High-power and highly efficient Tm3+-doped silica fiber lasers pumped with diode lasers operating at 1150 nm

Stuart D. Jackson; Frank Bugge; Götz Erbert

doi:10.1364/OL.32.002873

High-power and highly efficient Tm3+-doped silica fiber lasers pumped with diode lasers operating at 1150 nm

Stuart D. Jackson^*, Frank Bugge, Götz Erbert

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

An output power of 1.74 W at 2.03 μm. was generated at a slope efficiency of 51% when a double-clad Tm³⁺-doped silica fiber laser was pumped with high-power 1150 nm diode lasers. Pump excited state absorption from the upper laser level populates higher energy levels allowing cross relaxation to repopulate the upper laser level at a quantum efficiency greater than unity and to limit losses relating to additional pump excited state absorption. The output power was scaled to 4.77 W when both ends of the fiber were pumped.

Original language	English
Pages (from-to)	2873-2875
Number of pages	3
Journal	Optics Letters
Volume	32
Issue number	19
DOIs	https://doi.org/10.1364/OL.32.002873
Publication status	Published - 1 Oct 2007
Externally published	Yes

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title = "High-power and highly efficient Tm3+-doped silica fiber lasers pumped with diode lasers operating at 1150 nm",

abstract = "An output power of 1.74 W at 2.03 μm. was generated at a slope efficiency of 51% when a double-clad Tm3+-doped silica fiber laser was pumped with high-power 1150 nm diode lasers. Pump excited state absorption from the upper laser level populates higher energy levels allowing cross relaxation to repopulate the upper laser level at a quantum efficiency greater than unity and to limit losses relating to additional pump excited state absorption. The output power was scaled to 4.77 W when both ends of the fiber were pumped.",

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AU - Erbert, Götz

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N2 - An output power of 1.74 W at 2.03 μm. was generated at a slope efficiency of 51% when a double-clad Tm3+-doped silica fiber laser was pumped with high-power 1150 nm diode lasers. Pump excited state absorption from the upper laser level populates higher energy levels allowing cross relaxation to repopulate the upper laser level at a quantum efficiency greater than unity and to limit losses relating to additional pump excited state absorption. The output power was scaled to 4.77 W when both ends of the fiber were pumped.

AB - An output power of 1.74 W at 2.03 μm. was generated at a slope efficiency of 51% when a double-clad Tm3+-doped silica fiber laser was pumped with high-power 1150 nm diode lasers. Pump excited state absorption from the upper laser level populates higher energy levels allowing cross relaxation to repopulate the upper laser level at a quantum efficiency greater than unity and to limit losses relating to additional pump excited state absorption. The output power was scaled to 4.77 W when both ends of the fiber were pumped.

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JO - Optics Letters

JF - Optics Letters

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ER -

High-power and highly efficient Tm3+-doped silica fiber lasers pumped with diode lasers operating at 1150 nm

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