Document Detail

Thulium channel waveguide laser in a monoclinic double tungstate with 70% slope efficiency.
MedLine Citation:
PMID:  22378427     Owner:  NLM     Status:  In-Data-Review    
Laser experiments were performed on buried, ridge-type channel waveguides in an 8 at. % thulium-doped, yttrium-gadolinium-lutetium codoped monoclinic double tungstate. A maximum slope efficiency of 70% and output powers up to 300 mW about 2.0 μm were obtained in a mirrorless laser resonator, by pumping with a Ti:sapphire laser near 800 nm. To the best of our knowledge, this result represents the most efficient 2 μm channel waveguide laser to date. Lasing is obtained at various wavelengths between 1810 nm and 2037 nm.
K van Dalfsen; S Aravazhi; C Grivas; S M García-Blanco; M Pollnau
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics letters     Volume:  37     ISSN:  1539-4794     ISO Abbreviation:  Opt Lett     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-03-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7708433     Medline TA:  Opt Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  887-9     Citation Subset:  IM    
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