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All fiber low noise supercontinuum source

  • US 20040057682A1
  • Filed: 09/20/2002
  • Published: 03/25/2004
  • Est. Priority Date: 09/20/2002
  • Status: Active Grant
First Claim
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1. An optical fiber suitable for generation of a supercontinuum spectrum at an output end of the fiber when pulses of light at a certain wavelength from a light source are launched into an input end of the fiber, comprising:

  • a plurality of optical fiber sections each formed of highly non-linear fiber (HNLF) and having a zero dispersion wavelength that is within +/−

    200 nanometers (nm) of said certain wavelength, and each of the fiber sections has a different dispersion at said certain wavelength; and

    each of the fiber sections has an effective area (Aeff) of between 5 μ

    m2 and 15 μ

    m2 at said certain wavelength, a dispersion slope of between −

    0.04 ps/nm2-km and 0.04 ps/nm2-km at said certain wavelength, and a nonlinear propagation coefficient (γ

    ) of at least 5 W

    1
    km

    1
    ; and

    the fiber sections are operatively connected in series with one another from the input end of the fiber to the output end of the fiber.

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