Investigation of blue emission from Raman-active crystals: Its origin and impact on laser performance

Jonas Jakutis Neto; Christopher Artlett; Andrew Lee; Jipeng Lin; David Spence; James Piper; Niklaus Ursus Wetter; Helen Pask

doi:10.1364/OME.4.000889

Investigation of blue emission from Raman-active crystals: Its origin and impact on laser performance

Jonas Jakutis Neto^*, Christopher Artlett, Andrew Lee, Jipeng Lin, David Spence, James Piper, Niklaus Ursus Wetter, Helen Pask

^*Corresponding author for this work

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

16 Citations (Scopus)

Abstract

The origin and consequences to laser performance of blue emission observed in some Raman crystals has been studied in detail, leading us to attribute the origin of the phenomenon to fluorescence from Tm³⁺(¹G₄) impurity ions which are excited via sequential upconversion. For the specific case of a Nd:YLF/KGW Raman laser, we show that the blue fluorescence has modest but significant impacts on laser performance and thermal loading. If the blue fluorescence was eliminated, then laser efficiency could be increased by 15% and thermal loading in the KGW crystal reduced by 17%.

Original language	English
Pages (from-to)	889-902
Number of pages	14
Journal	Optical Materials Express
Volume	4
Issue number	5
DOIs	https://doi.org/10.1364/OME.4.000889
Publication status	Published - 2014

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10.1364/OME.4.000889

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abstract = "The origin and consequences to laser performance of blue emission observed in some Raman crystals has been studied in detail, leading us to attribute the origin of the phenomenon to fluorescence from Tm3+(1G4) impurity ions which are excited via sequential upconversion. For the specific case of a Nd:YLF/KGW Raman laser, we show that the blue fluorescence has modest but significant impacts on laser performance and thermal loading. If the blue fluorescence was eliminated, then laser efficiency could be increased by 15\% and thermal loading in the KGW crystal reduced by 17\%.",

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T2 - Its origin and impact on laser performance

AU - Neto, Jonas Jakutis

AU - Artlett, Christopher

AU - Lee, Andrew

AU - Lin, Jipeng

AU - Spence, David

AU - Piper, James

AU - Wetter, Niklaus Ursus

AU - Pask, Helen

PY - 2014

Y1 - 2014

N2 - The origin and consequences to laser performance of blue emission observed in some Raman crystals has been studied in detail, leading us to attribute the origin of the phenomenon to fluorescence from Tm3+(1G4) impurity ions which are excited via sequential upconversion. For the specific case of a Nd:YLF/KGW Raman laser, we show that the blue fluorescence has modest but significant impacts on laser performance and thermal loading. If the blue fluorescence was eliminated, then laser efficiency could be increased by 15% and thermal loading in the KGW crystal reduced by 17%.

AB - The origin and consequences to laser performance of blue emission observed in some Raman crystals has been studied in detail, leading us to attribute the origin of the phenomenon to fluorescence from Tm3+(1G4) impurity ions which are excited via sequential upconversion. For the specific case of a Nd:YLF/KGW Raman laser, we show that the blue fluorescence has modest but significant impacts on laser performance and thermal loading. If the blue fluorescence was eliminated, then laser efficiency could be increased by 15% and thermal loading in the KGW crystal reduced by 17%.

UR - https://www.scopus.com/pages/publications/84901049233

U2 - 10.1364/OME.4.000889

DO - 10.1364/OME.4.000889

M3 - Article

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EP - 902

JO - Optical Materials Express

JF - Optical Materials Express

IS - 5

ER -

Investigation of blue emission from Raman-active crystals: Its origin and impact on laser performance

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