High-power 2D laser diode arrays for pumping solid state lasers

Hirofumi Kan; Toyoki Kanzaki; Hirofumi Miyajima; Masahiro Miyamoto; Yukihiro Itoh; Ken Matsui; Takenori Morita; Teruo Hiruma; Masanobu Yamanaka; Yasukazu Izawa; Sadao Nakai

doi:10.1117/12.311912

24 June 1998 High-power 2D laser diode arrays for pumping solid state lasers

Hirofumi Kan, Toyoki Kanzaki, Hirofumi Miyajima, Masahiro Miyamoto, Yukihiro Itoh, Ken Matsui, Takenori Morita, Teruo Hiruma, Masanobu Yamanaka, Yasukazu Izawa, Sadao Nakai

Author Affiliations +

Proceedings Volume 3264, High-Power Lasers; (1998) https://doi.org/10.1117/12.311912
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

Long life, high power and high repetition frequency 2D laser diode (LD) arrays are needed for pumping solid state lasers. The reliability of AlGaAs/GaAs high-power lasers has been studied. Over 1 X 10⁹ operation shots in 4-stack 2D LD arrays with 350 W peak output power and over 1 X 10¹³ shots in single-stripe laser diodes with 2.3 W peak output power have been obtained. 2D LD arrays of 3.5 kW (emitting area 3.2 cm x 1.0 cm), 2.5 kW (emitting area 1.0 cm x 1.0 cm) and 2.2 kW (emitting area 6.5 cm x 0.12 cm) were demonstrated under quasi continuous wave operation.

Citation Download Citation

Hirofumi Kan, Toyoki Kanzaki, Hirofumi Miyajima, Masahiro Miyamoto, Yukihiro Itoh, Ken Matsui, Takenori Morita, Teruo Hiruma, Masanobu Yamanaka, Yasukazu Izawa, and Sadao Nakai "High-power 2D laser diode arrays for pumping solid state lasers", Proc. SPIE 3264, High-Power Lasers, (24 June 1998); https://doi.org/10.1117/12.311912

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