Wavelength tunable Q-switch laser in visible region with Pr 3+-doped fluoride-glass fiber pumped by GaN diode laser

Junichiro Kojou, Yojiro Watanabe, Priyanka Agrawal, Toshihiro Kamimura, Fumihiko Kannari

Research output: Contribution to journal › Article

16 Citations (Scopus)

Abstract

We demonstrate pulse laser operation of a 4-cm-long Pr3+-doped fluoride-glass fiber laser pumped by InGaN laser diodes (444 nm) using an acousto-optic modulator. We obtained maximum laser peak power of 105.6 W (2.1 μJ/pulse) with a pulse width of 20 ns at an 8.3-kHz repetition rate for a 607-nm wavelength. Employing a prism tuning cavity, we obtained wavelength tunable Q-switch pulse laser oscillation in the visible region (488-491, 520-526, 601-624, 631-644 nm).

Original languageEnglish
Pages (from-to)136-140
Number of pages5
JournalOptics Communications
Volume290
DOIs
Publication statusPublished - 2013 Mar 1

Fingerprint

glass fibers
Fluorides
Glass fibers
fluorides
Semiconductor lasers
Laser pulses
switches
semiconductor lasers
Switches
Wavelength
Lasers
pulses
wavelengths
lasers
Glass lasers
glass lasers
acousto-optics
Fiber lasers
Prisms
Modulators

Keywords

  • Active Q-switching
  • Solid-state lasers
  • Tunable lasers
  • Visible lasers

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry

Cite this

Wavelength tunable Q-switch laser in visible region with Pr 3+-doped fluoride-glass fiber pumped by GaN diode laser. / Kojou, Junichiro; Watanabe, Yojiro; Agrawal, Priyanka; Kamimura, Toshihiro; Kannari, Fumihiko.

In: Optics Communications, Vol. 290, 01.03.2013, p. 136-140.

Research output: Contribution to journal › Article

Kojou, J, Watanabe, Y, Agrawal, P, Kamimura, T & Kannari, F 2013, 'Wavelength tunable Q-switch laser in visible region with Pr 3+-doped fluoride-glass fiber pumped by GaN diode laser', Optics Communications, vol. 290, pp. 136-140. https://doi.org/10.1016/j.optcom.2012.10.027
Kojou J, Watanabe Y, Agrawal P, Kamimura T, Kannari F. Wavelength tunable Q-switch laser in visible region with Pr 3+-doped fluoride-glass fiber pumped by GaN diode laser. Optics Communications. 2013 Mar 1;290:136-140. https://doi.org/10.1016/j.optcom.2012.10.027
Kojou, Junichiro ; Watanabe, Yojiro ; Agrawal, Priyanka ; Kamimura, Toshihiro ; Kannari, Fumihiko. / Wavelength tunable Q-switch laser in visible region with Pr 3+-doped fluoride-glass fiber pumped by GaN diode laser. In: Optics Communications. 2013 ; Vol. 290. pp. 136-140.
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