Abstract

Cooperative multi-ion energy transfer and two-step excitation processes have been used to achieve population inversion and laser action in erbium-doped YLiF4 and BaY2F8. Pulsed and cw experiments have been carried out to provide details of the pumping pathways and to identify systems having particularly favorable values for the upconversion transfer coefficient Examples of laser emission at wavelengths shorter than the cw pump will be described for YLiF4. Pulsed IR laser output has been demonstrated in BaY2F8,:Er, where the time dependence confirms efficient cooperative energy transfer associated with the 4I13/2 level.

© 1989 Optical Society of America

PDF Article
More Like This
Dual wavelength visible upconversion laser

R. A. McFARLANE
TUJ64 Conference on Lasers and Electro-Optics (CLEO) 1989

Laser emission at 413 and 730 nm in upconversion-pumped YLiF4:Nd3+

F. TONG, R. M. MACFARLANE, and W. LENTH
THKK4 Quantum Electronics and Laser Science Conference (QELS) 1989

Laser transitions in erbium doped fluoride fiber

M. C. BRIERLEY, C. A. MILLAR, and P. W. FRANCE
TUJ22 Conference on Lasers and Electro-Optics (CLEO) 1989

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