High-average-power KTiOAsO4 optical parametric oscillator

Using noncritically phase-matched 1-cm(2) -aperture KTiOAsO(4) (KTA) crystals in an optical parametric oscillator (OPO), we have demonstrated a sustained average signal power of 33 W at 1534.7 nm. To our knowledge, this is the highest-average-power signal ever generated by an OPO. The pump source wa...

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Veröffentlicht in:	Optics letters 1998-08, Vol.23 (15), p.1161-1163
Hauptverfasser:	Webb, M S, Moulton, P F, Kasinski, J J, Burnham, R L, Loiacono, G, Stolzenberger, R
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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Zusammenfassung:	Using noncritically phase-matched 1-cm(2) -aperture KTiOAsO(4) (KTA) crystals in an optical parametric oscillator (OPO), we have demonstrated a sustained average signal power of 33 W at 1534.7 nm. To our knowledge, this is the highest-average-power signal ever generated by an OPO. The pump source was a 100-Hz Q -switched 1064-nm Nd:YAG laser. Compared with that of the similar and more-common material KTiOPO>(4) , idler absorption in KTA is negligible, allowing high-power operation with minimal thermally induced refractive distortion in the OPO crystal.
ISSN:	0146-9592
DOI:	10.1364/OL.23.001161