Researching | Highly efficient dual-wavelength acousto-optically Q-switched Tm,La:CaF2 laser

Journals >Chinese Optics Letters >Volume 20 >Issue 11 >Page 111402 > Article

Chinese Optics Letters
Vol. 20, Issue 11, 111402 (2022)

Highly efficient dual-wavelength acousto-optically Q-switched Tm,La:CaF₂ laser

Qianqian Hao¹, Wenxin Liu¹, Yuqian Zu¹, Yangxiao Wang^2,3..., Jie Liu^1,* and Liangbi Su^2,3,**|Show fewer author(s)

Author Affiliations

¹Shandong Provincial Engineering and Technical Center of Light Manipulations and Shandong Provincial Key Laboratory of Optics and Photonic Device, School of Physics and Electronics, Shandong Normal University, Jinan 250358, China

²State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China

³Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

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DOI: 10.3788/COL202220.111402 Cite this Article Set citation alerts

Qianqian Hao, Wenxin Liu, Yuqian Zu, Yangxiao Wang, Jie Liu, Liangbi Su, "Highly efficient dual-wavelength acousto-optically Q-switched Tm,La:CaF₂ laser," Chin. Opt. Lett. 20, 111402 (2022) Copy Citation Text

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Schematic diagram of AO Q-switched Tm,La:CaF2 laser. AOM, acousto-optic modulator.

Fig. 1. Schematic diagram of AO Q-switched Tm,La:CaF₂ laser. AOM, acousto-optic modulator.

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Output power of CW and AO Q-switched laser. Insert, far-field three-dimensional intensity distribution of AO Q-switched laser at the maximum output power.

Fig. 2. Output power of CW and AO Q-switched laser. Insert, far-field three-dimensional intensity distribution of AO Q-switched laser at the maximum output power.

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Fig. 3. CW and Q-switched laser emission spectra.

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Fig. 4. Curves of pulse width versus absorbed pump power.

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Fig. 5. Curves of single pulse energy versus absorbed pump power.

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Fig. 6. Curves of peak power versus absorbed pump power.

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Fig. 7. Temporal traces of Q-switched laser at time scales of 100 ns/div and 10 ms/div.

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Crystal	$λ$ (nm)	$τ$ (ns)	$E_{p}$ (mJ)	$P_{p}$ (kW)	$η$ (%)	Ref.
$Tm : {GdVO}_{4}$	1912	48	0.4	8.3	–	[18]
Tm:YAG	2013	54	0.003	0.055	–	[27]
Tm:LSO	2040.1	345	0.26	0.75	12.3	[28]
Tm:SSO	1968	308	0.128	0.416	–	[17]
$Tm, Y : {CaF}_{2}$	1912	280	0.335	1.19	18.1	[29]
Tm:YAP	1988	38	16.36	430	29.4^{^b}	[30]
Tm:YLF	1879	37	1.97	53.2	36^{^c}	[31]
$Tm, La : {CaF}_{2}$	1881.7 + 1888.5	100	1.89	18.9	64.7	Our work

Table 1. Summaries of AO Q-Switched Tm³⁺-Doped Solid-State Lasers^a

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Qianqian Hao, Wenxin Liu, Yuqian Zu, Yangxiao Wang, Jie Liu, Liangbi Su, "Highly efficient dual-wavelength acousto-optically Q-switched Tm,La:CaF₂ laser," Chin. Opt. Lett. 20, 111402 (2022)

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