Novel transparent ceramics for solid-state lasers

Yang, Hao; Zhang, Jian; Luo, Dewei; Lin, Hui; Shen, Deyuan; Tang, Dingyuan

doi:10.1017/hpl.2013.18

Cited by 24 publications

(11 citation statements)

References 26 publications

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“…Solid solutions having a garnet structure doped by rare‐earth ions (Re) are promising materials for use in solid‐state lasers, luminescent, and magneto‐optical devices . In particular, ytterbium‐doped YAG has tremendous potential as a gain medium for high‐power and femtosecond pulse lasers .…”

Section: Introductionmentioning

confidence: 99%

Estimation of Sc³⁺ solubility in dodecahedral and octahedral sites in YSAG:Yb

et al. 2019

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A method for synthesizing YSAG:Yb optical ceramics has been developed. Additionally, the phase composition and unit cell parameters for YSAG, YbSAG, and their solid solutions have been determined. The limits of scandium solubility in the dodecahedral and octahedral sites of garnet crystal lattice have been estimated after annealing at 1600°C. The scandium solubility limit in the dodecahedral sites of YSAG:Yb was found to be 66 ± 2 at.%. The limit of scandium solubility in octahedral sites depended upon the type of garnet-forming cations. The solubility limit for Sc 3+ decreased from 97.5 ± 0.5 to 68.5 ± 1 at.% with simultaneous increase of ytterbium content in the YSAG-YbSAG system. Therefore, the region of solid solutions existing with a garnet structure in the Al 2 O 3 -Sc 2 O 3 -Yb 2 O 3 -Y 2 O 3 system was determined. Samples having scandium in both dodecahedral and octahedral sites, which had a Sc 3+ content of~30 at.%, were synthesized as a precursor for optical ceramic production.

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Section: Introductionmentioning

confidence: 99%

Estimation of Sc³⁺ solubility in dodecahedral and octahedral sites in YSAG:Yb

et al. 2019

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“…In recent years, tremendous efforts have been paid for the investigation of near‐infrared (NIR) to visible frequency upconversion in lanthanide (Ln 3+ )‐doped transparent materials due to their wide range of applications including solid‐state lasers, lighting and display devices, solar cells, NIR quantum counting devices, components in optical telecommunications, and so on. Various transparent upconversion host materials in the form of single crystals, films, and glasses have been extensively investigated.…”

Section: Introductionmentioning

confidence: 99%

“…Various transparent upconversion host materials in the form of single crystals, films, and glasses have been extensively investigated. Recently, due to the improved fabrication technologies to produce photonic quality materials in large scales, transparent ceramic materials such as yttria and yttrium aluminum garnet (YAG) are now replacing single crystals and glasses as upconversion host material for photonic and optical applications . Compared to glasses, these ceramics have better mechanical resistance, hardness, and toughness.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, due to the improved fabrication technologies to produce photonic quality materials in large scales, transparent ceramic materials such as yttria and yttrium aluminum garnet (YAG) are now replacing single crystals and glasses as upconversion host material for photonic and optical applications. 1,11 Compared to glasses, these ceramics have better mechanical resistance, hardness, and toughness. They also offer higher thermo-chemical stability than glasses.…”

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Efficient Near Infrared to Visible and Near‐Infrared Upconversion Emissions in Transparent (Tm³⁺, Er³⁺)‐α‐Sialon Ceramics

et al. 2016

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Intense visible and near‐infrared frequency upconversion and a frequency downconversion photoluminescence have been reported for the first time in Tm3+ and Er3+ co‐doped transparent α‐Sialon ceramics under 980 nm excitation. The α‐Sialon ceramics were prepared by hot‐press sintering technique. Intense upconversion bands at 554, 678, 803 nm, and a downconversion band at 1530 nm were observed as a result of the efficient energy transfer between Er3+ and Tm3+ ions. The quadratic dependence of upconversion intensities on the excitation power indicates that the upconversion process is governed by two‐photon absorption process. The sintered samples of thickness 0.20 mm have transparency above 80% in the range of 2000 to 4200 nm and it reaches as high as 82% at 3350 nm. Moderately low phonon energy was found with the highest frequency band at 828 cm−1. These novel properties manifest the potential applications of transparent α‐Sialon ceramics as a multifunctional material.

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“…Recently, transparent ceramics have attracted a great deal of attention for use in a wide range of optical applications: high power lasers, scintillators, electro‐optic devices, and lenses . Certain polycrystalline ceramics such as Y 3 Al 5 O 12 (YAG), Y 2 O 3 , (Pb,La)(Zr,Ti)O 3 (PLZT), etc have been made transparent through progress in ceramic processing technology.…”

Section: Introductionmentioning

confidence: 99%

Crystal Structures and Optical Properties of Transparent Ceramics Based on LaAlO₃–Sr(Al,Ta)O₃ Solid Solution

et al. 2011

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We fabricated a new series of transparent ceramics based on (1-x)LaAlO 3 -xSr(Al 0.5 Ta 0.5 )O 3 solid solution. These transparent ceramics were obtained by a conventional solid-state reaction, and the crystal structure and its optical properties were investigated. The X-ray diffraction (XRD) analyses of the ceramics revealed a cubic perovskite structure with a higher Sr (Al 0.5 Ta 0.5 )O 3 content (Pm-3m for x = 0.4-0.6 and Fm-3m for x = 0.7-1.0), whereas the ceramics contained rhombohedral perovskite phase at x = 0.0-0.3. However, the Raman scattering study revealed that an Fm-3m ordered structure was contained above x = 0.2. High transmittance was obtained at the cubic composition (x = 0.4-1.0), and was particularly high at x = 0.5-0.7. It was demonstrated that these transparent ceramics had both a high refractive index and a high Abbe number (low dispersion). The Abbe number of the x = 0.5 composition, 37.8, was higher than that of Ba(Mg,Ta)O 3 system transparent ceramics (~30).

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Novel transparent ceramics for solid-state lasers

Cited by 24 publications

References 26 publications

Estimation of Sc³⁺ solubility in dodecahedral and octahedral sites in YSAG:Yb

Estimation of Sc³⁺ solubility in dodecahedral and octahedral sites in YSAG:Yb

Efficient Near Infrared to Visible and Near‐Infrared Upconversion Emissions in Transparent (Tm³⁺, Er³⁺)‐α‐Sialon Ceramics

Crystal Structures and Optical Properties of Transparent Ceramics Based on LaAlO₃–Sr(Al,Ta)O₃ Solid Solution

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Novel transparent ceramics for solid-state lasers

Cited by 24 publications

References 26 publications

Estimation of Sc3+ solubility in dodecahedral and octahedral sites in YSAG:Yb

Estimation of Sc3+ solubility in dodecahedral and octahedral sites in YSAG:Yb

Efficient Near Infrared to Visible and Near‐Infrared Upconversion Emissions in Transparent (Tm3+, Er3+)‐α‐Sialon Ceramics

Crystal Structures and Optical Properties of Transparent Ceramics Based on LaAlO3–Sr(Al,Ta)O3 Solid Solution

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Product

Resources

About

Estimation of Sc³⁺ solubility in dodecahedral and octahedral sites in YSAG:Yb

Estimation of Sc³⁺ solubility in dodecahedral and octahedral sites in YSAG:Yb

Efficient Near Infrared to Visible and Near‐Infrared Upconversion Emissions in Transparent (Tm³⁺, Er³⁺)‐α‐Sialon Ceramics

Crystal Structures and Optical Properties of Transparent Ceramics Based on LaAlO₃–Sr(Al,Ta)O₃ Solid Solution