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Crystal growth, optical spectroscopy and laser action of Tm 3+-doped monoclinic magnesium tungstate

Crystal growth, optical spectroscopy and laser action of Tm 3+-doped monoclinic magnesium tungstate

Lizhen Zhang, Haifeng Lin, Ge Zhang, Xavier Mateos, Josep Maria Serres, Magdalena Aguiló, Francesc Díaz, Uwe Griebner, Valentin Petrov, Yicheng Wang, Pavel Loiko, Elena Vilejshikova, Konstantin Yumashev, etc.

Opt Express. 2017 Feb 20;25(4):3682-3693.

PMID: 28241581

Abstract:

We report on the crystal growth, spectroscopic investigation and laser performance of Tm³⁺-doped monoclinic magnesium tungstate (Tm:MgWO₄), for the first time, to the best of our knowledge. A high-quality crystal has been grown by the top seeded solution growth method. The relevant spectroscopic properties are characterized in terms of absorption, luminescence and Raman spectroscopy. Judd-Ofelt (J-O) analysis is performed to evaluate the spontaneous emission probabilities and the radiative lifetimes. The absorption, stimulated-emission and gain cross-section spectra are determined for the principal light polarizations. The first laser action in the 2 μm spectral range is demonstrated in the regime of continuous-wave operation with a maximum output power of 775 mW and a slope efficiency of 39%.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP13573110	Magnesium tungstate		13573-11-0	Price

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