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981 nm Yb:KYW laser intracavity pumped at 912 nm and frequency-doubling for an emission at 490.5 nm

✍ Scribed by Y.F. Lü; X.H. Zhang; J. Xia; R. Chen; G.Y. Jin; J.G. Wang; C.L. Li; Z.Y. Ma

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
250 KB
Volume
7
Category
Article
ISSN
1612-2011

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✦ Synopsis

We present an Yb:KY(WO 4 ) 2 (Yb:KYW) laser emitting at 981 nm intracavity pumped by a 912 nm diode-pumped Nd:GdVO 4 laser. A 808 nm diode laser is used to pump the Nd:GdVO 4 crystal emitting at 912 nm, and the Yb:KYW laser emitting at 981 nm intracavity pumped at 912 nm. This configuration enabled us to indirectly diode-pump this ytterbium doped crystal, and to obtain 1.12 W output power at 981 nm for 19.6 W of incident pump power at 808 nm. Furthermore, intracavity second harmonic generation has also been demonstrated with a power of 106 mW at 490.5 nm by using a LBO nonlinear crystal.

Intensity, a.u.

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