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AssigneeFujian Institute of Research On the Structure of Matter, Chinese Academy of Sciences
InventorsMingjian Zhang, Goucong Guo, Huiyi Zeng, Xiaoming Jiang, Yuhang Fan, Binwen Liu
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This disclosure provides a second harmonic generator and an optical parametric oscillator, the second harmonic generator and the optical parametric oscillator comprise one or more nonlinear optical frequency conversion crystal and a pump laser source, the nonlinear optical frequency conversion crystal is a monoclinic Ga2S3 crystal, the space group of the monoclinic Ga2S3 crystal is Cc, and the unit cell parameters are a=11.1 Å, b=6.4 Å, c=7.0 Å, α=90°, β=121°, γ=90°, and Z=4.
A second harmonic generator, comprising one or more nonlinear optical frequency conversion crystal and a pump laser source, wherein the nonlinear optical frequency conversion crystal is a monoclinic Ga2S3 crystal, the space group of the monoclinic Ga2S3 crystal is Cc, and the unit cell parameters are a=11.1 Å, b=6.4 Å, c=7.0 Å, α=90°, β=121°, γ=90°, and Z=4.
An optical parametric oscillator, comprising, in the light path, a first lens, a laser crystal, a second lens, a nonlinear optical crystal, and a third lens in this order, wherein an optical parametric oscillation chamber is formed between the second lens and the third lens, and the nonlinear optical crystal is a monoclinic Ga2S3 crystal, the space group of the monoclinic Ga2S3 crystal being Cc, and the unit cell parameters being a=11.1 Å, b=6.4 Å, c=7.0 Å, α=90°, β=121°, γ=90°, and Z=4.
Dependencies are inferred from the claim text.