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High power and efficient continuous-wave and acousto-optically Q-switched Tm:LGGG disordered crystal laser under in-band dual-diode-pumping.

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Title: High power and efficient continuous-wave and acousto-optically Q-switched Tm:LGGG disordered crystal laser under in-band dual-diode-pumping.
Authors: Zhang, Wensheng1 (AUTHOR), Li, Linjun2 (AUTHOR), Duan, Xiaoming3,4 (AUTHOR), Liu, Yuanyuan1 (AUTHOR), Zhang, Yujun1 (AUTHOR), Liang, Hong1 (AUTHOR) lianghonghrbu@163.com
Source: Applied Physics B: Lasers & Optics. Oct2025, Vol. 131 Issue 10, p1-7. 7p.
Subjects: Continuous wave lasers, Solid-state lasers, Laser beams, Mechanical efficiency, Q-switched lasers, Absorption spectra
Abstract: In this paper, we present a high-efficiency dual-diode-pumped Tm:LGGG disordered crystal laser using in-band pumping architecture for the first time. The room-temperature absorption and emission spectral properties of the Tm:LGGG crystal were characterized across the spectral rang of 1500–2300 nm. A maximum output power of 11.5 W and a slope efficiency of 57.1% concerning absorbed pump power were achieved in continuous-wave regime. Moreover, the beam quality factor M2 was estimated to be 1.9 at above output power. In the acousto-optically Q-switching regime at a repetition rate of 1 kHz, a pulse energy of 5.71 mJ and a pulse width of 102 ns were achieved, resulting in a peak power of 55.98 kW. [ABSTRACT FROM AUTHOR]
Copyright of Applied Physics B: Lasers & Optics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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  Data: High power and efficient continuous-wave and acousto-optically Q-switched Tm:LGGG disordered crystal laser under in-band dual-diode-pumping.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Wensheng%22">Zhang, Wensheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Linjun%22">Li, Linjun</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Duan%2C+Xiaoming%22">Duan, Xiaoming</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Yuanyuan%22">Liu, Yuanyuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Yujun%22">Zhang, Yujun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liang%2C+Hong%22">Liang, Hong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> lianghonghrbu@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Applied+Physics+B%3A+Lasers+%26+Optics%22">Applied Physics B: Lasers & Optics</searchLink>. Oct2025, Vol. 131 Issue 10, p1-7. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Continuous+wave+lasers%22">Continuous wave lasers</searchLink><br /><searchLink fieldCode="DE" term="%22Solid-state+lasers%22">Solid-state lasers</searchLink><br /><searchLink fieldCode="DE" term="%22Laser+beams%22">Laser beams</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+efficiency%22">Mechanical efficiency</searchLink><br /><searchLink fieldCode="DE" term="%22Q-switched+lasers%22">Q-switched lasers</searchLink><br /><searchLink fieldCode="DE" term="%22Absorption+spectra%22">Absorption spectra</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: In this paper, we present a high-efficiency dual-diode-pumped Tm:LGGG disordered crystal laser using in-band pumping architecture for the first time. The room-temperature absorption and emission spectral properties of the Tm:LGGG crystal were characterized across the spectral rang of 1500–2300 nm. A maximum output power of 11.5 W and a slope efficiency of 57.1% concerning absorbed pump power were achieved in continuous-wave regime. Moreover, the beam quality factor M2 was estimated to be 1.9 at above output power. In the acousto-optically Q-switching regime at a repetition rate of 1 kHz, a pulse energy of 5.71 mJ and a pulse width of 102 ns were achieved, resulting in a peak power of 55.98 kW. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Applied Physics B: Lasers & Optics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s00340-025-08552-6
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      – Code: eng
        Text: English
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        PageCount: 7
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    Subjects:
      – SubjectFull: Continuous wave lasers
        Type: general
      – SubjectFull: Solid-state lasers
        Type: general
      – SubjectFull: Laser beams
        Type: general
      – SubjectFull: Mechanical efficiency
        Type: general
      – SubjectFull: Q-switched lasers
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      – SubjectFull: Absorption spectra
        Type: general
    Titles:
      – TitleFull: High power and efficient continuous-wave and acousto-optically Q-switched Tm:LGGG disordered crystal laser under in-band dual-diode-pumping.
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            NameFull: Zhang, Wensheng
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            NameFull: Li, Linjun
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            NameFull: Liu, Yuanyuan
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              M: 10
              Text: Oct2025
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              Y: 2025
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