Diode-End-Pumped Midinfrared Multiwavelength Er:Pr:GGG Laser

We report a diode-end-pumped midinfrared multiwavelength Er:Pr:GGG laser, generating the output powers of 324 and 354 mW in CW and pulsed modes, respectively. The slope efficiencies of CW and pulsed modes are 15.18% and 16.06%, respectively. Compared with Er:GGG, the laser properties of Er:Pr:GGG ar...

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Veröffentlicht in:	IEEE photonics technology letters 2014-04, Vol.26 (7), p.667-670
Hauptverfasser:	You, Zhenyu, Wang, Yan, Xu, Jinlong, Zhu, Zhaojie, Li, Jianfu, Tu, Chaoyang
Format:	Artikel
Sprache:	eng
Schlagworte:	Crystals Ererbium laser Laser excitation Laser modes Measurement by laser beam midinfrared laser Power generation Pump lasers Semiconductor lasers {\rm Er}{:}{\rm Pr}{:}{\rm Gd}_{3}{\rm Ga}_{5}{\rm O}_{12}
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Zusammenfassung:	We report a diode-end-pumped midinfrared multiwavelength Er:Pr:GGG laser, generating the output powers of 324 and 354 mW in CW and pulsed modes, respectively. The slope efficiencies of CW and pulsed modes are 15.18% and 16.06%, respectively. Compared with Er:GGG, the laser properties of Er:Pr:GGG are much better and the self-termination bottleneck is broken successfully. The transverse beam profile and spectra of Er:Pr:GGG laser are measured and the relationship between lasing wavelengths and operating temperature in the triwavelength emission state are also studied. The Er:Pr:GGG crystal is a potential midinfrared laser gain medium in medical and military application.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2014.2302837