Thulium-doped gadolinium vanadate single crystals for efficient 2-um source of practical use

Yoshiharu Urata; Hiroshi Machida; Mikio Higuchi; Kohei Kodaira; Satoshi Wada

doi:10.1117/12.466453

21 March 2003 Thulium-doped gadolinium vanadate single crystals for efficient 2-μm source of practical use

Yoshiharu Urata, Hiroshi Machida, Mikio Higuchi, Kohei Kodaira, Satoshi Wada

Proceedings Volume 4893, Lidar Remote Sensing for Industry and Environment Monitoring III; (2003) https://doi.org/10.1117/12.466453
Event: Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2002, Hangzhou, China

Abstract

Rod-shaped thulium-doped gadolinium ortho-vanadate (Tm:GdVO4) crystals have been successfully grown by using the floating zone (FZ) method. The crystals grown showed good transparency and with no cracks and bubbles. Tm:GdVO4 exhibited a strong and wide absorption band around 800 nm. For p polarization of the 5 at.% sample, the absorption coefficient at 799 nm and the linewidth were 21.9 cm-1 and 6.3 nm, respectively. The strong and broad absorption remits the requirements for the LD specification.

Citation Download Citation

Yoshiharu Urata, Hiroshi Machida, Mikio Higuchi, Kohei Kodaira, and Satoshi Wada "Thulium-doped gadolinium vanadate single crystals for efficient 2-μm source of practical use", Proc. SPIE 4893, Lidar Remote Sensing for Industry and Environment Monitoring III, (21 March 2003); https://doi.org/10.1117/12.466453

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