Abstract

In this Letter, we demonstrate the pulsed and CW operation of the Dy:PbGa2S4 laser directly pumped by the 1.7 μm laser diode. In the pulsed regime (pulse duration 5 ms; repetition rate 20 Hz), the maximum mean output power of 9.5 mW was obtained with the slope efficiency of 9.3% with respect to the absorbed pump power. The generated wavelength was 4.32 μm, and the laser beam cross section was approximately Gaussian on both axes. Stable CW laser generation was also successfully obtained with the maximum output power of 67 mW and the slope efficiency of 8%. Depopulation of the lower laser level by 1.7 μm pump radiation absorption followed by 1.3 μm upconversion fluorescence was demonstrated. These results show the possibility of construction of the compact diode-pumped solid-state pulsed or CW laser generating at 4.3 μm in the power level of tens mW operating at room temperature.

© 2013 Optical Society of America

Full Article  |  PDF Article
Related Articles
Study of luminescence concentration quenching and energy transfer upconversion in Nd-doped LaSc3(BO3)4 and GdVO4 laser crystals

V. Ostroumov, T. Jensen, J.-P. Meyn, G. Huber, and M. A. Noginov
J. Opt. Soc. Am. B 15(3) 1052-1060 (1998)

Performance of AO Q-switched Tm,Ho:GdVO4 laser pumped by a 794nm laser diode

Bao-Quan Yao, Yue-Zhu Wang, You-Lun Ju, and Wan-Jun He
Opt. Express 13(13) 5157-5162 (2005)

Laser and self-Raman-laser oscillations of PbMoO4:Nd3+ crystal under laser diode pumping

Tasoltan T. Basiev, Sergey V. Vassiliev, Maxim E. Doroshenko, Vyacheslav V. Osiko, Vyacheslav M. Puzikov, and Miron B. Kosmyna
Opt. Lett. 31(1) 65-67 (2006)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (7)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription