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    • 4. 发明申请
    • SUPERCONTINUUM PULSE SOURCE WITH ENHANCED SPECTRUM
    • 超强脉冲源与增强光谱
    • US20140153888A1
    • 2014-06-05
    • US13908357
    • 2013-06-03
    • Jonathan Cave KnightDmitry Vladimirovich SkryabinJames Morgan Stone
    • Jonathan Cave KnightDmitry Vladimirovich SkryabinJames Morgan Stone
    • G02B6/02
    • H01S3/06741G02B6/02G02B6/02214G02B6/02347G02F1/365G02F2001/3528G02F2202/32H01S3/08086H01S3/094003
    • A source of optical supercontinuum radiation comprises a microstructured optical fibre and a pump laser adapted to generate lasing radiation at a pump wavelength, the microstructured optical fibre comprising a core region and a cladding region which surrounds the core region; the core of the microstructured fibre comprising a first refractive index and the cladding region comprising an effective refractive index such that the Δ-value is greater than 0.03; the fibre comprising a zero dispersion wavelength within ±200 nm of said pump wavelength; wherein the fibre can support a plurality of modes at said pump wavelength; and wherein the pump laser is adapted to launch said lasing radiation at said pump wavelength into said core region of said microstructured optical fibre to excite the fundamental mode of the fibre. In one practice, the source of optical supercontinuum radiation does not include a pump laser arranged to pump said microstructured optical fibre at a wavelength different from said pump wavelength.
    • 光学超连续谱辐射源包括微结构光纤和适于在泵浦波长处产生激光辐射的泵激光器,该微结构光纤包括芯区域和围绕芯区域的包层区域; 所述微结构纤维的核心包含第一折射率,所述包层区域包含有效折射率使得所述“D”值大于0.03; 所述光纤包括在所述泵浦波长的±200nm内的零色散波长; 其中所述光纤可以在所述泵浦波长处支持多个模式; 并且其中所述泵浦激光器适于将所述泵浦波长的所述激光辐射发射到所述微结构化光纤的所述芯区域中,以激发所述光纤的基本模式。 在一种实践中,光超连续谱辐射源不包括泵浦激光器,其布置成以不同于所述泵浦波长的波长泵浦所述微结构化光纤。