Mode locking of Nd:YAlO sub 3 at 1. 08 and 1. 34. mu. m wavelengths using a single LiIO sub 3 crystal

In this paper passive mode locking of a Nd:YAlO{sub 3} laser at 1.08 and 1.34 {mu}m using a nonlinear mirror based on second harmonic generation is described. A single 30{degree} cut frequency-doubling LiIO{sub 3} crystal is used to mode lock both transitions, demonstrating the superiority of this m...

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Veröffentlicht in:	IEEE journal of quantum electronics 1991-09, Vol.27:9
Hauptverfasser:	Stankov, K.A., Kubecek, V., Hamal, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	426002 - Engineering- Lasers & Masers- (1990-) ALKALI METAL COMPOUNDS CRYSTALS ELECTROMAGNETIC RADIATION ENGINEERING FREQUENCY MIXING HALOGEN COMPOUNDS HARMONIC GENERATION INFRARED RADIATION IODATES IODINE COMPOUNDS LASERS LITHIUM COMPOUNDS MIRRORS MODE LOCKING NEAR INFRARED RADIATION NEODYMIUM LASERS OXYGEN COMPOUNDS PULSES RADIATIONS SOLID STATE LASERS USES
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Zusammenfassung:	In this paper passive mode locking of a Nd:YAlO{sub 3} laser at 1.08 and 1.34 {mu}m using a nonlinear mirror based on second harmonic generation is described. A single 30{degree} cut frequency-doubling LiIO{sub 3} crystal is used to mode lock both transitions, demonstrating the superiority of this mode-locking technique over that using saturable absorbers. Pulses as short as 50 ps at 1.08 {mu}m and 15 ps at 1.34 {mu}m are obtained. A comparative analysis of the mode-locking performance at the two wavelength is presented, indicating that the longer pulse duration at 1.08 {mu}m is due to the higher gain and insufficient number of round-trips in the pulse train development.
ISSN:	0018-9197 1558-1713
DOI:	10.1109/3.135172