Thulium:ZBLAN blue fiber laser pumped by two wavelengths

Thulium:ZBLAN blue fiber laser pumped by two wavelengths

We demonstrate and analyze an upconversion blue fiber laser pumped by two wavelengths. Lasing at 0.48 mum with very low pump threshold power is obtained from a Tm-doped fluorozirconate fiber that is counterpropagating pumped by 1.21- and 0.649-mum light. We employed a rate-equation analysis using pa...

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Veröffentlicht in:Applied Optics 1997-05, Vol.36 (15), p.3381-3386
Hauptverfasser: Tohmon, G, Sato, H, Ohya, J, Uno, T
Format: Artikel
Sprache:eng
Schlagworte:
ABSORPTION
CROSS SECTIONS
DESIGN
ENGINEERING NOT INCLUDED IN OTHER CATEGORIES
MILLIWATT POWER RANGE
OPTICAL FIBERS
OPTICAL PUMPING
SOLID STATE LASERS
VISIBLE SPECTRA
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Beschreibung
Zusammenfassung:We demonstrate and analyze an upconversion blue fiber laser pumped by two wavelengths. Lasing at 0.48 mum with very low pump threshold power is obtained from a Tm-doped fluorozirconate fiber that is counterpropagating pumped by 1.21- and 0.649-mum light. We employed a rate-equation analysis using parameters obtained by fitting to the experimental data to predict the 0.48-mum output characteristics as a function of fiber length and output reflectivity.
ISSN:1559-128X
0003-6935
1539-4522
DOI:10.1364/AO.36.003381