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    • 5. 发明授权
    • Optical wavelength converting apparatus
    • 光波长转换装置
    • US5436757A
    • 1995-07-25
    • US040201
    • 1993-04-01
    • Yoji OkazakiHiroaki HyugaAkinori Harada
    • Yoji OkazakiHiroaki HyugaAkinori Harada
    • G02B6/12G02F1/35G02F1/37G02F1/377H01S3/109
    • G02F1/3532G02F1/3775
    • An optical wavelength converting apparatus comprises a fundamental wave source, which produces a laser beam serving as a fundamental wave, and an optical wavelength converting device, which is provided with an optical waveguide constituted of a nonlinear optical material. The optical wavelength converting device converts a wavelength of the laser beam impinging upon and guided through the optical waveguide. The optical waveguide is provided with a plurality of periodic domain-inverted structures, which effect phase matching between the laser beam and wavelength-converted waves. Reflection of the fundamental wave or wavelength-converted waves from end faces of the optical wavelength converting device is thereby minimized, and a plurality of wavelength-converted waves having high intensities are obtained in a state combined with one another.
    • 光波长转换装置包括产生用作基波的激光束的基波源和设置有由非线性光学材料构成的光波导的光波长转换装置。 光波长转换装置将激光束的波长转换成穿过光波导并引导穿过光波导。 光波导设置有多个周期性域反转结构,其实现激光束和波长转换波之间的相位匹配。 从而使光波长转换装置的端面的基波或波长转换波的反射最小化,并且以彼此结合的状态获得具有高强度的多个波长转换波。