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    • 7. 发明申请
    • FREQUENCY COMB SOURCE WITH LARGE COMB SPACING
    • 频率合成源与大型COMB间距
    • US20120133931A1
    • 2012-05-31
    • US12955759
    • 2010-11-29
    • Martin FERMANNIngmar HARTL
    • Martin FERMANNIngmar HARTL
    • G01J3/00H01S3/10H01S3/098
    • G02F1/365G01J3/10G02F2001/3528H01S3/0085H01S3/0092H01S3/0675H01S3/08054H01S3/0809H01S3/10046H01S3/105H01S3/1106H01S3/1112H01S3/1115H01S3/1118H01S3/1618
    • A frequency comb laser providing large comb spacing is disclosed. At least one embodiment includes a mode locked waveguide laser system. The mode locked waveguide laser includes a laser cavity having a waveguide, and a dispersion control unit (DCU) in the cavity. The DCU imparts an angular dispersion, group-velocity dispersion (GVD) and a spatial chirp to a beam propagating in the cavity. The DCU is capable of producing net GVD in a range from a positive value to a negative value. In some embodiments a tunable fiber frequency comb system configured as an optical frequency synthesizer is provided. In at least one embodiment a low phase noise micro-wave source may be implemented with a fiber comb laser having a comb spacing greater than about 1 GHz. The laser system is suitable for mass-producible fiber comb sources with large comb spacing and low noise. Applications include high-resolution spectroscopy.
    • 公开了一种提供较大梳形间距的频率梳状激光器。 至少一个实施例包括模式锁定波导激光系统。 模式锁定波导激光器包括具有波导的激光腔和空腔中的色散控制单元(DCU)。 DCU向在腔中传播的光束赋予角度色散,群速度色散(GVD)和空间啁啾声。 DCU能够在从正值到负值的范围内产生净GVD。 在一些实施例中,提供了被配置为光频合成器的可调光纤频率梳状系统。 在至少一个实施例中,低相位噪声微波源可以用具有大于约1GHz的梳齿间隔的光纤梳状激光器来实现。 激光系统适用于具有大梳齿间隔和低噪音的大规模生产的光纤梳状光源。 应用包括高分辨率光谱。