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1998•Optics LettersRequires access

Analysis of the effect of numerical aperture on Pr:ZBLAN upconversion fiber lasers

Yuxing Zhao, Simon Charles Fleming

Open publisher page 3 citations

Abstract

Theoretical analyses show that the use of high-numerical-aperture (NA) fibers can significantly increase the conversion efficiency of a blue Pr(3+) -doped fluoride fiber upconversion laser and reduce the pump-power threshold. A record high efficiency of ~14% and a low 1017-nm threshold of ~30 mW were achieved experimentally with a fiber with a NA of ~0.39.

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What this paper is about

Theoretical analyses show that the use of high-numerical-aperture (NA) fibers can significantly increase the conversion efficiency of a blue Pr(3+) -doped fluoride fiber upconversion laser and reduce the pump-power threshold. A record high efficiency of ~14% and a low 1017-nm threshold of ~30 mW were achieved experimentally with a fiber with a NA of ~0.39.

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OpenAlex reports 3 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Theoretical analyses show that the use of high-numerical-aperture (NA) fibers can significantly increase the conversion efficiency of a blue Pr(3+) -doped fluoride fiber upconversion laser and reduce the pump-power threshold. A record high efficiency of ~14% and a low 1017-nm threshold of ~30 mW were achieved experimentally with a fiber with a NA of ~0.39.

Key concepts: ZBLAN, Photon upconversion, Materials science, Fiber laser, Optics, Numerical aperture, Fiber, Laser

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