✦ LIBER ✦

Crystal growth, spectral properties, and laser demonstration of laser crystal Nd:LYSO

✍ Scribed by D.Z. Li; X.D. Xu; D.H. Zhou; S.D. Zhuang; Z.P. Wang; C.T. Xia; F. Wu; J. Xu

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 186 KB
Volume: 7
Category: Article
ISSN: 1612-2011
DOI: 10.1002/lapl.201010069

No coin nor oath required. For personal study only.

✦ Synopsis

A Nd:LYSO crystal has been grown by the Czochralski technique. The cell parameters were analyzed with X-ray diffraction (XRD). The Judd-Ofelt intense parameters Ω 2,4,6 were obtained to be 2.65, 5.75, and 7.37×10 -20 cm 2 , respectively. The absorption and emission cross sections and the branching ratios were calculated. The large absorption cross section (6.14×10 -20 cm 2 ) and broad absorption band (5 nm) around 811 nm indicate that this crystal can be pumped efficiently by laser diodes. The broad emission band from the 4 F 3/2 multiplet shows that the crystal is a promising medium for ultrashort pulse lasers. Pumped by a laser diode, the maximum 814 mW continuous-wave laser output has been obtained with a slope efficiency of 28.9%. All the results show that this crystal is a promising laser material.

Output power, mW

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