Highly efficient CW laser operation in 4 at. % Tm3+ and 4 at. % Y3+ codoped CaF2 crystals

Xinsheng Guo; Qinghui Wu; Linyang Guo; Fengkai Ma; Fei Tang; Cheng Zhang; Jie Liu; Bingchu Mei; Liangbi Su

doi:10.3788/COL201816.051401

Journals >Chinese Optics Letters >Volume 16 >Issue 5 >Page 051401 > Article

Chinese Optics Letters
Vol. 16, Issue 5, 051401 (2018)

Highly efficient CW laser operation in 4 at. % Tm³⁺ and 4 at. % Y³⁺ codoped CaF₂ crystals

Xinsheng Guo^1、2, Qinghui Wu², Linyang Guo³, Fengkai Ma², Fei Tang², Cheng Zhang⁴, Jie Liu⁴, Bingchu Mei^1、*, and Liangbi Su^2、5、**

Author Affiliations

¹State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430070, China

²Synthetic Single Crystal Research Center, Key Laboratory of Transparent and Opto-Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China

³State Key Laboratory on High Power Semiconductor Lasers, Changchun University of Science and Technology, Changchun 130022, China

⁴Shandong Provincial Key Laboratory of Optics and Photonic Device, College of Physics and Electronics, Shandong Normal University, Jinan 250014, China

⁵State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China

show less

DOI: 10.3788/COL201816.051401 Cite this Article Set citation alerts

Xinsheng Guo, Qinghui Wu, Linyang Guo, Fengkai Ma, Fei Tang, Cheng Zhang, Jie Liu, Bingchu Mei, Liangbi Su. Highly efficient CW laser operation in 4 at. % Tm³⁺ and 4 at. % Y³⁺ codoped CaF₂ crystals[J]. Chinese Optics Letters, 2018, 16(5): 051401 Copy Citation Text

EndNote(RIS)

BibTex

Plain Text

show less

Fig. 1. XRD patterns of the Tm:CaF2 and Tm,Y:CaF2 crystals.

Download full size | View in the Article

Fig. 2. Absorption spectra of Tm:CaF2 and Tm,Y:CaF2 crytals.

Download full size | View in the Article

Fig. 3. Emission spectra of the Tm:CaF2 and Tm,Y:CaF2 crystals.

Download full size | View in the Article

Fig. 4. Fluorescence decay curves at (a) 4 at. % Tm:CaF2 and (b) 4 at. % Tm,4 at. % Y:CaF2.

Download full size | View in the Article

Fig. 5. Gain cross-section at (a) 4 at. % Tm:CaF2 and (b) 4 at. % Tm,4 at. % Y:CaF2.

Download full size | View in the Article

Fig. 6. Schematic of the Tm,Y:CaF2 crystal laser.

Download full size | View in the Article

Fig. 7. Output powers versus absorbed pump power with output coupler transmissions of 2%, 5%, and 10%, respectively.

Download full size | View in the Article

Hosts	Emission Cross-section ( ${cm}^{- 2}$ )	Emission Lifetime (ms)	$P_{out}$ (W)	$η$ (%)	References
Tm:YAG	$2.9 \times 10^{- 20}$	0.25	0.593	18.9	[27]
Tm:SSO	$6 \times 10^{- 21}$	1.1	0.934	25.9	[28,29]
$Tm : {CaYAlO}_{4}$	$2.5 \times 10^{- 21}$	2.68–2.9	0.24	28	[30,31]
Tm:YAP	$2.09 \times 10^{- 19}$	48.3	10.5	46	[32,33]
$Tm : {CaF}_{2}$	$3.2 \times 10^{- 21}$	2.99	–	–	This work
$Tm, Y : {CaF}_{2}$	$4.5 \times 10^{- 21}$	3.94	1.013	54.8	This work