IR tunable narrow-band nanosecond converter with a microchip pump source and periodically-poled Lithium Niobate

We report a compact nanosecond source based on optical parametric generation in a periodically‐poled Lithium Niobate slab pumped with a Nd3+:YAG/Cr4+:YAG microchip laser at the wavelength 1.064 μm and capable of generating a diffraction‐limited beam widely tunable through the mid‐IR. The device effi...

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Veröffentlicht in:	Laser physics letters 2008-04, Vol.5 (4), p.281-285
Hauptverfasser:	Kir'yanov, A.V., Klimentov, S.M., Powers, P.E., Mel'nikov, I.V., Korkishko, Y.N.
Format:	Artikel
Sprache:	eng
Schlagworte:	DFB laser frequency conversion microchip Nd:YAG laser optical parametric oscillation PPLN waveguide temperature tuning
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Beschreibung
Zusammenfassung:	We report a compact nanosecond source based on optical parametric generation in a periodically‐poled Lithium Niobate slab pumped with a Nd3+:YAG/Cr4+:YAG microchip laser at the wavelength 1.064 μm and capable of generating a diffraction‐limited beam widely tunable through the mid‐IR. The device efficiency is shown to reach 30% at relatively low (units of μJs) pump pulse energy and its spectrum to be narrowed down to 0.2 nm using low‐power CW seed provided by a DFB laser. (© 2008 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA)
ISSN:	1612-2011 1612-202X
DOI:	10.1002/lapl.200710126