Microsecond gain-switched master oscillator power amplifier (1958 nm) with high pulse energy

Yin, Ke; Yang, Weiping; Zhang, Bin; Li, Ying; Hou, Jing

doi:10.1070/qe2014v044n02abeh015302

Cited by 4 publications

(3 citation statements)

References 11 publications

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“…The comparison for the lasers was mainly at 1900~2000 nm. The maximal output power in the TDFL proposed in this paper was 26 W, which is higher than that in [14,22,28,29]. Furthermore, compared with lasers in [14,22,[28][29][30], the slope efficiency of the proposed TDFL can reach 55.6%.…”

Section: Resultsmentioning

confidence: 74%

“…The maximal output power in the TDFL proposed in this paper was 26 W, which is higher than that in [14,22,28,29]. Furthermore, compared with lasers in [14,22,[28][29][30], the slope efficiency of the proposed TDFL can reach 55.6%. The comparable and even better results observed for our laser showed the exceptional performance of our proposed TDFL.…”

Section: Resultsmentioning

confidence: 74%

“…Liu et al proposed a single-mode ZBLAN fiber with average output power of 21.8 W, with a slope efficiency of 11% [14]. Yin et al presented an all-fiber MOPA emitting high-energy pulses and obtained an output power of 6.28 W with a slope efficiency of 32.1% [22]. Note that experimental results were unable to obtain high output power and a slope efficiency of more than half.…”

Section: Introductionmentioning

confidence: 99%

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High-Power, Narrow-Linewidth, Continuous-Wave, Thulium-Doped Fiber Laser Based on MOPA

et al. 2023

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A high-power, narrow-linewidth, continuous-wave, thulium-doped fiber laser (TDFL) based on a master-oscillator power-amplifier (MOPA) was experimentally demonstrated. The main oscillator (seed source) yielded 0.64 W of narrow-linewidth laser output at a central wavelength of 1940.32 nm and a 3 dB spectral bandwidth of 0.05 nm. The output narrow-linewidth laser from the main oscillator was amplified by two-stage, cladding-pumped, thulium-doped, all-fiber amplifiers. The main amplifier yielded 26 W of narrow-linewidth laser at a central wavelength of 1940.33 nm. The slope efficiency of the main amplifier was approximately 55.6%. Significant residual pumping light component in the output laser was not observed. During the amplification process, no stimulated Brillouin scattering (SBS) effect, strong amplified spontaneous emission (ASE) effect, and parasitic lasers were observed at the reverse monitoring end. Moreover, the output power was only limited by the incident pump power and the output power had a good stability in a 50 min monitoring period.

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Section: Resultsmentioning

confidence: 74%

Section: Resultsmentioning

confidence: 74%

Section: Introductionmentioning

confidence: 99%

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High-Power, Narrow-Linewidth, Continuous-Wave, Thulium-Doped Fiber Laser Based on MOPA

et al. 2023

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Recent Advancements and Challenges in High‐Power Thulium‐Doped Laser

Sohail,

Li,

Guo

et al. 2024

Adv Materials Technologies

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High‐power all‐fiber thulium lasers have gained considerable interest in recent times due to their distinct characteristics and versatile applications in the medical and industrial sectors. This review article presents a comprehensive examination of the advancements and challenges in this field. It begins with an overview of thulium‐doped silica fiber, which is a critical component for high‐power lasers operating at the 2 µm (micrometer) wavelength band. The research progress of essential high‐power thulium laser sources, including continuous‐wave (CW), quasi‐continuous wave (QCW), and pulsed lasers, is then thoroughly analyzed, highlighting their respective strengths and limitations. Additionally, the diverse applications of high‐power thulium fiber lasers in medical and industrial domains are summarized. Furthermore, the article emphasizes the current challenges in the advancement of high‐power thulium‐doped fiber lasers (TDFLs) and outlines potential avenues for future development. Despite TDFLs being the predominant laser source in lithotripsy and material processing applications, optimizing their performance and expediting further progress in thulium laser technology remain crucial objectives. This review article aims to provide valuable insights for researchers, engineers, and professionals working in the field of high‐power fiber lasers operating at 2 µm.

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Recent progress on high-power 2 μm fiber lasers: A comprehensive study of advancements, applications, and future perspectives

Sohail,

Yin,

Abdullah

et al. 2024

Materials Today Physics

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Microsecond gain-switched master oscillator power amplifier (1958 nm) with high pulse energy

Cited by 4 publications

References 11 publications

High-Power, Narrow-Linewidth, Continuous-Wave, Thulium-Doped Fiber Laser Based on MOPA

High-Power, Narrow-Linewidth, Continuous-Wave, Thulium-Doped Fiber Laser Based on MOPA

Recent Advancements and Challenges in High‐Power Thulium‐Doped Laser

Recent progress on high-power 2 μm fiber lasers: A comprehensive study of advancements, applications, and future perspectives

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