NIR emission and up-conversion spectral studies of Er/Yb co-doped B2O3-Bi2O3-NaF-BaF2 glasses for optical amplifiers and laser applications

Devarajulu, G.; Babu, P.; Kshetri, Yuwaraj K.; Kim, Sang Woo; Raju, B. Deva Prasad; Kim, Moon‐Deock; Chung, Woon Jin

doi:10.1016/j.mtcomm.2023.106739

Materials Today Communications

2023

DOI: 10.1016/j.mtcomm.2023.106739

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NIR emission and up-conversion spectral studies of Er/Yb co-doped B2O3-Bi2O3-NaF-BaF2 glasses for optical amplifiers and laser applications

G. Devarajulu

P. Babu

Yuwaraj K. Kshetri

et al.

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2024

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Cited by 4 publications

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“…Bismuth borate glasses (BBG) are suitable for use in lasers, 1,2 optical fibers, 3,4 lenses, and other optical components because of their high refractive index and good optical transparency in the visible and near-infrared (NIR) emission of the electromagnetic spectrum. BBGs are also being explored for laser applications due to their high nonlinear optical properties, 5 which make them appealing for frequency conversion and amplification of laser pulses.…”

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confidence: 99%

Erbium-Ion-Doped Bismuth Borate Glasses for High Optical Gain NIR Fiber Laser Applications

Prasanth,

Ravi,

Thyagarajan

2024

ECS J. Solid State Sci. Technol.

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The study focused on investigating the thermal, structural, and luminescent properties of bismuth borate glasses doped with erbium (Er3+) ions and modified with Gd2O3, K2O, and Li2O (BBGKL: Erx) aiming for fiber lasers. Two glass transition temperatures were observed at 381 (Tg1) and 471 K (Tg2) for BBGKL glass. O1s de-convolution spectrum bridging oxygens for BBGKL glass, including B-O, Bi-O, Li2O, and K2O, were discovered by X-ray photoelectron spectroscopy. Both the photoluminescence 4I13/2→4I15/2 NIR and the absorption bands from the UV-visible-near infrared (NIR) spectrum were found to occur at 1531 nm for BBGKL: Er. Luminescence quenching was not noticed up to 3.0 mol% of Er3+ ion concentration. The BBGKL: Er0.5 glass has a remarkable connection between its absorbance and emission cross-sections of 0.77 and 0.82 x 10-20 cm2, respectively. The longest lifetime of green emission for the 4S3/2→4I15/2 transition was found for BBGKL: Er2.0 glass at 10.6 µs and 1531 nm NIR emission for the 4I13/2→4I15/2 transition of BBGKL: Er0.5 glass was 0.77 ms. In the 1413-1728 nm NIR band region for BBGKL:Er3.0, high-optical-gain cross-section G(λ) was promising for the population inversion at γ=0.6. These findings suggest that the BBGKL: Er0.5 glass would prove helpful in NIR fiber laser applications

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confidence: 99%

Erbium-Ion-Doped Bismuth Borate Glasses for High Optical Gain NIR Fiber Laser Applications

Prasanth,

Ravi,

Thyagarajan

2024

ECS J. Solid State Sci. Technol.

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CaF2–Al2O3 multicomponent borate glasses doped with MnO2: physical and spectroscopic characterization

Maalegoundla,

Chandrasekhar,

Shareefuddin

2024

Indian J Phys

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Structure, J-O analysis, and near-infrared luminescence of Er3+/Yb3+ doped SiO2–B2O3-GdF3-CaO-Bi2O3 glass

Liu,

Chen,

Leng

et al. 2024

Optical Materials

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NIR emission and up-conversion spectral studies of Er/Yb co-doped B2O3-Bi2O3-NaF-BaF2 glasses for optical amplifiers and laser applications

Cited by 4 publications

References 69 publications

Erbium-Ion-Doped Bismuth Borate Glasses for High Optical Gain NIR Fiber Laser Applications

Erbium-Ion-Doped Bismuth Borate Glasses for High Optical Gain NIR Fiber Laser Applications

CaF2–Al2O3 multicomponent borate glasses doped with MnO2: physical and spectroscopic characterization

Structure, J-O analysis, and near-infrared luminescence of Er3+/Yb3+ doped SiO2–B2O3-GdF3-CaO-Bi2O3 glass

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