We developed a 915-nm pumped, passively Q-switched 976-nm ytterbium all-fiber laser with an average output power of 4.3 W. The laser utilizes a 16-cm Yb gain fiber, passively Q-switched by a 1.8-cm Yb fiber, delivering stable single-mode pulses with an energy of 11.3 µJ at 0.38 MHz when pumped with 35 W. A slope efficiency of 16.4% was achieved. This work is the first, to our knowledge, demonstrated watt-level 976-nm Q-switched fiber laser without employing cascaded amplifiers. In addition, we established a set of coupled rate equations to model the system and forecast the potential for achieving higher output powers.
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We developed a 915-nm pumped, passively Q-switched 976-nm ytterbium all-fiber laser with an average output power of 4.3 W. The laser utilizes a 16-cm Yb gain fiber, passively Q-switched by a 1.
View Article and Find Full Text PDFApplication and Output Performance Comparison of Janus and Traditional Transition Metal Chalcogenides in Ytterbium-Doped Fiber Lasers.
ACS Appl Mater Interfaces
January 2025
College of Automation, Xi'an University of Posts and Telecommunications, Xi'an 710100, China.
Janus transition metal disulfide (TMD) monolayers have two distinct carbon surfaces that break the inherent ground external mirror symmetry. When compared to traditional TMD materials, Janus TMDs not only inherit the advantages of traditional TMDs but also have new characteristics that are different from those of traditional TMDs. This paper describes the development of a stable passive Q-switched ytterbium-doped fiber laser (YDFL) with operating wavelengths of 1032.
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View Article and Find Full Text PDFArticle Synopsis
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