Comparison of signal-resonant and idler-resonant KTA-SROs

Fen Bai; Qingpu Wang; Zhaojun Liu; Zhiyong Jiao; Xianfeng Xu; Hui Zhang

doi:10.3788/COL201614.071402

Chinese Optics Letters, Volume. 14, Issue 7, 071402(2016)

Comparison of signal-resonant and idler-resonant KTA-SROs

Fen Bai^1、*, Qingpu Wang², Zhaojun Liu², Zhiyong Jiao¹, Xianfeng Xu¹, and Hui Zhang¹

Author Affiliations

¹College of Science, China University of Petroleum (East China), Qingdao 266580, China

²School of Information Science & Engineering and Shandong Provincial Key Laboratory of Laser Technology and Application, Shandong University, Jinan 250100, China

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Figures & Tables(8)

Fig. 1. Experimental setup for Nd:YVO4/KTA SRO. CL, coupling lens; AO, acousto-optic Q-switch; DM, dichroic mirror.

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Fig. 2. Average output powers of 1064 nm laser with respect to the diode pump powers.

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Fig. 3. Average output powers with respect to the diode pump powers for signal and idler-resonant KTA-SROs.

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Fig. 4. Pulse widths with respect to the diode pump powers for two types of KTA-SROs.

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Fig. 5. Typical pulse shapes for two types of KTA-SRO: (a) signal resonant and (b) idler resonant.

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Fig. 6. Peak powers with respect to the diode pump powers for two types of KTA-SROs.

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Table 1. Threshold at Different PRRs for Two Types of KTA-SROs
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Table 1. Threshold at Different PRRs for Two Types of KTA-SROs
40 kHz 50 kHz 60 kHz
Signal-resonant SRO 10.03 W 11.28 W 13.33 W
Idler-resonant SRO 15.58 W 16.58 W 19.92 W

Table 2. Beam Quality Factors for Two Types of KTA-SROs
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Table 2. Beam Quality Factors for Two Types of KTA-SROs
1.5 μm wave 3.5 μm wave
Horizontal Vertical Horizontal Vertical
Signal-resonant SRO $1.5 \pm 0.1$ $1.6 \pm 0.1$ $7.3 \pm 0.1$ $8.0 \pm 0.1$
Idler-resonant KTA-SRO $4.9 \pm 0.1$ $5.1 \pm 0.1$ $2.2 \pm 0.1$ $3.2 \pm 0.1$

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Fen Bai, Qingpu Wang, Zhaojun Liu, Zhiyong Jiao, Xianfeng Xu, Hui Zhang, "Comparison of signal-resonant and idler-resonant KTA-SROs," Chin. Opt. Lett. 14, 071402 (2016)

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