Matthew A. Cooperhttps://orcid.org/0000-0002-1587-8567,1 Joseph Wahlen,1 Juan Carlos Alvarado Zacarias,1 Daniel Cruz Delgado,1 Ivan Divliansky,1 Jose Antonio-Lopez,1 Axel Schulzgen,1 Rodrigo Amezcua Correa1
1CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
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Advancements in high-power delivery of narrow linewidth single mode fiber lasers have garnered significant amount of recent interest with the advancement of hollow-core fibers. It has been shown that by propagating high intensity light through an air core as opposed to a solid glass core one can significantly delay the onset of nonlinear effects deleterious to laser performance. Precisely designed anti-resonant hollow-core fibers have been shown to handle both 100s of watts of average power and low-loss propagation while simultaneously resisting bending losses and discouraging the propagation of any higher order modes. This paper presents the recent progress in surpassing more the 1 kW of single mode 1070nm optical power through one such fiber at a length of more than 10m coiled on a 30cm mandrel.
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Matthew A. Cooper, Joseph Wahlen, Juan Carlos Alvarado Zacarias, Daniel Cruz Delgado, Ivan Divliansky, Jose Antonio-Lopez, Axel Schulzgen, Rodrigo Amezcua Correa, "KW single mode CW laser transmission in an anti-resonant hollow-core fiber," Proc. SPIE PC12092, Laser Technology for Defense and Security XVII, PC120920C (30 May 2022); https://doi.org/10.1117/12.2619034