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Z-scan measurements of the multiphoton absorption coefficient and nonlinear refractive index of ZnTe and GaP in the near-IR

机译:ZNTE和近红外Znte和间隙的多光子吸收系数和非线性折射率的Z扫描测量

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Wavelength dependencies of the multiphoton absorption coefficient and nonlinear refractive index of undoped ZnTe and GaP crystals in the range 800-2200 nm have been measured by means of the Z-scan technique employing 50 fs laser pulses. Anisotropy of the nonlinear refractive index was observed and theoretically explained in terms of the crystal symmetry.
机译:通过采用50fs激光脉冲的Z扫描技术测量了未掺杂的ZnTe和间隙晶体的多光子吸收系数和非线性折射率的波长依赖性。观察到非线性折射率的各向异性,并且理论上就晶体对称而解释。

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