Highly efficient Nd:(LaxGd1−x)3Gd5O12 laser operation at 1.33 μm

Zhitai Jia; Yanru Yin; He Yang; Baitao Zhang; Jingliang He; Mauro Tonelli; Xutang Tao

doi:10.3788/COL201614.021405

Journals >Chinese Optics Letters >Volume 14 >Issue 2 >Page 021405 > Article

Chinese Optics Letters
Vol. 14, Issue 2, 021405 (2016)

Highly efficient Nd:(La_xGd_1−x)₃Gd₅O₁₂ laser operation at 1.33 μm

Zhitai Jia^1、2, Yanru Yin¹, He Yang¹, Baitao Zhang¹, Jingliang He^1、2, Mauro Tonelli³, and Xutang Tao^1、2、*

Author Affiliations

¹State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China

²Key Laboratory of Functional Crystal Materials and Device (Shandong University, Ministry of Education), Jinan 250100, China

³NEST-CNR and Dipartimento di Fisica, Università di Pisa, Largo Pontecorvo 3, 56127 Pisa, Italy

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DOI: 10.3788/COL201614.021405 Cite this Article Set citation alerts

Zhitai Jia, Yanru Yin, He Yang, Baitao Zhang, Jingliang He, Mauro Tonelli, Xutang Tao. Highly efficient Nd:(La_xGd_1−x)₃Gd₅O₁₂ laser operation at 1.33 μm[J]. Chinese Optics Letters, 2016, 14(2): 021405 Copy Citation Text

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Fig. 1. Experimental arrangement of diode-pumped Nd:LaGGG crystal at 1.33 μm.

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Fig. 2. Room-temperature stimulated emission cross section of Nd:LGGG (Lu3+=0.66 at. %) and Nd:LaGGG at around 1.3 μm.

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Fig. 3. Relationship between the thermal focal length and absorbed pump power.

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Fig. 4. CW output power versus absorbed pump power.

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Fig. 5. Q-switched output power versus absorbed pump power.

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Fig. 6. Variation of repetition and pulse width versus the absorbed pump power.

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Fig. 7. Pulse train with the repetition rate of 13.66 kHz. The upper left inset shows the pulse profile with the pulse width of 27.54 ns.

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	CW			PQS
Laser properties	$P_{out}$ (W)	$η_{opt}$	$η_{p}$	$P_{ave}$ (W)	$Δ T$ (ns)	$P_{peak}$ (kW)	$E$ (μJ)	Ref.
Nd:GGG	2.08	19.0%	20.5%	0.46	19.0	0.6	11.8	[7]
	1.50	19.4%	21.5%	0.18	16.4	1.3	21.4	[8]
Nd:GAGG	2.45	21.8%	23.3%	0.33	18.2	2.0	36.3	[9]
Nd:LGGG	0.93	8.5%	10.4%	0.17	15.6	1.1	16.7	[10]
	3.70	19.6%	20.9%	0.75	25.9	1.7	43.6	[11]
Nd:YGG	3.09	16.7%	21.3%	–	–	–	–	[12]