 4. SWCNT-SA ML Tm:(Lu,Sc)₂O₃ ceramic laser with T_OC = 1.5%: (a) measured optical spectrum and (b) interferometric autocorrelation trace.

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Fig. 5. SWCNT-SA ML Tm:(Lu,Sc)₂O₃ ceramic laser with T_OC = 3%: (a) measured optical spectrum and (b) interferometric autocorrelation trace.

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Fig. 6. SWCNT-SA ML Tm:(Lu,Sc)₂O₃ ceramic laser with T_OC = 0.5%: (a) measured optical spectrum and (b) interferometric autocorrelation trace.

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Fig. 7. Radio frequency (RF) spectra of the ML Tm:(Lu,Sc)₂O₃ ceramic laser with T_OC = 0.5%: (a) fundamental beat note and (b) 1-GHz span. RBW, resolution bandwidth.

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