High-power direct green laser oscillation of 598 mW in Pr 3+-doped waterproof fluoroaluminate glass fiber excited by two-polarization-combined GaN laser diodes

Jun Nakanishi; Yuya Horiuchi; Tsuyoshi Yamada; Osamu Ishii; Masaaki Yamazaki; Minoru Yoshida; Yasushi Fujimoto

doi:10.1364/OL.36.001836

High-power direct green laser oscillation of 598 mW in Pr ³⁺-doped waterproof fluoroaluminate glass fiber excited by two-polarization-combined GaN laser diodes

Jun Nakanishi, Yuya Horiuchi, Tsuyoshi Yamada, Osamu Ishii, Masaaki Yamazaki, Minoru Yoshida, Yasushi Fujimoto

Graduate School of Advanced Science and Engineering

Research output: Contribution to journal › Article

22 Citations (Scopus)

Abstract

We demonstrated a high-power and highly efficient Pr-doped waterproof fluoride glass fiber laser at 522.2nm excited by two-polarization-combined GaN laser diodes and achieved a subwatt output power of 598mW and slope efficiency of 43.0%. This system will enable us to make a vivid laser display, a photocoagulation laser for eye surgery, a color confocal scanning laser microscope, and an effective laser for material processing. Direct visible ultrashort pulse generation is also expected.

Original language	English
Pages (from-to)	1836-1838
Number of pages	3
Journal	Optics Letters
Volume	36
Issue number	10
DOIs	https://doi.org/10.1364/OL.36.001836
Publication status	Published - 2011 May 15

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ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

Cite this

Nakanishi, J., Horiuchi, Y., Yamada, T., Ishii, O., Yamazaki, M., Yoshida, M., & Fujimoto, Y. (2011). High-power direct green laser oscillation of 598 mW in Pr ³⁺-doped waterproof fluoroaluminate glass fiber excited by two-polarization-combined GaN laser diodes. Optics Letters, 36(10), 1836-1838. https://doi.org/10.1364/OL.36.001836

High-power direct green laser oscillation of 598 mW in Pr ³⁺-doped waterproof fluoroaluminate glass fiber excited by two-polarization-combined GaN laser diodes. / Nakanishi, Jun; Horiuchi, Yuya; Yamada, Tsuyoshi; Ishii, Osamu; Yamazaki, Masaaki; Yoshida, Minoru; Fujimoto, Yasushi.

In: Optics Letters, Vol. 36, No. 10, 15.05.2011, p. 1836-1838.

Research output: Contribution to journal › Article

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10.1364/OL.36.001836