Silver nanorods absorber for passively Q-switched Nd,<inline-formula><mml:math display=inline id=m1 xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mrow><mml:mi>Gd</mml:mi><mml:mtext>:</mml:mtext><mml:msub><mml:mrow><mml:mi>CaF</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math></inline-formula> laser

Yongjing Wu; Siyuan Pang; Yuqian Zu; Qianqian Peng; Jimin Yang; Jie Liu; Liangbi Su

doi:doi:10.3788/COL201816.020015

Chinese Optics Letters, 2018, 16 (2): 020015, Published Online: Jul. 16, 2018

Silver nanorods absorber for passively Q-switched Nd,Gd:CaF2 laser

Yongjing Wu ¹Siyuan Pang ^3,4Yuqian Zu ¹Qianqian Peng ¹Jimin Yang ¹Jie Liu ^1,2,*Liangbi Su ^3,4

Author Affiliations

¹ Shandong Provincial Key Laboratory of Optics and Photonic Device, School of Physics and Electronics, Shandong Normal University, Jinan 250014, China

² Institute of Data Science and Technology, Shandong Normal University, Jinan 250014, China

³ Synthetic Single Crystal Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201800, China

⁴ Key Laboratory of Transparent and Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201800, China

Figures & Tables

Fig. 1. (a) TEM image of the SNRs SA with a scale bar of 500 nm; (b) the absorption intensity coefficient of the SNRs SA; (c) a photograph of SNRs solution; (d) the nonlinear transmission curve of the SNRs SA.

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Fig. 2. Schematics of diode-pumped Nd,Gd:CaF2 lasers in the CW mode and the PQS mode.

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Fig. 3. (Color online) Average output power versus the absorbed pump power for CW.

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Fig. 4. (Color online) Average output power, pulse width, repetition rate, and single pulse energy of the Q-switched Nd, Gd:CaF2 laser versus the absorbed pump power.

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Fig. 5. Laser emission spectrum of the Q-switched pulse trains with T=3%; (a) the instability of the average output power measured during the 40 min with T=3%; (b) the beam quality of the Q-switched laser with T=3%; (c) the spatial beam profile of the Q-switched laser with T=3%.

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Fig. 6. Typical pulse trains of the Q-switched laser in different time scales

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Table1. Results of the Q-switched Nd, Gd:CaF2 Laser Obtained with T= 2% and 3%

Transmission of the OC	$T = 2 %$	$T = 3 %$
Maximum average output power	118 mW	116 mW
slope efficiency	12.5%	12.6%
Repetition rate	51.48 kHz	53.92 kHz
Shortest pulse width	1.239 μs	1.046 μs
Single pulse energy	2.29 μJ	2.15 μJ
Peak power	1.85 W	2.06 W

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Yongjing Wu, Siyuan Pang, Yuqian Zu, Qianqian Peng, Jimin Yang, Jie Liu, Liangbi Su. Silver nanorods absorber for passively Q-switched Nd,Gd:CaF2 laser[J]. Chinese Optics Letters, 2018, 16(2): 020015.

Silver nanorods absorber for passively Q-switched Nd,Gd:CaF2 laser

Fig. 1. (a) TEM image of the SNRs SA with a scale bar of 500 nm; (b) the absorption intensity coefficient of the SNRs SA; (c) a photograph of SNRs solution; (d) the nonlinear transmission curve of the SNRs SA.

Fig. 2. Schematics of diode-pumped Nd,Gd:CaF2 lasers in the CW mode and the PQS mode.

Fig. 3. (Color online) Average output power versus the absorbed pump power for CW.

Fig. 4. (Color online) Average output power, pulse width, repetition rate, and single pulse energy of the Q-switched Nd, Gd:CaF2 laser versus the absorbed pump power.

Fig. 5. Laser emission spectrum of the Q-switched pulse trains with T=3%; (a) the instability of the average output power measured during the 40 min with T=3%; (b) the beam quality of the Q-switched laser with T=3%; (c) the spatial beam profile of the Q-switched laser with T=3%.

Fig. 6. Typical pulse trains of the Q-switched laser in different time scales

Table1. Results of the Q-switched Nd, Gd:CaF2 Laser Obtained with T= 2% and 3%

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Silver nanorods absorber for passively Q-switched Nd,Gd:CaF2 laser

Fig. 1. (a) TEM image of the SNRs SA with a scale bar of 500 nm; (b) the absorption intensity coefficient of the SNRs SA; (c) a photograph of SNRs solution; (d) the nonlinear transmission curve of the SNRs SA.

Fig. 2. Schematics of diode-pumped Nd,Gd:CaF2 lasers in the CW mode and the PQS mode.

Fig. 3. (Color online) Average output power versus the absorbed pump power for CW.

Fig. 4. (Color online) Average output power, pulse width, repetition rate, and single pulse energy of the Q-switched Nd, Gd:CaF2 laser versus the absorbed pump power.

Fig. 5. Laser emission spectrum of the Q-switched pulse trains with T=3%; (a) the instability of the average output power measured during the 40 min with T=3%; (b) the beam quality of the Q-switched laser with T=3%; (c) the spatial beam profile of the Q-switched laser with T=3%.

Fig. 6. Typical pulse trains of the Q-switched laser in different time scales

Table1. Results of the Q-switched Nd, Gd:CaF2 Laser Obtained with T= 2% and 3%

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