Lithium Niobate /Tantalate Crystals
Mg-doped Lithium Niobate (MgO:LiNbO₃) is a promising material for next-generation photonic wavelength conversion devices. Its enhanced optical damage threshold and nonlinear conversion efficiency, along with increased Raman scattering cross-section and reduced phonon loss, make it critical for advanced photonics applications.
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LiNbO₃ (Lithium Niobate) crystals are negative uniaxial crystals with a space group of R3c (C9) and a transmission range of 400~5000 nm.
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Non-stoichiometric defects in magnesium oxide-doped stoichiometric lithium niobate (MgO:SLN) crystals, which can severely degrade optical performance and hamper the fabrication process of quasi-phase-matched (QPM) devices, have been successfully mitigated by an advanced technique. This breakthrough has enabled the development of novel crystalline material systems with enhanced structural homogeneity and optimized photonic properties for next-generation nonlinear optical applications.
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Stoichiometric lithium tantalate (s-LT) is emerging as a superior alternative to lithium niobate (LN) for integrated photonic devices, offering twice the photorefractive damage threshold at 532 nm and a broader transparency range (280–5600 nm vs. LN's 320–5200 nm). Its lower absorption edge enables UV applications, while advantages like reduced polarization switching voltage and enhanced thermal conductivity further solidify its potential in advanced optical systems.
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Kaxin Optoelectronics Technology Co., Ltd.
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