光折变晶体Fe:KNbO3和高效自抽运相位共轭镜

Topical Meeting on Photorefractive Materials, Effects, and Devices II Pub Date : 1900-01-01 DOI:10.1364/pmed.1990.j8

D. Shen, D. Jiang, X. Tong

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引用次数: 0

摘要

铌酸钾(KNbO3)晶体不仅是一种具有强非线性光学性质的铁电晶体，而且是一种非常好的电光材料。其电光系数Γ42=380pm/v，相关介电常数ε和折射率n分别为240和2.3，因此其光折射率Q (=n3 Γ42/ε) =19.3 (pm/v)[1]是BaTiO3、SBN、BSO、LiNbO3、LiTaO3和GaAs中最大的。

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Photorefractive Crystal Fe:KNbO3 and High Efficiency Self-pumping Phase Conjugation Mirror

Potassium niobate (KNbO3) crystal is not only a ferroelectric with strong nonlinear optical properties, but also a very good electro-optical material. Its electro-optical coefficient Γ42=380pm/v, and related dielectric constant ε and refractive index n are 240 and 2.3 respectively, therefore the photorefractive figure of merit Q (=n3 Γ42/ε) =19.3 (pm/v) [1] is the largest one comparing with BaTiO3, SBN, BSO, LiNbO3, LiTaO3 and GaAs.

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$Topical Meeting on Photorefractive Materials, Effects, and Devices II$

Topical Meeting on Photorefractive Materials, Effects, and Devices II

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