Graphene oxide for diode-pumped Tm:YLF passively Q-switched laser at 2 μm

Yuqian Zu; Cheng Zhang; Yongjing Wu; Jingjing Liu; Jie Liu; Yonggang Wang

doi:10.3788/COL201816.020013

Journals >Chinese Optics Letters >Volume 16 >Issue 2 >Page 020013 > Article

Chinese Optics Letters
Vol. 16, Issue 2, 020013 (2018)

Graphene oxide for diode-pumped Tm:YLF passively Q-switched laser at 2 μm

Yuqian Zu¹, Cheng Zhang¹, Yongjing Wu¹, Jingjing Liu¹, Jie Liu^1、2、*, and Yonggang Wang³

Author Affiliations

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

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

³School of Physics and Information Technology, Shaanxi Normal University, Xi’an 710119, China

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DOI: 10.3788/COL201816.020013 Cite this Article Set citation alerts

Yuqian Zu, Cheng Zhang, Yongjing Wu, Jingjing Liu, Jie Liu, Yonggang Wang. Graphene oxide for diode-pumped Tm:YLF passively Q-switched laser at 2 μm[J]. Chinese Optics Letters, 2018, 16(2): 020013 Copy Citation Text

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Abstract

A diode-pumped Tm:YLF passively Q-switched laser at 2 μm was first demonstrated by using graphene oxide (GO) as a saturable absorber (SA). In this letter, continuous-wave (CW) laser and pulse laser performances were studied meticulously and systematically. It reasonably showed the dependence of the pulse duration, pulse energy, and pulse repetition rate on the absorbed power. A maximum repetition rate of 38.33 kHz and a single pulse energy of 9.89 μJ were obtained.

T (I) = 1 - φ_{0} \times \exp (- I / I_{sat}) - φ_{ns},

(1)

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- \frac{1}{T_{R}} I \frac{d q}{d I} > \frac{r}{τ},

(2)

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Yuqian Zu, Cheng Zhang, Yongjing Wu, Jingjing Liu, Jie Liu, Yonggang Wang. Graphene oxide for diode-pumped Tm:YLF passively Q-switched laser at 2 μm[J]. Chinese Optics Letters, 2018, 16(2): 020013

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