Broadening emission band of Yb:LuScO<sub>3</sub> transparent ceramics for ultrashort pulse laser

Wang, Wei; Jiang, Benxue; Feng, Tao; Fan, Jintai; Ma, Wanqiu; Guo, Wei; Li, Jiang; Zhang, Long

doi:10.1111/jace.17945

Cited by 7 publications

(2 citation statements)

References 39 publications

(46 reference statements)

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“…The resonator losses in cw MM operation were measured using the method introduced by Caird et al [13], as shown in Fig. 6.…”

Section: Resonator Lossesmentioning

confidence: 99%

First thin-disk oscillator with ceramic Yb:LuScO3 in comparison to the operation with ceramic Yb:Lu2O3

Esser,

Jing,

et al. 2024

Appl. Phys. B

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We report on the characterization and first laser operation of ceramic Yb:LuScO3 in a thin-disk oscillator. The optical performance achieved with a ceramic Yb:LuScO3 disk is compared to the one obtained with an existing ceramic Yb:Lu2O3 disk for reference. The characterization covers the measurement of the fluorescence spectra, the fluorescence lifetimes, and nomarsky imaging. The investigation on the laser operation covers the measurement of resonator losses, output powers, and thermal behavior during continuous-wave operation in a multimode thin-disk oscillator. An average output power of 149 W and a slope efficiency of 51.8% were achieved with the ceramic Yb:LuScO3 disk which reached a maximum surface temperature of about 150 °C. At the same temperature level, a disk made of the already established ceramic Yb:Lu2O3 delivered 957 W of output power with a slope efficiency of 75.7%.

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“…The resonator losses in cw MM operation were measured using the method introduced by Caird et al [13], as shown in Fig. 6.…”

Section: Resonator Lossesmentioning

confidence: 99%

First thin-disk oscillator with ceramic Yb:LuScO3 in comparison to the operation with ceramic Yb:Lu2O3

Esser,

Jing,

et al. 2024

Appl. Phys. B

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“…For the cubic-phase mixing of rare-earth sesquioxides, mixing RE 2 O 3 (RE = Lu, Y, Sc) hosts attracts wide research attention because there is no absorption from the visible to infrared wavebands. The Yb:LuScO 3 , Yb:YScO 3 , and Yb:LuYO 3 mixed single crystals show nearly two times of emission bandwidths (22–24.5 nm) in comparison to Yb 3+ -doped RE 2 O 3 (RE = Lu, Y, Sc) and are even broader than that of the ternary mixed Yb:(LuScY) 2 O 3 crystal (18 nm). ,, In addition, the following research studies in Yb 3+ -doped mixed cubic rare-earth sesquioxide transparent ceramics also show the practical spectral broadening effect caused by the disordered local crystal structure. − …”

Section: Introductionmentioning

confidence: 99%

Exploration of the Crystal Growth and Crystal-Field Effect of Yb³⁺ in Orthorhombic GdScO₃ and LaLuO₃ Crystals

Guo

Wang

et al. 2023

Crystal Growth & Design

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Yb 3+ -doped rare-earth sesquioxide crystals are a class of promising laser materials due to their high host thermal conductivity, but the insufficient emission bandwidth limits their applications in ultrafast pulsed lasers. Yb 3+ -doped orthorhombic mixed rare-earth sesquioxides show an effective spectral broadening based on the solid solution mixing strategy and indicate the development potential in ultrafast lasers. Herein, high-quality orthorhombic Yb:GdScO 3 and Yb:LaLuO 3 crystals were grown by optimizing the composition of raw oxide materials. Unlike the nearly standard stoichiometric cationic ratio in Yb:GdScO 3 , Yb:LaLuO 3 shows a La/Lu ratio below 1, suggesting the presence of anti-site Lu La defects in the host lattice. The following spectral analysis and crystal-field calculation indicate that Yb:GdScO 3 has only one kind of luminescent Yb 3+ site, while Yb:LaLuO 3 has four types of Yb 3+ centers due to the anti-site effect. Furthermore, as for the same species of Yb 3+ -doped sites, Yb:LaLuO 3 demonstrates nearly two times of inhomogeneous spectral broadening as that of Yb:GdScO 3 , which renders a more promising application value in ultrafast lasers. This study elucidates the importance of understanding the structure−activity relationship between different Yb 3+ -doped orthorhombic sesquioxides and might provide a feasible route for exploring Yb 3+ -doped ultrafast laser gain materials.

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Enhanced optical properties and laser performance of Yb:LuScO3 transparent ceramics fabricated with ZrO(NO3)2

Shen,

Sun,

Feng

et al. 2024

Ceramics International

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Broadening emission band of Yb:LuScO₃ transparent ceramics for ultrashort pulse laser

Cited by 7 publications

References 39 publications

First thin-disk oscillator with ceramic Yb:LuScO3 in comparison to the operation with ceramic Yb:Lu2O3

First thin-disk oscillator with ceramic Yb:LuScO3 in comparison to the operation with ceramic Yb:Lu2O3

Exploration of the Crystal Growth and Crystal-Field Effect of Yb³⁺ in Orthorhombic GdScO₃ and LaLuO₃ Crystals

Enhanced optical properties and laser performance of Yb:LuScO3 transparent ceramics fabricated with ZrO(NO3)2

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Broadening emission band of Yb:LuScO3 transparent ceramics for ultrashort pulse laser

Cited by 7 publications

References 39 publications

First thin-disk oscillator with ceramic Yb:LuScO3 in comparison to the operation with ceramic Yb:Lu2O3

First thin-disk oscillator with ceramic Yb:LuScO3 in comparison to the operation with ceramic Yb:Lu2O3

Exploration of the Crystal Growth and Crystal-Field Effect of Yb3+ in Orthorhombic GdScO3 and LaLuO3 Crystals

Enhanced optical properties and laser performance of Yb:LuScO3 transparent ceramics fabricated with ZrO(NO3)2

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Product

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Broadening emission band of Yb:LuScO₃ transparent ceramics for ultrashort pulse laser

Exploration of the Crystal Growth and Crystal-Field Effect of Yb³⁺ in Orthorhombic GdScO₃ and LaLuO₃ Crystals