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Proceedings Paper

Thulium-doped gadolinium vanadate single crystals for efficient 2-um source of practical use
Author(s): Yoshiharu Urata; Hiroshi Machida; Mikio Higuchi; Kohei Kodaira; Satoshi Wada
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Paper 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.

Paper Details

Date Published: 21 March 2003
PDF: 10 pages
Proc. SPIE 4893, Lidar Remote Sensing for Industry and Environment Monitoring III, (21 March 2003); doi: 10.1117/12.466453
Show Author Affiliations
Yoshiharu Urata, Megaopto corp. (Japan)
Hiroshi Machida, NEC Tokin corp. (Japan)
Mikio Higuchi, Hokkaido univ. (Japan)
Kohei Kodaira, Hokkaido univ. (Japan)
Satoshi Wada, The Institute of Physical and Chemical Research (RIKEN) (Japan)

Published in SPIE Proceedings Vol. 4893:
Lidar Remote Sensing for Industry and Environment Monitoring III
Upendra N. Singh; Toshikasu Itabe; Zhishen Liu, Editor(s)

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